tag:blogger.com,1999:blog-82250703648914042572024-02-20T05:27:31.367-08:00CCNA v4 AnswerUnknownnoreply@blogger.comBlogger13125tag:blogger.com,1999:blog-8225070364891404257.post-3567994151998807402008-06-11T11:26:00.000-07:002008-06-11T11:38:47.373-07:00CCNA 2 Module 3 v.41. Which two statements correctly describe the concepts of administrative distance and metric? (Choose two.)<br /><span style="color:#ff0000;">Administrative distance refers to the trustworthiness of a particular route.<br /></span>A router first installs routes with higher administrative distances.<br />The value of the administarive distance can not be altered by the network administrator.<br /><span style="color:#ff0000;">Routes with the smallest metric to a destination indicate the best path.</span><br />The metric is always determined based on hop count.<br />The metric varies depending which Layer 3 protocol is being routed, such as IP or IPX.<br /><br /><br />2. Refer to the exhibit. Which statement correctly describes how R1 will determine the best path to R2?<br />R1 will install a RIP route using network A in its routing table because the administrative distance of RIP is higher than EIGRP.<br />R1 will install a RIP route using network A in its routing table because the path cost from RIP is lower than EIGRP.<br /><span style="color:#ff0000;">R1 will install an EIGRP route using network B in its routing table because the administrative distance of EIGRP is lower than RIP.</span><br />R1 will install an EIGRP route using network B in its routing table because the path cost from EIGRP is lower than RIP.<br />R1 will install an EIGRP route and a RIP route in its routing table and load balance between them.<br /><br />3. Which two statements are true regarding classless routing protocols? (Choose two.)<br /><span style="color:#ff0000;">sends subnet mask information in routing updates</span><br />sends complete routing table update to all neighbors<br />is supported by RIP version 1<br /><span style="color:#ff0000;">allows for use of both 192.168.1.0/30 and 192.168.1.16/28 subnets in the same topology</span><br />reduces the amount of address space available in an organization<br /><br />4. Which command would the network administrator issue to determine if load balancing is in effect on a router?<br />show ip protocols<br /><span style="color:#ff0000;">show ip route<br /></span>show ip interface brief<br />show ip interface<br /><br />5. Which statement is true regarding routing protocols?<br />RIP uses hop count and bandwidth as the metric for path selection and sends updates periodically.<br />OSPF is a Cisco proprietary protocol that sends updates triggered by topology changes.<br /><span style="color:#ff0000;">EIGRP uses DUAL to calculate the shortest path and can be configured to do unequal cost load balancing.<br /></span>BGP is a path vector interior routing protocol.<br /><br />6. Which two conditions would create a setting where the use of a distance-vector routing protocol would be efficient? (Choose two.)<br />the network requires a special hierarchical design<br />fast convergence of the network is crucial<br /><span style="color:#ff0000;">the network is using a hub and spoke topology<br />the network is using a flat design</span><br />there are more than 15 hops between the most distant routers<br /><br />7. What is the purpose of a routing protocol?<br />It is used to build and maintain ARP tables.<br />It provides a method for segmenting and reassembling data packets.<br />It allows an administrator to devise an addressing scheme for the network.<br /><span style="color:#ff0000;">It allows a router to share information about known networks with other routers</span>.<br />It provides a procedure for encoding and decoding data into bits for packet forwarding.<br /><br />8. Which of the following best describes the operation of distance vector routing protocols?<br />They use hop count as their only metric.<br />They only send out updates when a new network is added.<br /><span style="color:#ff0000;">They send their routing tables to directly connected neighbors.</span><br />They flood the entire network with routing updates.<br /><br /><br />9. Which of the following is associated with link-state routing protocols?<br />low processor overhead<br />poison reverse<br />routing loops<br />split horizon<br /><span style="color:#ff0000;">shortest-path first calculations</span><br /><br />10. Why is fast convergence desirable in networks that use dynamic routing protocols?<br />Routers will not allow packets to be forwarded until the network has converged.<br />Hosts are unable to access their gateway until the network has converged.<br /><span style="color:#ff0000;">Routers may make incorrect forwarding decisions until the </span><span style="color:#ff0000;">network has converged.</span><br />Routers will not allow configuration changes to be made until the network has converged.<br /><br />11. Which of the following conditions must be met in order for a network to have converged?<br />The routers in the network are operating with dynamic routing protocols.<br />The routers in the network are operating with compatible versions of IOS.<br />The routers in the network are operating with the same routing tables.<br /><span style="color:#ff0000;">The routers in the network are operating with consistent routing knowledge.<br /></span><br /><br />12. Which two statements are true regarding metrics? (Choose two.)<br />RIP uses bandwidth as a metric.<br />OSPF uses delay as a metric.<br /><span style="color:#ff0000;">EIGRP uses bandwidth as a metric.<br />OSPF uses cost based on bandwidth as a metric</span>.<br />RIP uses delay as a metric.<br />EIGRP uses hop count only as a metric.<br /><br />13. Which two statements are true regarding the advantages of the use of static routes? (Choose two).<br /><span style="color:#ff0000;">increased security</span><br />reduced effort in configuring routes<br /><span style="color:#ff0000;">the administrator maintains control over routing<br /></span>easier to implement in a growing network<br />reduces the chance of routing errors<br />increased router resource usage<br /><br />14. The following line of code is displayed in a routing table:<br />R 209.165.201.0/24 [120/2] via 192.168.252.2, 00:00:16, S0/0/0<br />What can be concluded from this output?<br />A packet destined for host 192.168.252.2 will be forwarded out the interface connected to network 209.165.201.0/24.<br /><span style="color:#ff0000;">The value, 120, is used to determine the best path when a router has more than one routing protocol configured for the same destination network.<br /></span>This route was manually configured using the ip route command.<br />192.168.252.2 is an interface on the router that produced this output.<br /><br />15. What will be the result of the following commands?<br />ORL(config)# interface fastethernet 0/0<br />ORL(config-if)# ip address 172.16.3.1 255.255.255.0<br />ORL(config-if)# no shutdown<br />The 172.16.3.0 network will be routed by any dynamic routing protocol automatically.<br /><span style="color:#ff0000;">A routing table entry is made to the 172.16.3.0 network with a code of "C".<br /></span>A static route is required to route traffic to the 172.16.3.0 network.<br />The commands will be saved to the startup-configuration automatically.<br /><br />16. An engineer creates a static route by entering the Router(config)# ip route 10.0.0.0 255.255.255.0 192.168.1.2 command. What can be concluded about this route?<br /><span style="color:#ff0000;">The administrative distance of this route is 1.<br /></span>192.168.1.2 is the address of an interface on this router.<br />This route will display as a directly connected network in the routing table.<br />Packets with a destination IP address of 192.168.1.2 will be forwarded to the 10.0.0.0/24 network first.<br /><br />17. Refer to the exhibit. Router1 and Router2 are running EIGRP. All interfaces are operational and packets can be forwarded between all networks. What information will be found in the routing table for Router1?<br />Router1 will have 6 directly connected networks.<br /><span style="color:#ff0000;">The administrative distance of the route to network 172.16.0.0 will be 90.<br /></span>The metric for routes to 172.16.0.0 will be 1.<br />The interface that is used to forward packets to 172.16.0.0 will always be the S0/1 interface.<br /><br />18. The following line of code is present in the routing table:<br />O 10.16.1.0/27 [110/129] via 192.168.1.5, 00:00:05, Serial0/0/1<br />What does the number 129 indicate in this output?<br /><span style="color:#ff0000;">The cost for this link has a value of 129.</span><br />The clock rate on this serial interface is set to 129,000.<br />The next-hop router is 129 hops away from this router.<br />This route has been updated 129 times in this routing table.<br /><br />19. A growing medium-sized manufacturing company recently began to have routing instability issues. The company uses static routes and has a mixture of over 30 Cisco and non-Cisco routers. The network administrator has decided to convert the network to dynamic routing. What characteristics of protocols should be considered in this selection process?<br />Distance vector routing protocols, such as RIP, converge more quickly than do link-state routing protocols.<br />EIGRP can be used on all of the routers in the company.<br /><span style="color:#ff0000;">OSPF can be used between the routers.<br /></span>An exterior routing protocol, such as BGP, is recommended for growing companies.<br /><br />20. Refer to the exhibit. If RIP is the routing protocol, what is the value of the metric from router A to network 192.168.5.0/24?<br /><span style="color:#ff0000;">3<br /></span>4<br />56<br />624<br />724<br /><br />21. A router learns two paths with equal metrics to a destination network via the RIP routing protocol. How will the router handle packets to the destination network?<br />The router will install the first route it learned into the routing table.<br /><span style="color:#ff0000;">The router will install both routes in the routing table and load </span><span style="color:#ff0000;">balance between the two.</span><br />The router will put the first route in the routing table, and denote the second route as a backup route.<br />The router will pick the path with the higher bandwidth and will place it in the routing table.Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-45909371606970978092008-06-11T11:20:00.000-07:002008-06-11T11:25:07.860-07:00CCNA 1 Module 11 v.41 Refer to the exhibit. What command will place the router into the correct mode to configure an appropriate interface to connect to a LAN?<br />UBAMA# configure terminal<br />UBAMA(config)# line vty 0 4<br />UBAMA(config)# line console 0<br />UBAMA(config)# interface Serial 0/0/0<br /><span style="color:#ff0000;">UBAMA(config)# interface FastEthernet 0/1<br /></span><br />2 In a Cisco router, when do changes made to the running-configuration take effect?<br />after a system restart<br />as the commands are entered<br />when logging off the system<br /><span style="color:#ff0000;">when the configuration is saved to the startup-configuration<br /></span><br />3 Refer to the exhibit. A technician applies the configuration in the exhibit to a clean router. To verify the configuration, the technician issues the show running-config command in the CLI session with the router. What lines should the technician expect to see in the router output from the show running-config command?<br />enable password class<br />line console 0<br />password ccna<br />enable secret cisco<br />enable password class<br />line console 0<br />password ccna<br />enable secret 5 $1$v0/3$QyQWmJyT7zCa/yaBRasJm0<br />enable password class<br />line console 0<br />password ccna<br />enable secret cisco<br />enable password 7 14141E0A1F17<br />line console 0<br />password 7 020507550A<br /><span style="color:#ff0000;">enable secret 5 $1$v0/3$QyQWmJyT7zCa/yaBRasJm0</span><br />enable password 7 14141E0A1F17<br />line console 0<br />password 7 020507550A<br /><br />4 When network services fail, which port is most often used to access a router for management purposes?<br />AUX<br />Ethernet<br /><span style="color:#ff0000;">Console<br /></span>Telnet<br />SSH<br /><br />5 Refer to the exhibit. A network administrator on HostA has problems accessing the FTP server. Layer three connectivity testing was successful from HostA to the S1 interface of RouterB. Which set of commands will allow the network administrator to telnet to RouterB and run debug commands?<br />RouterB(config)# enable secret class<br />RouterB(config)# line vty 0 4<br />RouterB(config-if)# login<br />RouterB(config)# enable secret class<br />RouterB(config)# line vty 0 2<br />RouterB(config-vty)# password cisco<br />RouterB(config-vty)# login<br /><span style="color:#ff0000;">RouterB(config)# enable secret class<br /></span>RouterB(config)# line vty 0<br />RouterB(config-line)# password cisco<br />RouterB(config-line)# login<br />RouterB(config)# enable secret class<br />RouterB(config)# line aux 0<br />RouterB(config-line)# password cisco<br />RouterB(config-line)# login<br />RouterB(config)# enable secret class<br />RouterB(config)# line aux 0<br />RouterB(config-vty)# password cisco<br />RouterB(config-vty)# login<br /><br />6 Users in the network are experiencing slow response time when doing file transfers to a remote server. What command could be issued to determine if the router has experienced any input or output errors?