C C N A – 2 (Version 4) ROUTING PROTOCOLS AND CONCEPTS FINAL EXAM 1. Refer to the exhibi exhibit. t. Which statement statement is true about router router R2? R2? a. The routing routing table table content indicat indicates es that interfa interface ce S0/0/0 S0/0/0 is administr administrativel atively y down. b. The rout routee for 172. 172.16.1 16.1.0 .0 is a stat static ic route route.. c. A packet packet that is destined destined for a host on the 172.16.3.0 172.16.3.0 network network is forwarde forwarded d without without performing a routing table lookup. d. The packets packets that are routed routed to network network 172.168.1 172.168.1.0 .0 require require two routing routing table table lookups. lookups. 2. Refer to to the exhibit. exhibit. A router router learns learns a route route to the the 192.168.6.0 192.168.6.0 networ network, k, as show show in the the output of the show ip rip database command. How ever, upon running the show ip route route command, the network administrator sees that the router has installed a different route to the 192.168.6.0 network learned via v ia EIGRP. What could be the reason for the missing RIP route? a. Compared Compared to RIP, EIGRP has a lower administr administrative ative distan distance. ce. b. Compared Compared to EIGRP, EIGRP, RIP as a higher higher metri metricc value for the the route. route. c. Compar Compared ed to RIP, RIP, the the EIGRP EIGRP rout routee has fewer fewer hops. hops. d. Compared Compared to RIP, EIGRP has a faster faster update update timer timer.. 3. Refer to to the exhibit. exhibit. All routers routers are are properly properly configured configured to to use the EIGRP EIGRP routing routing protocol protocol with with default default settings, and the network is fully converge. Which statement correctly describes the pat that the traffic traffic will use from the 10.1.1.0/24 network to the 10.1.2.0/24 network? a. It wil willl use use the the A-D A-D path path only only.. b. It will will use the path path A-D, and the the paths A-C-D A-C-D and A-B-D A-B-D will will retained retained as the the backup paths. paths. c. It will will use use all the paths paths equally equally in a round-r round-robin obin fashion fashion.. d. The traffi trafficc will be load-bala load-balanced nced between between A-B-D A-B-D and and A-C-D. A-C-D. 4. Refer to to the exhibit. exhibit. Which two two components components are are required required to to complete complete the configur configuration ation?? (Choose (Choose two.) a. CSU/ CSU/D DSU devi device ce b. DTE dev device c. DCE device d. Cros Crosso sove verr cabl cablee e. V.35 cable 5. Refer to the the exhibit. exhibit. A network network admini administrat strator or wants wants to reduce the size size of the the routing routing table table of R1. Which Which partial routing table entry in R1 represents the route summary for R2, without including any additional subnets? a. 10.0.0. 10.0.0.0/1 0/16 6 is is subne subnett tted, ed, 1 subn subnets ets D 10.5.0.0[90/205891] via 192.168.1.2 S0/0/0 b. 10.0.0. 10.0.0.0/2 0/24 4 is subnet subnetted ted,, 4 subne subnets ts D 10.5.0.0[90/205891] via 192.168.1.2 S0/0/0 c. 10.0.0 10.0.0.0/ .0/22 22 is subn subnett etted ed,, 1 subne subnets ts D 10.5.0.0[90/205891] via 192.168.1.2 S0/0/0 d. 10.0.0. 10.0.0.0/8 0/8 is subnet subnetted ted,, 4 subne subnets ts D 10.5.0.0[90/205891] via 192.168.1.2 S0/0/0 6. Refer to the the exhibit. exhibit. Which router router is advertisin advertising g subnet subnet 172.16.1.32 172.16.1.32/28 /28 a. Router1 b. Router2 c. Router3 d. Router4 7. A router router has learned learned two two equal cost paths paths to a remote remote network network via the the EIGRP and RIP protocols. protocols. Both protocols are using their default configurations. Which path to the remote network network will be installed installed in the routing table? a. Th Thee path path learn learned ed via via EIGR EIGRP P b. The The path path lear learne ned d via via RIP RIP c. The path path with with the the highes highestt metri metricc value value d. Both Both path pathss with with load load balanc balancing ing 8. Which two two statement statementss are true about about the EIGRP EIGRP successo successorr route? route? (Choose two.) two.) a. It is saved saved in the the topology topology table table for use if the primary primary route fails. fails. b. It may may be backe backed d up by a feasibl feasiblee success successor or route route c. It is used used by EIGRP EIGRP to forwa forward rd traffi trafficc to the destinat destination. ion. d. It is flag flagged ged as active active in in the routi routing ng table table e. After the the discovery discovery process process has has occurred, occurred, the success successor or route route is stored stored in the neighbor neighbor table table