<br />show running-config<br />show startup-config<br /><span style="color:#ff0000;">show interfaces<br /></span>show ip route<br />show version<br />show memory<br /><br />7 Refer to the exhibit. Which names correctly identify the CLI mode represented by the prompt for Switch-East4#? (Choose two.)<br />line configuration mode<br />user executive mode<br /><span style="color:#ff0000;">global configuration mode</span><br />privileged executive mode<br />interface configuration mode<br /><span style="color:#ff0000;">enable mode</span><br /><br />8 What command is used to change the default router name to Fontana?<br />Router# name Fontana<br />Router# hostname Fontana<br />Router(config)# name Fontana<br /><span style="color:#ff0000;">Router(config)# hostname Fontana<br /></span><br />9 The serial connection shown in the graphic needs to be configured. Which configuration commands must be made on the Sydney router to establish connectivity with the Melbourne site? (Choose three.)<br /><span style="color:#ff0000;">Sydney(config-if)# ip address 201.100.53.2 255.255.255.0<br />Sydney(config-if)# no shutdown</span><br />Sydney(config-if)# ip address 201.100.53.1 255.255.255.224<br /><span style="color:#ff0000;">Sydney(config-if)# clock rate 56000<br /></span>Sydney(config-if)# ip host Melbourne 201.100.53.2<br /><br />10 Refer to the exhibit. The output is shown for the show ip route command executed on Router A. What does the IP address 192.168.2.2 represent?<br />Gateway for the 192.168.1.0 network<br />Gateway for the 192.168.3.0 network<br />IP assigned to the serial port on Router A<br /><span style="color:#ff0000;">IP assigned to the serial port on Router B<br /></span><br />11 Refer to the exhibit. What additional command is required to allow remote access to this switch?<br />NA-SW1(config-if)# no shutdown<br />NA-SW1(config)# enable password password<br /><span style="color:#ff0000;">NA-SW1(config)# ip default-gateway address</span><br />NA-SW1(config-if)# description description<br /><br />12 Immediately after a router completes its boot sequence, the network administrator wants to check the routers configuration. From privileged EXEC mode, which of the following commands can the administrator use for this purpose? (Choose two.)<br />show flash<br />show NVRAM<br /><span style="color:#ff0000;">show startup-config<br />show running-config</span><br />show version<br /><br />13 Which three terms correctly define the forms of help available within the Cisco IOS? (Choose three.)<br />hot keys<br /><span style="color:#ff0000;">context-check</span><br />context-sensitive<br /><span style="color:#ff0000;">structured check<br /></span>command override<br /><span style="color:#ff0000;">command syntax check</span><br /><br />14 Refer to the exhibit. A student is responsible for the IP addressing, configuration and connectivity testing of the network shown in the graphic. A ping from host B to host C results in a destination unreachable but a ping from host B to host A was successful. What two reasons could account for this failure based on the graphic and partial router output for the Dallas router? (Choose two.)<br />The host A is turned off.<br />The Fa0/0 interface on Dallas is shutdown.<br />The LAN cable is disconnected from host B.<br /><span style="color:#ff0000;">The S0/0/1 IP address of Dallas is improperly configured.<br />The Fa0/0 interface on Dallas is in a different subnet than host B.<br /></span>The clock rate is missing on the serial link between Dallas and NYC.<br /><br />15 Which combination of keys would be used at the CLI prompt to interrupt a ping or traceroute process?<br /><span style="color:#ff0000;">Ctrl-C<br /></span>Ctrl-P<br />Ctrl-R<br />Ctrl-Shift-6<br />Ctrl-Z<br /><br />16 The connection between routers B and C has been successfully tested. However, after rebooting router C, the administrator noticed the response time between networks 10.10.3.0 and 10.10.4.0 is slower. Ping between the two routers is successful. A trace route indicates three hops from router B to router C. What else can be done to troubleshoot the problem?<br />Ping router B S0/1 connection from router C.<br />Trace the connection between router B to router C S0/1.<br />Issue a show ip route command in router B to verify routing is enabled.<br /><span style="color:#ff0000;">Issue a show interfaces command on router C.<br /></span><br />17 In a Cisco device, where is the IOS file stored prior to system startup?<br />RAM<br />ROM<br /><span style="color:#ff0000;">Flash</span><br />NVRAM<br /><br />18 On a Cisco router, which interface would be used to make the initial configuration?<br />toinen<br /><br />19 A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a router to manage it. Which access method should be chosen?<br />Telnet<br />Console<br />AUX<br /><span style="color:#ff0000;">SSH</span>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-56150031446640593722008-06-11T11:16:00.000-07:002008-06-11T11:20:32.483-07:00CCNA 1 Module 10 v.41 Refer to the exhibit. A student working in the lab selects a cable that is wired as shown. Which connection types can successfully be made with this cable? (Choose two.)<br />connecting a PC to a router's console port<br /><span style="color:#ff0000;">connecting two routers together via their fast ethernet ports</span><br />connecting two switches together at gigabit speeds<br /><span style="color:#ff0000;"><span style="color:#000000;">connecting a PC to a switch at Gigabit Ethernet speeds<br /></span>connecting two devices with the same interface type at Fast Ethernet speeds</span><br /><br />2 Which three statements are true about the role of routers in the network? (Choose three.)<br />They propagate broadcasts.<br />They enlarge collision domains.<br /><span style="color:#ff0000;">They segment broadcast domains.<br />They interconnect different network technologies.<br />Each router interface requires a separate network or subnet.<br /></span>They maintain a common frame format between LAN and WAN interfaces.<br /><br />3 Refer to the exhibit. A network administrator has decided to use packet capture software to evaluate all traffic from the student subnet on the way to the Internet. To ensure that all packets are captured, what network device should be used to connect the monitoring station to the network between R1 and R2?<br />router<br /><span style="color:#ff0000;">hub<br /></span>switch<br />wireless access point<br /><br />4 A network administrator is required to use media in the network that can run up to 100 meters in cable length without using repeaters. The chosen media must be inexpensive and easily installed. The installation will be in a pre-existing building with limited cabling space. Which type of media would best meet these requirements?<br />STP<br /><span style="color:#ff0000;">UTP</span><br />coaxial<br />single-mode fiber<br />multimode fiber<br /><br />5 Refer to the exhibit. Which three statements are true about the exhibited topology? (Choose three.)<br />Hosts B and C are in the same subnet.<br /><span style="color:#ff0000;">Five broadcast domains are present.<br />Host B is using a crossover cable to connect to the router.<br /></span>Four broadcast domains are present.<br />xFive networks are shown.<br />Host B is using a rollover cable to connect to the router.<br /><br />6 Which three types of connectors are commonly associated with Cisco's V.35 serial cables? (Choose three.)<br />RJ 11<br /><span style="color:#ff0000;">DB 60<br />Winchester 15 pin</span><br />DB 9<br /><span style="color:#ff0000;">smart serial</span><br />RJ 45<br /><br />7 How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?<br />30<br />256<br /><span style="color:#ff0000;">2046</span><br />2048<br />4094<br />4096<br /><br />8 Refer to the exhibit. Based on the IP configuration shown, what would be the result of Host A and Host B attempting to communicate outside the network segment?<br />both host A and B would be successful<br /><span style="color:#ff0000;">host A would be successful, host B would fail</span><br />host B would be successful, host A would fail<br />both Host A and B would fail<br /><br />9 Refer to the exhibit. What destination IP address will PC1 place in the header for a packet destined for PC2?<br />192.168.1.1<br />192.168.2.1<br />192.168.2.2<br />192.168.3.1<br /><span style="color:#ff0000;">192.168.3.54</span><br /><br />10 Refer to the exhibit. Which three statements identify the type of cabling that would be used in the segments that are shown? (Choose three.)<br />Segment 1 uses backbone cabling.<br /><span style="color:#ff0000;">Segment 1 uses a patch cable.</span><br />Segment 3 uses patch cabling.<br />Segment 3 uses vertical cabling.<br /><span style="color:#ff0000;">Segment 3 uses horizontal cabling.<br />Segment 4 uses vertical cabling.</span><br /><br />11 A company is planning to subnet its network for a maximum of 27 hosts. Which subnet mask would provide the needed hosts and leave the fewest unused addresses in each subnet?<br />255.255.255.0<br />255.255.255.192<br /><span style="color:#ff0000;">255.255.255.224</span><br />255.255.255.240<br />255.255.255.248<br /><br />12 Refer to the exhibit. A student is setting up a home network primarily used for extensive file transfers, streaming video, and gaming. Which network device is best suited to these types of activities in the topology shown?<br />wireless access point<br />router<br />hub<br /><span style="color:#ff0000;">switch</span><br /><br />13 Refer to the exhibit. How many subnets are required to support the network that is shown?<br />2<br /><span style="color:#ff0000;">3</span><br />4<br />5<br /><br />14 What does the term "attenuation" mean in data communication?<br /><span style="color:#ff0000;">loss of signal strength as distance increases<br /></span>time for a signal to reach its destination<br />leakage of signals from one cable pair to another<br />strengthening of a signal by a networking device<br /><br />15 To establish a console connection from a computer to a Cisco router, which cable wiring option would be used?<br /><span style="color:#ff0000;">crossover cable</span><br />straight through cable<br />rollover cable<br />V.35 cable<br /><br />16 What makes fiber preferable to copper cabling for interconnecting buildings? (Choose three.)<br /><span style="color:#ff0000;">greater distances per cable run<br /></span>lower installation cost<br />xlimited susceptibility to EMI/RFI<br />durable connections<br />xgreater bandwidth potential<br />easily terminated<br /><br />17 Refer to the exhibit. A network technician has been allocated the 192.168.1.0/24 private IP address range for use in the network that shown in the exhibit. Which subnet mask would be used to meet the host requirements for segment A of this internetwork?<br /><span style="color:#ff0000;">255.255.255.128</span><br />255.255.255.192<br />255.255.255.224<br />255.255.255.240<br />255.255.255.248<br /><br />18 Which subnet mask would be assigned to the network address of 192.168.32.0 to provide 254 useable host addresses per subnetwork?<br />255.255.0.0<br /><span style="color:#ff0000;">255.255.255.0</span><br />255.255.254.0<br />255.255.248.0<br /><br />19 What type of network cable is used between a terminal and a console port?<br />cross-over<br />straight-through<br /><span style="color:#ff0000;">rollover</span><br />patch cable<br /><br />20 Which option identifies the primary interface which would be used for initial configuration of a Cisco router?<br />AUX interface<br />Ethernet interface<br />serial interface<br /><span style="color:#ff0000;">console interface</span><br /><br />21 What are three common methods for setting a UTP Ethernet port to MDI or MDIX operation? (Choose three.)<br />direct configuration of the device<br /><span style="color:#ff0000;">cable color code association</span><br />cable selection and configuration<br />use of cable testers to determine pinouts<br /><span style="color:#ff0000;">the enabling of the mechanism to electrically swap the transmit and receive pairs<br />the automatic detection and negotiating of MDI/MDIX operation of the port</span><br /><br />22 Which device is used to create or divide broadcast domains?<br />hub<br />switch<br />bridge<br /><span style="color:#ff0000;">router<br /></span>repeater<br /><br />23 Refer to the exhibit. Assume that all devices are using default settings. How many subnets are required to address the topology that is shown?<br />1<br />3<br />4<br /><span style="color:#ff0000;">5</span><br />7Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-91102855534992239282008-06-11T11:11:00.000-07:002008-06-11T11:16:00.021-07:00CCNA 1 Module 9 v.41 In the graphic, Host A has reached 50% completion in sending a 1 KB Ethernet frame to Host D when Host B wishes to transmit its own frame to Host C. What must Host B do?<br />Host B can transmit immediately since it is connected on its own cable segment.<br />Host B must wait to receive a CSMA transmission from the hub, to signal its turn.<br />Host B must send a request signal to Host A by transmitting an interframe gap.<br /><span style="color:#ff0000;">Host B must wait until it is certain that Host A has completed sending its frame.</span><br /><br />2 Ethernet operates at which layers of the OSI model? (Choose two.)<br />Network layer<br />Transport layer<br /><span style="color:#ff0000;">Physical layer</span><br />Application layer<br />Session layer<br /><span style="color:#ff0000;">Data-link layer</span><br /><br />3 Which of the following describe interframe spacing? (Choose two.)