9. Refer to the the exhibit. exhibit. Both routers routers are using the RIPv2 RIPv2 routing routing protocol protocol and static static routes routes are defined. defined. R1 can ping 192.168.2.1 and 10.1.1.2, but is unable to ping 192.168.4.1. What is the reason for the ping failure? a. The seria seriall interf interface ace betwe between en two route routers rs is down. down. b. R2 is not not forwa forwardi rding ng the the routing routing updat updates. es. c. The 192.168.4.0 192.168.4.0 network is not included in the RIP configurat configuration ion of R2. d. RIPv RIPv1 1 needs needs to to be conf config igur ured ed.. 10. Refer to the exhibit. An administrator administrator is adding a new subnet of 50 hosts to R3. Which subnet address address should be used for the new subnet that provides enough addresses while wasting a minimum of addresses? a. 192. 192.16 168. 8.1. 1.0/ 0/24 24 b. b. 192. 192.16 168. 8.1. 1.48 48/2 /28 8 c. 192. 192.16 168. 8.1. 1.32 32/2 /27 7 d. 192. 192.16 168. 8.1. 1.64 64/2 /26 6 11. In a lab test environment, environment, a router has learned about network 172.16.1.0 through four four different dynamic routing processes. Which route will be used to reach this network? a. D 172.16.1.0/24 172.16.1.0/24 [90/2195456] [90/2195456] via 192.168.200.1, 192.168.200.1, 00:00:09, 00:00:09, Serial0/0/0 Serial0/0/0 b. O 172.16.1.0/ 172.16.1.0/24 24 [110/1012] [110/1012] via 192.168.2 192.168.200.1, 00.1, 00:00:2 00:00:22, 2, Serial0/ Serial0/0/0 0/0 c. R 172.16.1.0/ 172.16.1.0/24 24 [120/1] [120/1] via 192.168.2 192.168.200.1, 00.1, 00:00:17, 00:00:17, Serial Serial0/0/0 0/0/0 d. D 172.16.1.0/ 172.16.1.0/24 24 [100/1192] [100/1192] via 192.168.2 192.168.200.1, 00.1, 00:00:0 00:00:09, 9, Serial0/ Serial0/0/0 0/0 12. Refer to the exhibit. To implement the the RIPv2 protocol, the the network administrator administrator runs the commands as displayed. However, the show show ip protocol command fails fails to display any output. How can the administrator solve the problem that is indicated by the lack of output from this command? a. Include Include the the default-inf default-informat ormation ion originate originate command command b. Includ Includee the no no auto-s auto-summ ummary ary comman command. d. c. Spec Specify ify the the network network for for which which RIP routin routing g has to be be enabled enabled.. d. Implem Implement ent RIPv2 RIPv2 authent authentica icatio tion n in the network network.. 13. What are the two functions of a router? (Choose two.) a. It forward forwardss data pack packets ets toward toward their their desti destinati nation. on. b. It forwards forwards the the packet to the destin destination ation if if the TTL TTL value is is 0. c. It changes the the destination destination IP address address of data data packets packets before forwardi forwarding ng them to an exit interface interface.. d. It determin determines es the best best path path based on the destinat destination ion MAC address. address. e. It acts acts as an inters intersect ection ion betwee between n multiple multiple IP IP network networks. s. 14. How does route poisoning poisoning prevent routing routing loops? a. New routing routing updates updates are ignored ignored until the network network has converge converged. d. b. Failed Failed routes routes are are adversti adverstised sed with with a metric metric of infinity. infinity. c. A route route is marked marked as unavailabl unavailablee when its its Time Time to Live is is exceeded. exceeded. d. The unreachable unreachable route route is cleared cleared from from the routing routing table table after after the invalid invalid timer timer expires. expires. 