<br /><span style="color:#ff0000;">the minimum interval, measured in bit-times, that any station must wait before sending another frame<br /></span>the maximum interval, measured in bit-times, that any station must wait before sending another frame<br />the 96-bit payload padding inserted into a frame to achieve a legal frame size<br />the 96-bit frame padding transmitted between frames to achieve proper synchronization<br /><span style="color:#ff0000;">the time allowed for slow stations to process a frame and prepare for the next frame<br /></span>the maximum interval within which a station must send another frame to avoid being considered unreachable<br /><br />4 What three primary functions does data link layer encapsulation provide? (Choose three.)<br /><span style="color:#ff0000;">addressing<br />error detection<br />frame delimiting</span><br />port identification<br />path determination<br />IP address resolution<br /><br />5 When a collision occurs in a network using CSMA/CD, how do hosts with data to transmit respond after the backoff period has expired?<br /><span style="color:#ff0000;">The hosts return to a listen-before-transmit mode. <---</span><br />The hosts creating the collision have priority to send data.<br />The hosts creating the collision retransmit the last 16 frames.<br />The hosts extend their delay period to allow for rapid transmission.<br /><br />6 What are three functions of the upper data link sublayer in the OSI model? (Choose three.)<br />recognizes streams of bits<br /><span style="color:#ff0000;">identifies the network layer protocol<br />makes the connection with the upper layers</span><br />identifies the source and destination applications<br /><span style="color:#ff0000;">insulates network layer protocols from changes in physical equipment</span><br />determines the source of a transmission when multiple devices are transmitting<br /><br />7 What does the IEEE 802.2 standard represent in Ethernet technologies?<br />MAC sublayer<br />Physical layer<br /><span style="color:#ff0000;">Logical Link Control sublayer</span><br />Network layer<br /><br />8 Why do hosts on an Ethernet segment that experience a collision use a random delay before attempting to transmit a frame?<br />A random delay is used to ensure a collision-free link.<br />A random delay value for each device is assigned by the manufacturer.<br />A standard delay value could not be agreed upon among networking device vendors.<br /><span style="color:#ff0000;">A random delay helps prevent the stations from experiencing another collision during the transmission.</span><br /><br />9 Refer to the exhibit. Which option correctly matches the frame field type with the contents that frame field includes?<br />header field - preamble and stop frame<br /><span style="color:#ff0000;">data field - network layer packet</span><br />data field - physical addressing<br />trailer field - FCS and SoF<br /><br />10 Host A has an IP address of 172.16.225.93 and a mask of 255.255.248.0. Host A needs to communicate with a new host whose IP is 172.16.231.78. Host A performs the ANDing operation on the destination address. What two things will occur? (Choose two.)<br />Host A will change the destination IP to the IP of the nearest router and forward the packet.<br />Host A will broadcast an ARP request for the MAC of its default gateway.<br />A result of 172.16.225.0 will be obtained.<br /><span style="color:#ff0000;">Host A will broadcast an ARP request for the MAC of the destination host.</span><br />A result of 172.16.224.0 will be obtained.<br /><span style="color:#ff0000;">A result of 172.16.225.255 will be obtained.</span><br /><br />11 Which of the following is a drawback of the CSMA/CD access method?<br /><span style="color:#ff0000;">Collisions can decrease network performance.</span><br />It is more complex than non-deterministic protocols.<br />Deterministic media access protocols slow network performance.<br />CSMA/CD LAN technologies are only available at slower speeds than other LAN technologies.<br /><br />12 Ethernet operates at which layer of the TCP/IP network model?<br />application<br />physical<br />transport<br />internet<br />data link<br /><span style="color:#ff0000;">network access</span><br /><br />13 What is the primary purpose of ARP?<br />translate URLs to IP addresses<br /><span style="color:#ff0000;">resolve IPv4 addresses to MAC addresses<br /></span>provide dynamic IP configuration to network devices<br />convert internal private addresses to external public addresses<br /><br />14 Refer to the exhibit. The switch and workstation are administratively configured for full-duplex operation. Which statement accurately reflects the operation of this link?<br /><span style="color:#ff0000;">No collisions will occur on this link.</span><br />Only one of the devices can transmit at a time.<br />The switch will have priority for transmitting data.<br />The devices will default back to half duplex if excessive collisions occur.<br /><br />15 Refer to the exhibit. Host_A is attempting to contact Server_B. Which statements correctly describe the addressing Host_A will generate in the process? (Choose two.)<br />A packet with the destination IP of Router_B.<br />A frame with the destination MAC address of Switch_A.<br />A packet with the destination IP of Router_A.<br /><span style="color:#ff0000;">A frame with the destination MAC address of Router_A.<br />A packet with the destination IP of Server_B.</span><br />A frame with the destination MAC address of Server_B.<br /><br />16 Which statements correctly describe MAC addresses? (Choose three.)<br />dynamically assigned<br /><span style="color:#ff0000;">copied into RAM during system startup<br /></span>layer 3 address<br /><span style="color:#ff0000;">contains a 3 byte OUI<br />6 bytes long</span><br />32 bits long<br /><br />17 Which two features make switches preferable to hubs in Ethernet-based networks? (Choose two.)<br />reduction in cross-talk<br /><span style="color:#ff0000;">minimizing of collisions<br /></span>support for UTP cabling<br />division into broadcast domains<br /><span style="color:#ff0000;">increase in the throughput of communications</span><br /><br />18 What are the two most commonly used media types in Ethernet networks today? (Choose two.)<br />coaxial thicknet<br /><span style="color:#ff0000;">copper UTP<br /></span>coaxial thinnet<br /><span style="color:#ff0000;">optical fiber<br /></span>shielded twisted pair<br /><br />19 Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below.<br />85<br />90<br /><span style="color:#ff0000;">BA</span><br />A1<br />B3<br />1C<br /><br />20 After an Ethernet collision, when the backoff algorithm is invoked, which device has priority to transmit data?<br />the device involved in the collision with the lowest MAC address<br />the device involved in the collision with the lowest IP address<br /><span style="color:#ff0000;">any device in the collision domain whose backoff timer expires first</span><br />those that began transmitting at the same timeUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-55657918532669538612008-06-11T11:03:00.000-07:002008-06-11T11:11:52.793-07:00CCNA 1 Module 8 v.41 Which type of cable run is most often associated with fiber-optic cable?<br />Xbackbone cable<br />horizontal cable<br />patch cable<br />work area cable<br /><br />2 In most business LANs, which connector is used with twisted-pair networking cable?<br />BNC<br />RJ-11<br /><span style="color:#ff0000;">RJ-45</span><br />Type F<br /><br />3 When is a straight-through cable used in a network?<br />when connecting a router through the console port<br />when connecting one switch to another switch<br /><span style="color:#ff0000;">when connecting a host to a switch</span><br />when connecting a router to another router<br /><br />4 With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs?<br /><span style="color:#ff0000;">the magnetic field around the adjacent pairs of wire</span><br />the use of braided wire to shield the adjacent wire pairs<br />the reflection of the electrical wave back from the far end of the cable<br />the collision caused by two nodes trying to use the media simultaneously<br /><br />5 Which OSI layer is responsible for binary transmission, cable specification, and physical aspects of network communication?<br />Presentation<br />Transport<br />Data Link<br /><span style="color:#ff0000;">Physical</span><br /><br />6 An installed fiber run can be checked for faults, integrity, and the performance of the media by using what device?<br />light injector<br /><span style="color:#ff0000;">OTDR<br /></span>TDR<br />multimeter<br /><br />7 XYZ Company is installing new cable runs on their data network. What two types of cable would most commonly be used for new runs? (Choose two.)<br /><span style="color:#ff0000;">coax</span><br />Cat4 UTP<br />Cat5 UTP<br /><span style="color:#ff0000;">Cat6 UTP<br /></span>STP<br /><br />8 What is a possible effect of improperly applying a connector to a network cable?<br />Data will be forwarded to the wrong node.<br /><span style="color:#ff0000;">Data transmitted through that cable may experience signal loss.<br /></span>An improper signaling method will be implemented for data transmitted on that cable.<br />The encoding method for data sent on that cable will change to compensate for the improper connection.<br /><br />9 What are three measures of data transfer? (Choose three.)<br />goodput<br /><span style="color:#ff0000;">frequency</span><br />amplitude<br /><span style="color:#ff0000;">throughput<br /></span>crosstalk<br /><span style="color:#ff0000;">bandwidth<br /></span><br />10 Refer to the exhibit. Which type of Category 5 cable is used to make an Ethernet connection between Host A and Host B?<br />coax cable<br />rollover cable<br /><span style="color:#ff0000;">crossover cable</span><br />straight-through cable<br /><br />11 In LAN installations where potential electrical hazards or electromagnetic interference may be present, what type of media is recommended for backbone cabling?<br />coax<br /><span style="color:#ff0000;">fiber<br /></span>Cat5e UTP<br />Cat6 UTP<br />STP<br /><br />12 Which fiber connector supports full duplex Ethernet?<br />kolmas<br /><br />13 Which method of signal transmission uses radio waves to carry signals?<br />electrical<br />optical<br /><span style="color:#ff0000;">wireless<br /></span>acoustic<br /><br />14 Which characteristics describe fiber optic cable? (Choose two.)<br /><span style="color:#ff0000;">It is not affected by EMI or RFI.</span><br />Each pair of cables is wrapped in metallic foil.<br />It combines the technique of cancellation, shielding and twisting to protect data.<br />It has a maximum speed of 100 Mbps.<br /><span style="color:#ff0000;">It is the most expensive type of LAN cabling.<br /></span><br />15 Which of the following is a characteristic of single-mode fiber-optic cable?<br /><span style="color:#ff0000;">generally uses LEDs as the light source<br /></span>relatively larger core with multiple light paths<br />less expensive than multimode<br />generally uses lasers as the light source<br /><br />16 What is considered a benefit of wireless as a media choice?<br /><span style="color:#ff0000;">more host mobility</span><br />lower security risks<br />reduced susceptibility to interference<br />less impact of the surroundings on the effective coverage area<br /><br />17 What characteristic of UTP cable helps reduce the effects of interference?<br />the metal braiding in the shielding<br />the reflective cladding around core<br /><span style="color:#ff0000;">the twisting of the wires in the cable<br /></span>the insulating material in the outer jacket<br /><br />18 What is a primary role of the Physical layer in transmitting data on the network?<br /><span style="color:#ff0000;">create the signals that represent the bits in each frame on to the media</span><br />provide physical addressing to the devices<br />determine the path packets take through the network<br />control data access to the mediaUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-58785198803651368132008-06-11T10:56:00.000-07:002008-06-11T11:11:38.603-07:00CCNA 1 Module 7 v.41 Which options are properties of contention-based media access for a shared media? (Choose three.)<br /><span style="color:#ff0000;">non-deterministic<br />less overhead<br /></span>one station transmits at a time<br /><span style="color:#ff0000;">collisions exist</span><br />devices must wait their turn<br />token passing<br /><br />2 What is a primary purpose of encapsulating packets into frames?<br />provide routes across the internetwork<br />format the data for presentation to the user<br /><span style="color:#ff0000;">facilitate the entry and exit of data on media</span><br />identify the services to which transported data is associated<br /><br />3 Refer to the exhibit. How many unique CRC calculations will take place as traffic routes from the PC to the laptop?<br />1<br /><span style="color:#ff0000;">2</span><br />4<br />8<br /><br />4 What is true concerning physical and logical topologies?<br />The logical topology is always the same as the physical topology.<br />Physical topologies are concerned with how a network transfers frames.<br />Physical signal paths are defined by Data Link layer protocols.<br /><span style="color:#ff0000;">Logical topologies consist of virtual connections between nodes.<br /></span><br />5 Refer to the exhibit. Assuming that the network in the exhibit is converged meaning the routing tables and ARP tables are complete, which MAC address will Host A place in the destination address field of Ethernet frames destined for www.server?<br />00-1c-41-ab-c0-00<br /><span style="color:#ff0000;">00-0c-85-cf-65-c0<br /></span>00-0c-85-cf-65-c1<br />00-12-3f-32-05-af<br /><br />6 What are three characteristics of valid Ethernet Layer 2 addresses? (Choose three.)<br /><span style="color:#ff0000;">They are 48 binary bits in length.</span><br />They are considered physical addresses.<br /><span style="color:#ff0000;">They are generally represented in hexadecimal format.</span><br />They consist of four eight-bit octets of binary numbers.<br />They are used to determine the data path through the network.<br /><span style="color:#ff0000;">They must be changed when an Ethernet device is added or moved within the network.<br /></span><br />7 Refer to the exhibit. A frame is being sent from the PC to the laptop. Which source MAC and IP addresses will be included in the frame as it leaves RouterB? (Choose two.)<br />source MAC - PC<br />source MAC - S0/0 on RouterA<br /><span style="color:#ff0000;">source MAC - Fa0/1 on RouterB<br />source IP - PC</span><br />source IP - S0/0 on RouterA<br />source IP - Fa0/1 of RouterB<br /><br />8 What determines the method of media access control? (Choose two.)<br />network layer addressing<br /><span style="color:#ff0000;">media sharing</span><br />application processes<br /><span style="color:#ff0000;">logical topology</span><br />intermediary device function<br /><br />9 What is the purpose of the preamble in an Ethernet frame?<br />is used as a pad for data<br />identifies the source address<br />identifies the destination address<br />marks the end of timing information<br /><span style="color:#ff0000;">is used for timing synchronization with alternating patterns of ones and zeros</span><br /><br />10 What statements are true regarding addresses found at each layer of the OSI model? (Choose two.)<br /><span style="color:#ff0000;">Layer 2 may identify devices by a physical address burned into the network card<br /></span>Layer 2 identifies the applications that are communicating<br /><span style="color:#ff0000;">Layer 3 represents a hierarchical addressing scheme<br /></span>Layer 4 directs communication to the proper destination network<br />Layer 4 addresses are used by intermediary devices to forward data<br /><br />11 Which statements describe the logical token-passing topology? (Choose two.)<br />Network usage is on a first come, first serve basis.<br /><span style="color:#ff0000;">Computers are allowed to transmit data only when they possess a token.</span><br />Data from a host is received by all other hosts.<br /><span style="color:#ff0000;">Electronic tokens are passed sequentially to each other.</span><br />Token passing networks have problems with high collision rates.<br /><br />12 Which sublayer of the data link layer prepares a signal to be transmitted at the physical layer?<br />LLC<br /><span style="color:#ff0000;">MAC</span><br />HDLC<br />NIC<br /><br />13 What is true regarding media access control? (Choose three.)<br /><span style="color:#ff0000;">Ethernet utilizes CSMA/CD<br />defined as placement of data frames on the media</span><br />contention-based access is also known as deterministic<br />802.11 utilizes CSMA/CD<br /><span style="color:#ff0000;">Data Link layer protocols define the rules for access to different media</span><br />controlled access contains data collisions<br /><br />14 What is a characteristic of a logical point-to-point topology?<br />The nodes are physically connected.<br />The physical arrangement of the nodes is restricted.<br /><span style="color:#ff0000;">The media access control protocol can be very simple.</span><br />The data link layer protocol used over the link requires a large frame header.<br /><br />15 What two facts are true when a device is moved from one network or subnet to another? (Choose two.)<br />The Layer 2 address must be reassigned.<br />The default gateway address should not be changed.<br /><span style="color:#ff0000;">The device will still operate at the same Layer 2 address.</span><br />Applications and services will need additional port numbers assigned.<br /><span style="color:#ff0000;">The Layer 3 address must be reassigned to allow communications to the new network.</span><br /><br />16 What is a function of the data link layer?<br />provides the formatting of data<br />provides end-to-end delivery of data between hosts<br />provides delivery of data between two applications<br /><span style="color:#ff0000;">provides for the exchange data over a common local media<br /></span><br />17 Which three factors should be considered when implementing a Layer 2 protocol in a network? (Choose three.)<br /><span style="color:#ff0000;"><span style="color:#000000;">the Layer 3 protocol selected<br /></span>the geographic scope of the network</span><br />the PDU defined by the transport layer<br /><span style="color:#ff0000;">the physical layer implementation<br />the number of hosts to be interconnected<br /></span><br />18 What is the primary purpose of the trailer in a data link layer frame?<br />define the logical topology<br />provide media access control<br /><span style="color:#ff0000;">support frame error detection<br /></span>carry routing information for the frame<br /><br />19 A network administrator has been asked to provide a graphic representation of exactly where the company network wiring and equipment are located in the building. What is this type of drawing?<br />logical topology<br /><span style="color:#ff0000;">physical topology</span><br />cable path<br />wiring grid<br />access topology<br /><br />20 Refer to the exhibit. Which statement describes the media access control methods that are used by the networks in the exhibit?<br />All three networks use CSMA/CA<br />None of the networks require media access control.<br /><span style="color:#ff0000;">Network 1 uses CSMA/CD and Network 3 uses CSMA/CA.</span><br />Network 1 uses CSMA/CA and Network 2 uses CSMA/CD.<br />Network 2 uses CSMA/CA and Network 3 uses CSMA/CD.Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-11485278441029915152008-06-11T10:47:00.000-07:002008-06-11T11:11:21.931-07:00CCNA 1 Module 6 v.41 How many bits make up an IPv4 address?<br />128<br />64<br />48<br /><span style="color:#ff0000;">32<br /></span><br />2 Refer to the exhibit. A network administrator has to develop an IP addressing scheme that uses the 192.168.1.0 /24 address space. The network that contains the serial link has already been addressed out of a separate range. Each network will be allocated the same number of host addresses. Which network mask will be appropriate to address the remaining networks?<br />255.255.255.248<br />255.255.255.224<br /><span style="color:#ff0000;">255.255.255.192<br /></span>255.255.255.240<br />255.255.255.128<br />255.255.255.252<br /><br />3 Refer to the exhibit. The network administrator has assigned the internetwork of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 mask. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the workgroup server's properties to allow connectivity to the network?<br />IP address: 192.168.10.38 subnet mask: 255.255.255.240 default gateway: 192.168.10.39<br />IP address: 192.168.10.38 subnet mask: 255.255.255.240 default gateway: 192.168.10.33<br /><span style="color:#ff0000;">IP address: 192.168.10.38 subnet mask: 255.255.255.248 default gateway: 192.168.10.33 </span><br />IP address: 192.168.10.39 subnet mask: 255.255.255.248 default gateway: 192.168.10.31<br />IP address: 192.168.10.254 subnet mask: 255.255.255.0 default gateway: 192.168.10.1<br /><br />4 Refer to the exhibit. Which network prefix will work with the IP addressing scheme shown in the graphic.<br />/24<br />/16<br />/20<br /><span style="color:#ff0000;">/27 </span><br />/25<br />/28<br /><br />5 Refer to the exhibit. A network administrator discovers that host A is having trouble with Internet connectivity, but the server farm has full connectivity. In addition, host A has full connectivity to the server farm. What is a possible cause of this problem?<br />The router has an incorrect gateway.<br />Host A has an overlapping network address.<br />Host A has an incorrect default gateway configured.<br />Host A has an incorrect subnet mask.<br /><span style="color:#ff0000;">NAT is required for the host A network.<br /></span><br />6 What subnet mask would a network administrator assign to a network address of 172.30.1.0 if it were possible to have up to 254 hosts?<br />255.255.0.0<br /><span style="color:#ff0000;">255.255.255.0<br /></span>255.255.254.0<br />255.255.248.0<br /><br />7 Given the IP address and subnet mask of 172.16.134.64 255.255.255.224, which of the following would describe this address?<br />This is a useable host address.<br />This is a broadcast address.<br /><span style="color:#ff0000;">This is a network address.<br /></span>This is not a valid address.<br /><br />8 What three facts are true about the network portion of an IPv4 address? (Choose three.)<br />identifies an individual device<br />is identical for all hosts in a broadcast domain<br /><span style="color:#ff0000;">is altered as packet is forwarded<br />varies in length<br />is used to forward packets </span><br />uses flat addressing<br /><br />9 What is the network address of the host 172.25.67.99 /23 in binary?<br />10101100. 00011001.01000011.00000000<br />10101100. 00011001.01000011.11111111<br /><span style="color:#ff0000;">10101100. 00011001.01000010.00000000 </span><br />10101100. 00011001.01000010.01100011<br />10101100. 00010001.01000011. 01100010<br />10101100. 00011001.00000000.00000000<br /><br />10 A router interface has been assigned an IP address of 172.16.192.166 with a mask of 255.255.255.248. To which subnet does the IP address belong?<br />172.16.0.0<br />172.16.192.0<br />172.16.192.128<br /><span style="color:#ff0000;">172.16.192.160 </span><span style="color:#ff0000;"><br /></span>172.16.192.168<br />172.16.192.176<br /><br />11 Refer to the exhibit. Why would the response shown be displayed after issuing the command ping 127.0.0.1 on a PC?<br /><span style="color:#ff0000;">The IP settings are not properly configured on the host. </span><br />Internet Protocol is not properly installed on the host.<br />There is a problem at the physical or data link layer.<br />The default gateway device is not operating.<br />A router on the path to the destination host has gone down.<br /><br />12 What two things will happen if a router receives an ICMP packet which has a TTL value of 1 and the destination host is several hops away? (Choose two.)<br />The router will discard the packet.<br />The router will decrement the TTL value and forward the packet to the next router on the path to the destination host.<br /><span style="color:#ff0000;">The router will send a time exceeded message to the source host.<br /></span>The router will increment the TTL value and forward the packet to the next router on the path to the destination host.<br /><span style="color:#ff0000;">The router will send an ICMP Redirect Message to the source host. </span><br /><br />13 Refer to the exhibit. An administrator is designing security rules for the 192.168.22.0 /24 network. Each security rule requires an address and mask pair to represent the machines that will be affected by the rule. Which two address and mask pairs will be the most precise way to reference the servers and hosts separately. (Choose two.)<br />192.168.22.40 255.255.255.248<br />192.168.22.40 255.255.255.252<br />192.168.22.100 255.255.255.128<br /><span style="color:#ff0000;">192.168.22.100 255.255.255.254<br />192.168.22.1 255.255.255.192 </span><br />192.168.22.101 255.255.255.224<br /><br />14 Which of the following are features of IPv6? (Choose three.)<br /><span style="color:#ff0000;">larger address space </span><br />faster routing protocols<br /><span style="color:#ff0000;">data types and classes of service<br />authentication and encryption </span><br />improved host naming conventions<br />same addressing scheme as IPv4<br /><br />15 Which process do routers use to determine the subnet network address based upon a given IP address and subnet mask?<br />binary adding<br />hexadecimal anding<br />binary division<br />binary multiplication<br /><span style="color:#ff0000;">binary ANDing<br /></span><br />16 What is the primary reason for development of IPv6?<br />security<br />header format simplification<br /><span style="color:#ff0000;">expanded addressing capabilities </span><br />addressing simplification<br /><br />17 Which three IP addresses are private? (Choose three.)<br />172.168.33.1<br /><span style="color:#ff0000;">10.35.66.70<br />192.168.99.5<br />172.18.88.90 </span><br />192.33.55.89<br />172.35.16.5<br /><br />18 Which statements are true regarding IP addressing? (Choose two.)<br />NAT translates public addresses to private addresses destined for the Internet.<br />Only one company is allowed to use a specific private network address space.<br /><span style="color:#ff0000;">Private addresses are blocked from public Internet by router. </span><br />Network 172.32.0.0 is part of the private address space.<br /><span style="color:#ff0000;">IP address 127.0.0.1 can be used for a host to direct traffic to itself.<br /></span><br />19 Which IPv4 subnetted addresses represent valid host addresses? (Choose three.)<br />172.16.4.127 /26<br /><span style="color:#ff0000;">172.16.4.155 /26<br />172.16.4.193 /26 </span><br />172.16.4.95 /27<br />172.16.4.159 /27<br /><span style="color:#ff0000;">172.16.4.207 /27 </span><br /><br />20 What is a group of hosts called that have identical bit patterns in the high order bits of their addresses?<br />an internet<br /><span style="color:#ff0000;">a network </span><br />an octet<br /><span style="color:#ff0000;">a radi<br /></span><br />21 Refer to the exhibit. Host A is connected to the LAN, but it cannot get access to any resources on the Internet. The configuration of the host is shown in the exhibit. What could be the cause of the problem?<br />The host subnet mask is incorrect.<br />The default gateway is a network address.<br />The default gateway is a broadcast address.<br /><span style="color:#ff0000;">The default gateway is on a different subnet from the host. </span><br /><br />22 Which of the following network devices are recommended to be assigned static IP addresses? (Choose three.)<br />LAN workstations<br /><span style="color:#ff0000;">servers<br />network printers<br />routers </span><br />remote workstations<br />laptopsUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-9192783214390657312008-06-11T10:41:00.000-07:002008-06-11T11:10:41.714-07:00CCNA 1 Module 2 v.41. Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? (Choose two.)<br />Network<br />Transport<br /><span style="color:#ff0000;">Physical<br />Data Link<br /></span>Session<br /><br />2. What is a primary function of the trailer information added by the data link layer encapsulation?<br /><span style="color:#ff0000;">supports error detection</span><br />ensures ordered arrival of data<br />provides delivery to correct destination<br />identifies the devices on the local network<br />assists intermediary devices with processing and path selection<br /><br />3. During the encapsulation process, what occurs at the data link layer?<br />No address is added.<br />The logical address is added.<br /><span style="color:#ff0000;">The physical address is added.</span><br />The process port number is added.<br /><br />4. What device is considered an intermediary device?<br />file server<br />IP phone<br />laptop<br />printer<br /><span style="color:#ff0000;">switch<br /></span><br />5. Which layer encapsulates the segment into packets?<br />physical<br /><span style="color:#ff0000;">data link</span><br />network<br />transport<br /><br />6. Which statements correctly identify the role of intermediary devices in the network? (Choose three.)<br /><span style="color:#ff0000;">determine pathways for data<br /></span>initiate data communications<br /><span style="color:#ff0000;">retime and retransmit data signals<br /></span>originate the flow of data<br /><span style="color:#ff0000;">manage data flows</span><br />final termination point for data flow<br /><br />7. What can be identified by examining the network layer header?<br />the destination device on the local media<br /><span style="color:#ff0000;">the path to use to reach the destination host<br /></span>the bits that will be transferred over the media<br />the source application or process creating the data<br /><br />8. What is the proper order of the layers of the OSI model from the highest layer to the lowest layer?<br />physical, network, application, data link, presentation, session, transport<br />application, physical, session, transport, network, data link, presentation<br />application, presentation, physical, session, data link, transport, network<br /><span style="color:#ff0000;">application, presentation, session, transport, network, data link, physical</span><br />presentation, data link, session, transport, network, physical, application<br /><br />9. Refer to the exhibit. Which three labels correctly identify the network types for the network segments that are shown? (Choose three.)<br />Network A -- WAN<br /><span style="color:#ff0000;">Network B -- WAN<br />Network C -- LAN</span><br />Network B -- MAN<br />Network C -- WAN<br /><span style="color:#ff0000;">Network A -- LAN<br /></span><br />10. What are the key functions of encapsulation? (Choose three.)<br />allows modification of the original data before transmission<br /><span style="color:#ff0000;">identifies pieces of data as part of the same communication</span><br />enables consistent network paths for communication<br /><span style="color:#ff0000;">ensures that data pieces can be directed to the correct receiving end device<br />enables the reassembly of complete messages</span><br />tracks delay between end devices<br /><br />11. Refer to the exhibit. Which networking term describes the data interleaving process represented in the graphic?<br />piping<br />PDU<br />streaming<br />multiplexing<br /><span style="color:#ff0000;">encapsulation</span><br /><br />12. What is a PDU?<br />corruption of a frame during transmission<br />data reassembled at the destination<br />retransmitted packets due to lost communication<br /><span style="color:#ff0000;">a layer specific encapsulation<br /></span><br />13. Refer to the exhibit. "Cell A" at IP address 10.0.0.34 has established an IP session with "IP Phone 1" at IP address 172.16.1.103. Based upon the graphic, which device type best describes the function of wireless device "Cell A?"<br />the destination device<br /><span style="color:#ff0000;">an end device<br /></span>an intermediate device<br />a media device<br /><br />14. Refer to the exhibit. Which set of devices contains only end devices?<br />A, C, D<br />B, E, G, H<br />C, D, G, H, I, J<br />D, E, F, H, I, J<br /><span style="color:#ff0000;">E, F, H, I, J<br /></span><br />15. Refer to the exhibit. Which term correctly identifies the device type that is included in the green area?<br />source<br />end<br />transfer<br /><span style="color:#ff0000;">intermediary</span><br /><br />16. Which three statements best describe a Local Area Network (LAN)? (Choose three.)<br /><span style="color:#ff0000;">A LAN is usually in a single geographical area.<br />The network is administered by a single organization.<br /></span>The connection between segments in the LAN is usually through a leased connection.<br />The security and access control of the network are controlled by a service provider.<br /><span style="color:#ff0000;">A LAN provides network services and access to applications for users within a common organization.</span><br />Each end of the network is generally connected to a Telecommunication Service Provider (TSP).<br /><br />17. Refer to the exhibit. What type of network is shown?<br />WAN<br />MAN<br /><span style="color:#ff0000;">LAN<br /></span>WLAN<br /><br />18. What is the purpose of the TCP/IP Network Access layer?<br />path determination and packet switching<br /><span style="color:#ff0000;">data representation, encoding, and control<br /></span>reliability, flow control, and error detection<br />detailing the components that make up the physical link and how to access it<br />the division of segments into packets<br /><br />19. Which characteristic correctly refers to end devices in a network?<br />manage data flows<br />originate data flow<br /><span style="color:#ff0000;">retime and retransmit data signals<br /></span>determine pathways for data<br /><br />20. What is the primary purpose of Layer 4 port assignment?<br />to identify devices on the local media<br />to identify the hops between source and destination<br />to identify to the intermediary devices the best path through the network<br />to identify the source and destination end devices that are communicating<br /><span style="color:#ff0000;">to identify the processes or services that are communicating within the end devices</span><br /><br />21. Select the statements that are correct concerning network protocols. (Choose three.)<br /><span style="color:#ff0000;">define the structure of layer specific PDU's</span><br />dictate how to accomplish layer functions<br /><span style="color:#ff0000;">outline the functions necessary for communications between layers</span><br />limit hardware compatibility<br /><span style="color:#ff0000;">require layer dependent encapsulations<br /></span>eliminate standardization among vendorsUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-19913384485370984152008-06-11T10:28:00.000-07:002008-06-11T11:10:26.060-07:00CCNA 1 Module 5 v.41 In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?<br /><span style="color:#ff0000;">destination network address</span><br />source network address<br />source MAC address<br />well known port destination address<br /><br />2 What information is added during encapsulation at OSI Layer 3?<br />source and destination MAC<br />source and destination application protocol<br />source and destination port number<br /><span style="color:#ff0000;">source and destination IP address<br /></span><br />3 In a connectionless system, which of the following is correct?<br />The destination is contacted before a packet is sent.<br /><span style="color:#ff0000;">The destination is not contacted before a packet is sent.<br /></span>The destination sends an acknowledgement to the source that indicates the packet was received.<br />The destination sends an acknowledgement to the source that requests the next packet to be sent.<br /><br />4 Which IP packet field will prevent endless loops?<br />type-of-service<br />identification<br />flags<br /><span style="color:#ff0000;">time-to-live</span><br />header checksum<br /><br />5 Which portion of the network layer address does a router use to forward packets?<br />host portion<br />broadcast address<br /><span style="color:#ff0000;">network portion</span><br />gateway address<br /><br />6 Refer to the exhibit. Using the network in the exhibit, what would be the default gateway address for host A in the 192.133.219.0 network?<br />192.135.250.1<br />192.31.7.1<br />192.133.219.0<br /><span style="color:#ff0000;">192.133.219.1</span><br /><br />7 If the default gateway is configured incorrectly on the host, what is the impact on communications?<br />The host is unable to communicate on the local network.<br /><span style="color:#ff0000;">The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.<br /></span>The host can communicate with other hosts on remote networks, but is unable to communicate with hosts on the local network.<br />There is no impact on communications.<br /><br />8 What is the purpose of a default gateway?<br />physically connects a computer to a network<br />provides a permanent address to a computer<br />identifies the network to which a computer is connected<br />identifies the logical address of a networked computer and uniquely identifies it to the rest of the network<br /><span style="color:#ff0000;">identifies the device that allows local network computers to communicate with devices on other networks<br /></span><br />9 What type of routing uses information that is manually entered into the routing table?<br />dynamic<br />interior<br /><span style="color:#ff0000;">static</span><br />standard<br /><br />10 When the destination network is not listed in the routing table of a Cisco router, what are two possible actions that the router might take? (Choose two.)<br /><span style="color:#ff0000;">The router sends an ARP request to determine the required next hop address.<br /></span>The router discards the packet.<br />The router forwards the packet toward the next hop indicated in the ARP table.<br /><span style="color:#ff0000;">The router forwards the packet to the interface indicated by the source address.<br /></span>The router forwards the packet out the interface indicated by the default route entry.<br /><br />11 What are the key factors to consider when grouping hosts into a common network? (Choose three.)<br /><span style="color:#ff0000;">gateways</span><br />purpose<br />physical addressing<br />software version<br /><span style="color:#ff0000;">geographic location<br />ownership</span><br /><br />12 What is a component of a routing table entry?<br />the MAC address of the interface of the router<br />the destination Layer 4 port number<br />the destination host address<br /><span style="color:#ff0000;">the next-hop address</span><br /><br />13 Which intermediary devices could be used to implement security between networks? (Choose two.)<br /><span style="color:#ff0000;">router</span><br />hub<br />switch<br /><span style="color:#ff0000;">firewall<br /></span>access point<br />bridge<br /><br />14 What are three common problems with a large network? (Choose three.)<br />too few broadcasts<br /><span style="color:#ff0000;">performance degradation<br />security issues<br />limited management responsibility</span><br />host identification<br />protocol compatibility<br /><br />15 Refer to the exhibit. All devices shown in the exhibit have factory default settings. How many broadcast domains are represented in the topology that is shown?<br />3<br /><span style="color:#ff0000;">4</span><br />5<br />7<br />8<br />11<br /><br />16 Which three statements are true about routes and their use? (Choose three.)<br />If no route to the destination network is found, the packet is returned to the previous router.<br />If the destination network is directly connected, the router forwards the packet to the destination host.<br /><span style="color:#ff0000;">If multiple network entries exist for the destination network, the most general route is used to forward the packet.<br />If no route exists for the destination network and a default route is present, the packet is forwarded to the next-hop router.<br />If the originating host has a default gateway configured, the packet for a remote network can be forwarded using that route.</span><br />If a host does not have a route manually configured for the destination network, the host will drop the packet.<br /><br />17 Refer to the exhibit. A network administrator is troubleshooting a connectivity problem and needs to determine the address that is used to forward network packets out the network. Using the netstat -r command, the administrator would identify which address as the address to which all hosts send packets that are destined for an outside network?<br />10.10.10.26<br />127.0.0.1<br /><span style="color:#ff0000;">10.10.10.6</span><br />10.10.10.1<br />224.0.0.0<br /><br />18 Refer to the exhibit. A network administrator notices that there are too many broadcasts on the network. What two steps can the network administrator take to resolve this problem? (Choose two.)<br /><span style="color:#ff0000;">Replace S2 with a router.</span><br />Place all servers on S1.<br />Disable TCP/IP broadcasts.<br /><span style="color:#ff0000;">Subnet the 192.168.0.0 /24 network.</span><br />Disable all unused interfaces on the switches.<br /><br />19 Refer to the exhibit. The network in the exhibit is fully operational. What two statements correctly describe the routing for the topology that is shown? (Choose two.)<br /><span style="color:#ff0000;">192.168.0.2 is the next-hop address that is used by R3 to route a packet from the 10.0.0.0 network to the 172.16.0.0 network.</span><br />10.0.0.1 is the next-hop address that is used by R1 to route a packet from the 192.168.12.0 network to the 10.0.0.0 network.<br /><span style="color:#ff0000;">192.168.0.1 is the next-hop address that is used by R1 to route a packet from the 192.168.12.0 network to the 172.16.0.0 network.</span><br />172.16.0.1 is the next-hop address that is used by R3 to route a packet from the 10.0.0.0 to the 172.16.0.0 network.<br />192.168.0.1 is the next-hop address that is used by R2 to route a packet from the 172.16.0.0 network to the 192.168.12.0 network.<br />192.168.0.2 is the next-hop address that is used by R2 to route a packet from the 172.16.0.0 network to the 192.168.12.0 network.<br /><br />20 What two characteristics are commonly associated with dynamic routing protocols? (Choose two.)<br />require no device configuration<br /><span style="color:#ff0000;">provide routers with up-to-date routing tables</span><br />require less processing power than static routes require<br />consume bandwidth to exchange route information<br /><span style="color:#ff0000;">prevent manual configuration and maintenance of the routing table<br /></span><br />21 What statement describes the purpose of a default route?<br />A host uses a default route to transfer data to another host on the same network segment.<br />A host uses a default route to forward data to the local switch as the next hop to all destinations.<br />A host uses a default route to identify the Layer 2 address of an end device on the local network.<br /><span style="color:#ff0000;">A host uses a default route to transfer data to a host outside the local network when no other route to the destination exists.<br /></span>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-81799158401559400972008-06-11T02:10:00.000-07:002008-06-11T11:10:05.764-07:00CCNA 1 Module 4 v.41 Refer to the exhibit. What two pieces of information can be determined from the output that is shown? (Choose two.)<br />The local host is using well-known port numbers to identify the source ports.<br /><span style="color:#ff0000;">A termination request has been sent to 192.135.250.10.</span><br />Communication with 64.100.173.42 is using HTTP Secure.<br /><span style="color:#ff0000;">The local computer is accepting HTTP requests.</span><br />192.168.1.101:1042 is performing the three-way handshake with 128.107.229.50:80.<br /><br />2 After a web browser makes a request to a web server that is listening to the standard port, what will be the source port number in the TCP header of the response from the server?<br />13<br />53<br /><span style="color:#ff0000;">80<br /></span>1024<br />1728<br /><br />3 Which information is found in both the TCP and UDP header information?<br />sequencing<br />flow control<br /><span style="color:#ff0000;">acknowledgments</span><br />source and destination<br /><br />4 Which is an important characteristic of UDP?<br />acknowledgement of data delivery<br /><span style="color:#ff0000;">minimal delays in data delivery</span><br />high reliability of data delivery<br />same order data delivery<br /><br />5 Refer to the exhibit. Host A is using FTP to download a large file from Server 1. During the download process, Server 1 does not receive an acknowledgment from Host A for several bytes of transferred data. What action will Server 1 take as a result?<br />create a Layer 1 jam signal<br /><span style="color:#ff0000;">reach a timeout and resend the data that needs to be acknowledged</span><br />send a RESET bit to the host<br />change the window size in the Layer 4 header<br /><br />6 Refer to the exhibit. In line 7 of this Wireshark capture, what TCP operation is being performed?<br /><span style="color:#ff0000;">session establishment</span><br />segment retransmit<br />data transfer<br />session disconnect<br /><br />7 Refer to the exhibit. The initial TCP exchange of data between two hosts is shown in the exhibit. Assuming an initial sequence number of 0, what sequence number will be included in Acknowledgment 2 if Segment 6 is lost?<br />2<br />3<br />6<br /><span style="color:#ff0000;">1850</span><br />3431<br />3475<br /><br />8 Why is flow control used for TCP data transfer?<br />to synchronize equipment speed for sent data<br />to synchronize and order sequence numbers so data is sent in complete numerical order<br /><span style="color:#ff0000;">to prevent the receiver from being overwhelmed by incoming data</span><br />to synchronize window size on the server<br />to simplify data transfer to multiple hosts<br /><br />9 During a TCP communication session, if the packets arrive to the destination out of order, what will happen to the original message?<br />The packets will not be delivered.<br />The packets will be retransmitted from the source.<br /><span style="color:#ff0000;">The packets will be delivered and reassembled at the destination.<br /></span>The packets will be delivered and not reassembled at the destination.<br /><br />10 With TCP/IP data encapsulation, which range of port numbers identifies all well-known applications?<br />0 to 255<br />256 to 1022<br /><span style="color:#ff0000;">0 to 1023</span><br />1024 to 2047<br />49153 to 65535<br /><br />11 Which transport layer protocol provides low overhead and would be used for applications which do not require reliable data delivery?<br />TCP<br />IP<br /><span style="color:#ff0000;">UDP</span><br />HTTP<br />DNS<br /><br />12 What are two features of the User Datagram Protocol (UDP)? (Choose two.)<br /><span style="color:#ff0000;">flow control<br />low overhead</span><br />connectionless<br />connection-oriented<br />sequence and acknowledgements<br /><br />13 What mechanism is used by TCP to provide flow control as segments travel from source to destination?<br />sequence numbers<br />session establishment<br /><span style="color:#ff0000;">window size</span><br />acknowledgments<br /><br />14 What is dynamically selected by the source host when forwarding data?<br />destination logical address<br />source physical address<br />default gateway address<br /><span style="color:#ff0000;">source port<br /></span><br />15 Why are port numbers included in the TCP header of a segment?<br />to indicate the correct router interface that should be used to forward a segment<br />to identify which switch ports should receive or forward the segment<br />to determine which Layer 3 protocol should be used to encapsulate the data<br /><span style="color:#ff0000;">to enable a receiving host to forward the data to the appropriate application<br /></span>to allow the receiving host to assemble the packet in the proper order<br /><br />16 Which two options represent Layer 4 addressing? (Choose two.)<br />identifies the destination network<br /><span style="color:#ff0000;">identifies source and destination hosts<br /></span>identifies the communicating applications<br /><span style="color:#ff0000;">identifies multiple conversations between the hosts</span><br />identifies the devices communicating over the local media<br /><br />17 Which three features allow TCP to reliably and accurately track the transmission of data from source to destination?<br /><span style="color:#ff0000;">encapsulation<br /></span>flow control<br />connectionless services<br /><span style="color:#ff0000;">session establishment<br />numbering and sequencing</span><br />best effort delivery<br /><br />18 Which OSI model layer is responsible for regulating the flow of information from source to destination, reliably and accurately?<br />application<br />presentation<br />session<br /><span style="color:#ff0000;">transport</span><br />network<br /><br />19 Based on the transport layer header shown in the diagram, which of the following statements describe the established session? (Choose two.)<br />This is a UDP header.<br /><span style="color:#ff0000;">This contains a Telnet request.<br /></span>This contains a TFTP data transfer.<br />The return packet from this remote host will have an Acknowledgement Number of 43693.<br /><span style="color:#ff0000;">This is a TCP header.</span><br /><br />20 Which event occurs during the transport layer three-way handshake?<br />The two applications exchange data.<br />TCP initializes the sequence numbers for the sessions.<br /><span style="color:#ff0000;">UDP establishes the maximum number of bytes to be sent.</span><br />The server acknowledges the bytes of data received from the client.Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-20714617204310742542008-06-11T02:04:00.000-07:002008-06-11T11:09:15.995-07:00CCNA 1 Module 3 v.41. Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? (Choose two.)<br />Network<br />Transport<br /><span style="color:#ff0000;">Physical<br />Data Link</span><br />Session<br /><br />2. What is a primary function of the trailer information added by the data link layer encapsulation?<br /><span style="color:#ff0000;">supports error detection<br /></span>ensures ordered arrival of data<br />provides delivery to correct destination<br />identifies the devices on the local network<br />assists intermediary devices with processing and path selection<br /><br />3. During the encapsulation process, what occurs at the data link layer?<br />No address is added.<br />The logical address is added.<br /><span style="color:#ff0000;">The physical address is added.</span><br />The process port number is added.<br /><br />4. What device is considered an intermediary device?<br />file server<br />IP phone<br />laptop<br />printer<br /><span style="color:#ff0000;">switch</span><br /><br />5. Which layer encapsulates the segment into packets?<br />physical<br /><span style="color:#ff0000;">data link</span><br />network<br />transport<br /><br />6. Which statements correctly identify the role of intermediary devices in the network? (Choose three.)<br /><span style="color:#ff0000;">determine pathways for data</span><br />initiate data communications<br /><span style="color:#ff0000;">retime and retransmit data signals</span><br />originate the flow of data<br /><span style="color:#ff0000;">manage data flows</span><br />final termination point for data flow<br /><br />7. What can be identified by examining the network layer header?<br />the destination device on the local media<br /><span style="color:#ff0000;">the path to use to reach the destination host<br /></span>the bits that will be transferred over the media<br />the source application or process creating the data<br /><br />8. What is the proper order of the layers of the OSI model from the highest layer to the lowest layer?<br />physical, network, application, data link, presentation, session, transport<br />application, physical, session, transport, network, data link, presentation<br />application, presentation, physical, session, data link, transport, network<br /><span style="color:#ff0000;">application, presentation, session, transport, network, data link, physical<br /></span>presentation, data link, session, transport, network, physical, application<br /><br />9. Refer to the exhibit. Which three labels correctly identify the network types for the network segments that are shown? (Choose three.)<br />Network A -- WAN<br /><span style="color:#ff0000;">Network B -- WAN<br />Network C -- LAN</span><br />Network B -- MAN<br />Network C -- WAN<br />Network A -- LAN<br /><br />10. What are the key functions of encapsulation? (Choose three.)<br />allows modification of the original data before transmission<br /><span style="color:#ff0000;">identifies pieces of data as part of the same communication</span><br />enables consistent network paths for communication<br /><span style="color:#ff0000;">ensures that data pieces can be directed to the correct receiving end device<br />enables the reassembly of complete messages</span><br />tracks delay between end devices<br /><br />11. Refer to the exhibit. Which networking term describes the data interleaving process represented in the graphic?<br />piping<br />PDU<br />streaming<br />multiplexing<br /><span style="color:#ff0000;">encapsulation<br /></span><br />12. What is a PDU?<br />corruption of a frame during transmission<br />data reassembled at the destination<br />retransmitted packets due to lost communication<br /><span style="color:#ff0000;">a layer specific encapsulation</span><br /><br />13. Refer to the exhibit. "Cell A" at IP address 10.0.0.34 has established an IP session with "IP Phone 1" at IP address 172.16.1.103. Based upon the graphic, which device type best describes the function of wireless device "Cell A?"<br />the destination device<br /><span style="color:#ff0000;">an end device</span><br />an intermediate device<br />a media device<br /><br />14. Refer to the exhibit. Which set of devices contains only end devices?<br />A, C, D<br />B, E, G, H<br />C, D, G, H, I, J<br />D, E, F, H, I, J<br /><span style="color:#ff0000;">E, F, H, I, J</span><br /><br />15. Refer to the exhibit. Which term correctly identifies the device type that is included in the green area?<br />source<br />end<br />transfer<br /><span style="color:#ff0000;">intermediary</span><br /><br />16. Which three statements best describe a Local Area Network (LAN)? (Choose three.)<br /><span style="color:#ff0000;">A LAN is usually in a single geographical area.<br />The network is administered by a single organization.</span><br />The connection between segments in the LAN is usually through a leased connection.<br />The security and access control of the network are controlled by a service provider.<br /><span style="color:#ff0000;">A LAN provides network services and access to applications for users within a common organization. </span><br />Each end of the network is generally connected to a Telecommunication Service Provider (TSP).<br /><br />17. Refer to the exhibit. What type of network is shown?<br />WAN<br />MAN<br /><span style="color:#ff0000;">LAN</span><br />WLAN<br /><br />18. What is the purpose of the TCP/IP Network Access layer?<br />path determination and packet switching<br /><span style="color:#ff0000;">data representation, encoding, and control</span><br />reliability, flow control, and error detection<br />detailing the components that make up the physical link and how to access it<br />the division of segments into packets<br /><br />19. Which characteristic correctly refers to end devices in a network?<br />manage data flows<br />originate data flow<br /><span style="color:#ff0000;">retime and retransmit data signals</span><br />determine pathways for data<br /><br />20. What is the primary purpose of Layer 4 port assignment?<br />to identify devices on the local media<br />to identify the hops between source and destination<br />to identify to the intermediary devices the best path through the network<br />to identify the source and destination end devices that are communicating<br /><span style="color:#ff0000;">to identify the processes or services that are communicating within the end devices<br /></span><br />21. Select the statements that are correct concerning network protocols. (Choose three.)<br /><span style="color:#ff0000;">define the structure of layer specific PDU's</span><br />dictate how to accomplish layer functions<br /><span style="color:#ff0000;">outline the functions necessary for communications between layers </span><br />limit hardware compatibility<br /><span style="color:#ff0000;">require layer dependent encapsulations</span><br />eliminate standardization among vendorsUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-4989626350090416122008-06-11T01:46:00.000-07:002008-06-11T02:02:52.373-07:00CCNA 2 Module 2 v.41. Which of the following are displayed by the Router# show cdp neighbors command? (Choose three.)<br />load<br /><span style="color:#ff0000;">platform</span><br />reliability<br /><span style="color:#ff0000;">holdtime<br />local interface</span><br /><br />2. Why is it advisable to enter a next-hop IP address when creating a static route whose exit interface is an Ethernet network?<br />Adding the next-hop address eliminates the need for the router to do any lookups in the routing table before forwarding a packet.<br /><span style="color:#ff0000;">In a multi-access network, the router cannot determine the next-hop MAC address for the Ethernet frame without a next-hop address.<br /></span>Using a next-hop address in a static route provides a route with a lower metric.<br />In multi-access networks, using a next-hop address in a static route makes that route a candidate default route.<br /><br />3. The output of the Router# show interfaces serial 0/1 command displays the following:<br />Serial0/1 is up, line protocol is down.<br />What is the most likely cause for the line protocol being down?<br />Serial0/1 is shutdown.<br />There is no cable connecting the routers.<br />The remote router is using serial 0/0.<br /><span style="color:#ff0000;">No clock rate has been set.</span><br /><br />4. A static route that points to the next hop IP will have what administrative distance and metric in the routing table?<br />administrative distance of 0 and metric of 0<br />administrative distance of 0 and metric of 1<br /><span style="color:#ff0000;">administrative distance of 1 and metric of 0</span><br />administrative distance of 1 and metric of 1<br /><br />5. Refer to the exhibit. What two commands will change the next-hop address for the 10.0.0.0/8 network from 172.16.40.2 to 192.168.1.2? (Choose two.)<br />A(config)# no network 10.0.0.0 255.0.0.0 172.16.40.2<br />A(config)# no ip address 10.0.0.1 255.0.0.0 172.16.40.2<br /><span style="color:#ff0000;">A(config)# no ip route 10.0.0.0 255.0.0.0 172.16.40.2</span><br />A(config)# ip route 10.0.0.0 255.0.0.0 s0/0/0<br /><span style="color:#ff0000;">A(config)# ip route 10.0.0.0 255.0.0.0 192.168.1.2<br /></span><br />6. Refer to the exhibit. A company network engineer is assigned to establish connectivity between the two Ethernet networks so that hosts on the 10.1.1.0/24 subnet can contact hosts on the 10.1.2.0/24 subnet. The engineer has been told to use only static routing for these company routers. Which set of commands will establish connectivity between the two Ethernet networks?<br />R1(config)# ip route 10.1.2.0 255.255.255.0 192.168.0.1R2(config)# ip route 10.1.1.0 255.255.255.0 192.168.0.2<br />R1(config)# ip route 10.1.2.0 255.255.255.0 192.168.0.2R2(config)# ip route 10.1.1.0 255.255.255.0 192.168.0.1<br /><span style="color:#ff0000;">R1(config)# ip route 10.1.1.0 255.255.255.0 192.168.0.2R2(config)# ip route 10.1.2.0 255.255.255.0 192.168.0.1<br /></span>R1(config)# ip route 10.1.1.0 255.255.255.0 192.168.0.1R2(config)# ip route 10.1.2.0 255.255.255.0 192.168.0.2<br />R1(config)# ip route 0.0.0.0 0.0.0.0 10.1.2.1R2(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.1<br /><br />7. Refer to the exhibit. Which static route should be configured on Router1 so that host A will be able to reach host B on the 172.16.0.0 network?<br />ip route 192.168.0.0 172.16.0.0 255.255.0.0<br />ip route 172.16.0.0 255.255.0.0 192.168.0.1<br />ip route 172.16.0.0 255.255.0.0 S0/0/1<br /><span style="color:#ff0000;">ip route 172.16.0.0 255.255.0.0 S0/0/0</span><br /><br />8. What address can be used to summarize networks 172.16.1.0/24, 172.16.2.0/24, 172.16.3.0/24, and 172.16.4.0/24?<br /><span style="color:#ff0000;">172.16.0.0/21</span><br />172.16.1.0/22<br />172.16.0.0 255.255.255.248<br />172.16.0.0 255.255.252.0<br /><br />9. Refer to the exhibit. What is the significance of the /8 in the route to the 10.0.0.0 network?<br />It indicates that there are 8 hops between this router and the 10.0.0.0 network.<br />It represents the time, in milliseconds, it takes for a ping to reply when sent to the 10.0.0.0 network.<br />It indicates that there are 8 subnets in the destination network to which the router can forward packets.<br /><span style="color:#ff0000;">It indicates the number of consecutive bits, from the left, in the destination IP address of a packet that must match 10.0.0.0 to use that route.</span><br /><br />10. What two devices are responsible for converting the data from the WAN service provider into a form acceptable by the router? (Choose two).<br />the serial port of the router<br /><span style="color:#ff0000;">a modem</span><br />a switch the ethernet port of the router<br /><span style="color:#ff0000;">a CSU/DSU device</span><br />a DTE device<br /><br />11. A network administrator enters the following command into Router1: ip route 192.168.0.0 255.255.255.0 S0/1/0. Router1 then receives a packet that is destined for 192.168.0.22/24. After finding the recently configured static route in the routing table, what does Router1 do next to process the packet?<br />drops the packet because the destination host is not listed in the routing table<br />looks up the MAC address of the S0/1/0 interface to determine the destination MAC address of the new frame<br />performs a recursive lookup for the IP address of the S0/1/0 interface before forwarding the packet<br /><span style="color:#ff0000;">encapsulates the packet into a frame for the WAN link and forwards the packet out the S0/1/0 interface<br /></span><br />12. Which piece of information is available from examining the output of the command show ip interface brief?<br />Interface speed and duplex<br />Interface MTU<br />Errors<br />Interface MAC address<br /><span style="color:#ff0000;">Interface IP address</span><br /><br />13. Which of the following is true regarding CDP and the graphic shown?<br />CDP running on Router D will gather information about routers A, B, C, and E.<br /><span style="color:#ff0000;">By default, Router A will receive CDP advertisements from routers B and C.<br /></span><span style="color:#000000;">If routers D and E are running different routing protocols, they will not exchange CDP information.</span><br />Router E can use CDP to identify the IOS running on Router B.<br /><br />14. Which two statements describe functions or characteristics of CDP? (Choose two.)<br /><span style="color:#ff0000;">It starts up automatically and allows the device to detect directly connected neighbor devices that use CDP.</span><br />It operates at the network layer and allows two systems to learn about each other.<br />It creates a topology map of the entire network.<br /><span style="color:#ff0000;">It allows systems to learn about each other even if different network layer protocols are configured.</span><br />It forwards advertisements about routes for faster convergence.<br /><br />15. Hosts on two separate subnets cannot communicate. The network administrator suspects a missing route in one of the routing tables. Which three commands can be used to help troubleshoot Layer 3 connectivity issues? (Choose three.)<br /><span style="color:#ff0000;">ping</span><br />show arp<br /><span style="color:#ff0000;">traceroute<br />show ip route</span><br />show interface<br />show cdp neighbor detail<br /><br />16. What happens to a static route entry in a routing table when the outgoing interface is not available?<br /><span style="color:#ff0000;">The route is removed from the table.<br /></span>The router polls neighbors for a replacement route.<br />The route remains in the table because it was defined as static.<br />The router redirects the static route to compensate for the loss of the next hop device.<br /><br />17. The routers in the diagram use the subnet assignments shown. What is the most efficient route summary that can be configured on Router3 to advertise the internal networks to the cloud?<br />192.1.1.0/26 and 192.1.1.64/27<br />192.1.1.128/25<br />192.1.1.0/23 and 192.1.1.64/23<br />192.1.1.0/24<br /><span style="color:#ff0000;">192.1.1.0/25</span><br />192.1.1.0/24 and 192.1.1.64/24<br /><br />18. Refer to the exhibit. How will packets destined to the 172.16.0.0 network be forwarded?<br /><span style="color:#ff0000;">Router1 will perform recursive lookup and packet will exit S0/0.<br /></span>Router1 will perform recursive lookup and packet will exit S0/1.<br />There is no matching interface associated with network 172.16.0.0 so packets will be dropped.<br />There is no matching interface associated with network 172.16.0.0 so packets will take gateway of last resort and exit out S0/2.<br /><br />19. A router has one static route to each destination network. Which two scenarios would require an administrator to alter the static routes that are configured on that router? (Choose two.)<br /><span style="color:#ff0000;">The destination network no longer exists</span>.<br />The destination network is moved to a different interface on the same router.<br />The path between the source and destination is upgraded with a higher bandwidth link.<br /><span style="color:#ff0000;">A topology change occurs where the existing next-hop address or exit interface is not accessible.</span><br />The remote destination network interface has to be down for 15 minutes of maintenance.<br /><br />20. Refer to the exhibit. Given the output in the exhibit, how would a clock rate be determined for this link?<br />The rate would be negotiated by both routers.<br />A rate would not be selected due to the DCE/DTE connection mismatch.<br />The rate configured on the DTE determines the clock rate.<br /><span style="color:#ff0000;">The rate configured on the DCE determines the clock rate.<br /></span><br />21. Refer to the exhibit. Which set of commands will configure static routes that will allow the WinterPark and the Altamonte routers to deliver packets from each LAN and direct all other traffic to the Internet?<br /><span style="color:#ff0000;">*WinterPark(config)# ip route 0.0.0.0 0.0.0.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2Altamonte(config)# ip route 0.0.0.0 0.0.0.0 s0/1<br />WinterPark(config)# ip route 0.0.0.0 0.0.0.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2Altamonte(config)# ip route 198.18.222.0 255.255.255.255 s0/1<br /></span>WinterPark(config)# ip route 172.191.67.0 255.255.255.0 192.168.146.1<br />WinterPark(config)# ip route 0.0.0.0 0.0.0.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2<br />WinterPark(config)# ip route 172.191.67.0 255.255.255.0 192.168.146.1Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2Altamonte(config)# ip route 0.0.0.0 0.0.0.0 s0/0<br /><br />22. Refer to the exhibit. What two commands are required to provide connectivity between the 192.168.1.0 and 10.0.0.0 networks without requiring recursive lookup? (Choose two.)<br /><span style="color:#ff0000;">*A(config)# ip route 10.0.0.0 255.0.0.0 s 0/1/0<br /></span>A(config)# ip route 10.0.0.0 255.0.0.0 172.16.40.2<br />A (config)# ip route 10.0.0.0 255.0.0.0 s 0/0/0<br /><span style="color:#ff0000;">*B(config)# ip route 192.168.1.0 255.255.255.0 s 0/0/0</span><br />B (config)# ip route 192.168.1.0 255.255.255.0 172.16.40.1<br />B(config)# ip route 192.168.1.0 255.255.255.0 s 0/1/0Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-8225070364891404257.post-6807391043536833372008-06-09T12:49:00.000-07:002008-06-09T13:00:10.884-07:00CCNA 2 Module 1 v.41. If a router cannot find a valid configuration file during the startup sequence, what will occur?<br />The startup sequence will reset.<br /><strong><span style="color:#ff0000;">The router will prompt the user for a response to enter setup mode.</span></strong><br />The startup sequence will halt until a valid configuration file is acquired.<br />The router will generate a default configuration file based on the last valid configuration.<br />The router will monitor local traffic to determine routing protocol configuration requirements.<br /><br />2. Refer to the exhibit. The network administrator has configured the router with the interface IP addresses shown for the directly connected networks. Pings from the router to hosts on the connected networks or pings between router interfaces are not working. What is the most likely problem?<br />The destination networks do not exist.<br />The IP addresses on the router interfaces must be configured as network addresses and not host addresses.<br /><span style="color:#ff0000;"><strong>The interfaces must be enabled with the no shutdown command. </strong><br /></span>Each interface must be configured with the clock rate command.<br /><br />3. Refer to the exhibit. What can be concluded from the routing table output in the exhibit? (Choose two.)<br />This router only has two interfaces.<br />The router interfaces are not operational yet.<br />This router is configured to forward packets to remote networks.<br /><span style="color:#ff0000;"><strong>The FastEthernet0/0 and Serial0/0/0 interfaces of this router were configured with an IP address and the no shutdown command.</strong><br /></span><strong><span style="color:#ff0000;">An IP packet received by this router with a destination address of 198.18.9.1 will be forwarded out of the Serial0/0/0 interface.<br /></span></strong><br />4. Refer to the exhibit. The frame shown in the exhibit was received by the router. The router interfaces are operational. How will the router process this frame? (Choose two.)<br />The router will change the source and destination IP address in the packet before forwarding the frame.<br /><span style="color:#ff0000;"><strong>The router will change the frame type to one supported by the WAN link before forwarding the frame. </strong><br /></span>The router will use the destination MAC address to determine which interface to forward the packet.<br />The router will look up the MAC address of the S0/0/0 interface in the ARP table and add it to the frame before forwarding.<br /><strong><span style="color:#ff0000;">The frame was received on the Fa0/0 interface of the router and will be switched to the S0/0/0 interface.</span> </strong><br />The frame was received on the S0/0/0 interface of the router and will be switched to the Fa0/0 interface.<br /><br />5. Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)<br /><span style="color:#ff0000;"><strong>VTY interface </strong><br /></span><strong><span style="color:#ff0000;">console interface</span> </strong><br />Ethernet interface<br />secret EXEC mode<br /><strong><span style="color:#ff0000;">privileged EXEC mode</span> </strong><br />router configuration mode<br /><br />6. Which two statements correctly describe the components of a router? (Choose two.)<br />RAM permanently stores the configuration file used during the boot sequence.<br /><strong><span style="color:#ff0000;">ROM contains diagnostics executed on hardware modules.</span> </strong><br />NVRAM stores a backup copy of the IOS used during the boot sequence.<br /><strong><span style="color:#ff0000;">Flash memory does not lose its contents during a reboot.</span> </strong><br />ROM contains the most current and most complete version of the IOS.<br />Flash contains boot system commands to identify the location of the IOS.<br /><br /></span><p><span style="font-family:times new roman;">7. Refer to the exhibit. After host 2 is connected to the switch on the LAN, host 2 is unable to communicate with host 1. What is the cause of this problem?<br />The subnet mask of host 2 is incorrect.<br /><strong><span style="color:#ff0000;">Host 1 and host 2 are on different networks.</span></strong><br />The switch needs an IP address that is not configured.<br />The router LAN interface and host 1 are on different networks.<br />The IP address of host 1 is on a different network than is the LAN interface of the router.<br /><br />8. Which are functions of a router? (Choose three.)<br /><strong><span style="color:#ff0000;">packet switching</span></strong><br />extension of network segments<br /></span><span style="font-family:times new roman;"><strong><span style="color:#ff0000;">segmentation of broadcast domains<br />selection of best path based on logical addressing</span></strong><br />selection of best path based on physical addressing<br /><br />9. Refer to the exhibit. All routers have a route in its routing table to each network that is shown in the exhibit. Default routes have not been issued on these routers. What can be concluded about how packets are forwarded in this network? (Choose two.)<br />If RouterC receives a packet that is destined for 10.5.1.1, it will be forwarded out interface Fa0/0.<br /></span><span style="font-family:times new roman;"><strong><span style="color:#ff0000;">If RouterA receives a packet that is destined for 192.168.3.146, it will be forwarded out interface S0/0/1.<br />If RouterB receives a packet that is destined for 10.5.27.15, it will be forwarded out interface S0/0/1.<br /></span></strong>If RouterB receives a packet that is destined for 172.20.255.1, it will be forwarded out interface S0/0/0.<br />If RouterC receives a packet that is destined for 192.16.5.101, it will be forwarded out interface S0/0/1.<br /><br />10. The serial connection shown in the graphic needs to be configured. Which configuration commands must be made on the Sydney router to establish connectivity with the Melbourne site? (Choose three.)<br /></span><span style="font-family:times new roman;"><strong><span style="color:#ff0000;">Sydney(config-if)# ip address 201.100.53.2 255.255.255.0<br />Sydney(config-if)# no shutdown</span></strong><br />Sydney(config-if)# ip address 201.100.53.1 255.255.255.224<br /><strong><span style="color:#ff0000;">Sydney(config-if)# clock rate 56000</span></strong><br />Sydney(config-if)# ip host Melbourne 201.100.53.2<br /><br />11. Refer to the exhibit. What can be concluded from the output of the running-configuration of a router?<br />The passwords are encrypted.<br />The current configuration was saved to NVRAM.<br />The configuration that is shown will be the one used on the next reboot.<br /></span><span style="font-family:times new roman;"><strong><span style="color:#ff0000;">The commands that are displayed determine the current operation of the router.</span><br /></strong><br />12. Refer to the exhibit. Host A pings host B. When R4 accepts the ping into the Ethernet interface, what two pieces of header information are included? (Choose two.)<br />source IP address: 192.168.10.129<br />source IP address: BBBB.3333.5677<br />source MAC address: 5555.AAAA.6666<br />destination IP address: 192.168.10.33<br /></span><span style="font-family:times new roman;"><strong><span style="color:#ff0000;">destination IP address: 192.168.10.134<br />destination MAC address: 9999.DADC.1234</span></strong><br /><br />13. What is the outcome of entering these commands?<br />R1(config)# line vty 0 4<br />R1(config-line)# password check123<br />R1(config-line)# login<br />ensures that a password is entered before entering user EXEC mode<br /></span><span style="font-family:times new roman;"><strong><span style="color:#ff0000;">sets the password to be used for connecting to this router via Telnet</span><br /></strong>requires check123 to be entered before the configuration can be saved<br />creates a local user account for logging in to a router or switch<br /><br />14. Which of the following is the correct flow of routines for a router startup?<br /></span><span style="font-family:times new roman;"><strong><span style="color:#ff0000;">load bootstrap, load IOS, apply configuration</span><br /></strong>load bootstrap, apply configuration, load IOS<br />load IOS, load bootstrap, apply configuration, check hardware<br />check hardware, apply configuration, load bootstrap, load IOS<br /><br />15. What three processes does a router execute when it receives a packet from one network that is destined for another network? (Choose three.)<br /><strong><span style="color:#ff0000;">decapsulates the Layer 3 packet by stripping off the Layer 2 frame header</span></strong><br />uses the destination MAC Address in the IP Header to look up the next-hop address in the routing table<br />leaves the Layer 2 frame header intact when decapsulating the Layer 3 packet<br /><span style="color:#ff0000;"><strong>uses the destination IP Address in the IP header to look up the next-hop address in the routing table</strong><br /></span></span><span style="font-family:times new roman;"><strong><span style="color:#ff0000;">encapsulates the Layer 3 packet into the new Layer 2 frame and forwards it out the exit interface</span><br /></strong>encapsulates the Layer 3 packet into a special Layer 1 frame and forwards it to the exit interface<br /><br />16. The network administrator needs to connect two routers directly via their FastEthernet ports. What cable should the network administrator use?<br />straight-through<br />rollover<br /></span><span style="font-family:times new roman;"><strong><span style="color:#ff0000;">cross-over</span><br /></strong>serial<br /><br />17. Which two statements describe characteristics of load balancing? (Choose two.)<br />Load balancing occurs when a router sends the same packet to different destination networks.<br />Load balancing occurs when the same number of packets are sent over static and dynamic routes.<br /></span><span style="font-family:times new roman;"><strong><span style="color:#ff0000;">Load balancing allows a router to forward packets over multiple paths to the same destination network.<br />Unequal cost load balancing is supported by EIGRP.</span></strong><br />If multiple paths with different metrics to a destinations exist, the router cannot support load balancing.<br /><br />18. What information about the router and its startup process can be gathered from the output of the show version command? (Choose three.)<br /><strong><span style="color:#ff0000;">the last restart method</span></strong><br />the command buffer contents<br />the amount of NVRAM and FLASH used<br /></span><span style="font-family:times new roman;"><strong><span style="color:#ff0000;">the configuration register settings<br />the location from where the IOS loaded</span><br /></strong><br />19. Which interfaces in the exhibit could be used for a leased line WAN connection? (Choose two.)<br /><strong><span style="color:#ff0000;">1</span></strong><br />2<br />3<br /><strong><span style="color:#ff0000;">4</span></strong><br />5<br />6<br /><br />20. From what location can a router load the Cisco IOS during the boot process? (Choose two.)<br />RAM<br /><strong><span style="color:#ff0000;">TFTP server</span><br /></strong>NVRAM<br />setup routine<br /><strong><span style="color:#ff0000;">Flash memory</span></strong><br />terminal<br /><br />21. A network administrator has just entered new configurations into Router1. Which command should be executed to save configuration changes to NVRAM?<br />Router1# copy running-config flash<br />Router1(config)# copy running-config flash<br /><strong><span style="color:#ff0000;">Router1# copy running-config startup-config</span></strong><br />Router1(config)# copy running-config startup-config<br />Router1# copy startup-config running-config<br />Router1(config)# copy startup-config running-config<br /><br />22. What is the default sequence for loading the configuration file?<br />NVRAM, FLASH, ROM<br />FLASH, TFTP,CONSOLE<br /><strong><span style="color:#ff0000;">NVRAM, TFTP, CONSOLE</span></strong><br />FLASH, TFTP, ROM<br /><br />23. What header address information does a router change in the information it receives from an attached Ethernet interface before information is transmitted out another interface?<br />only the Layer 2 source address<br />only the Layer 2 destination address<br />only the Layer 3 source address<br />only the Layer 3 destination address<br /><strong><span style="color:#ff0000;">the Layer 2 source and destination address</span></strong><br />the Layer 3 source and destination address</span></p>Unknownnoreply@blogger.com0