15. Refer to the exhibit. All routers routers are running the same same routing protocol. Based on the the exhibit and its displayed commands, which statement is true? a. Routers Routers B,C B,C and and D have no no access access to to the Inte Interne rnet. t. b. The link link to the ISP will will be excluded excluded from from the the routing routing protocol protocol process. process. c. A default default rout routee must be be configu configured red on every every rout router. er. d. The wildc wildcard ard mask mask is incorr incorrect ectly ly config configure ured. d. 16. Refer to the exhibit. While trying trying to diagnose a routing problem in in the network, the network administrator runs the debug ip rip command. What can be determined from the output of this command? a. The rout router er will will be unable unable to to ping ping 192.168 192.168.1. .1.2 2 b. The router router has has two interfaces interfaces that participate participate in the RIP process. c. The router router will will forward forward the the updates updates for 192.168.1 192.168.1.0 .0 on interfac interfacee Serial0/0/ Serial0/0/1. 1. d. The router router is not originatin originating g routes routes for 172.16.1.0 172.16.1.0 17. Refer to the exhibit. How many routes are ultimate routes? routes? a. 3 b. 4 c. 5 d. 7 18. Refer to the exhibit. Which summarization summarization should R1 use to advertise its its networks to to R2? a. 192. 192.16 168. 8.1. 1.0/ 0/24 24 b. b. 192. 192.16 168. 8.0. 0.0/ 0/24 24 c. 192. 192.16 168. 8.0. 0.0/ 0/22 22 d. 192. 192.16 168. 8.1. 1.0/ 0/22 22
19. Refer to the exhibit. A network administrator is accessing router R1 from the console port. Once the administrator is connected to the router, which password should the administrator enter at the R1> prompt to access privileged EXEC mode? a. Cisco001 b. Cisco123 c. Cisco789 d. Cisco901 20. Refer to the exhibit. R2 is configured correctly. correctly. The network administrator has configured R1 as shown. Which two facts can be deduced from the configuration of R1? (Choose two.) a. R1 will forward the route information for subnet 192.168.100.0/30 b. The adminis administrati trative ve distance distance has been been set to 50 on R1 c. R1 will not not forward forward route route informat information ion for subnet subnet 192.16 192.168.10 8.100.4/ 0.4/30 30 d. R1 will will forward forward the the EIGRP EIGRP update update for for subnet subnet 10.10.10. 10.10.10.0/30 0/30 e. Auto Auto summa summariz rizati ation on must must be enab enabled led.. 21. A router boots and enters setup mode. What is the reason for for this? a. The The IOS IOS imag imagee is corru corrupt pt.. b. Cisco Cisco IOS IOS is miss missing ing from from flas flash h memory memory.. c. The confi configura guration tion file is missin missing g from from NVRAM. NVRAM. d. The POST POST process process has has detecte detected d hardware hardware failure. failure. 22. Which three statements are are true regarding the encapsulation and de-encapsulation of packets when traveling through a router? (Choose three.) a. The router router modif modifies ies the the TTL field field,, decremen decrementing ting it by by one. one. b. The router router changes changes the source source IP IP to the IP of the exit exit interface. interface. c. The router router maint maintains ains the the same same source source and and destinat destination ion IP. IP. d. The router router changes changes the source source physical address address to the the physical physical address of of the exit interface. interface. e. The router router changes changes the destin destination ation IP IP to the the IP of the exit interface. interface. f. The router router sends sends the packet packet out all other other interface interfaces, s, besides besides the the one it entere entered d the router router on. 23. Refer to the exhibit. A network administrator administrator has configured R1 as shown, and all interfaces are are functioning correctly. A ping from R1 to 172.16.1.1 fails. fails. What could be the cause of this problem? a. The serial serial interface interface on R1 R1 is configured configured incorrectl incorrectly. y. b. The defaul defaultt route route is configur configured ed incorre incorrectly ctly.. c. The defaultdefault-infor informati mation on originate originate command command must be issued issued on R1. d. Auto Auto summar summariza izati tion on must must be disab disabled led on R1. R1. 24. Which statement is is true about the RIPv1 protocol? protocol? a. It is is a link link-st -state ate routi routing ng proto protocol col.. b. It excludes excludes subnet subnet inform informatio ation n from the routing routing update updates. s. c. It uses uses the DUAL DUAL algorith algorithm m to insert insert backup backup routes routes into into the topology topology table. table. d. It uses uses classless classless routing routing as the default default method method on the router router.. 25. Refer to the exhibit. R1 and R2 are unable to establish an adjacency. What two configuration changes will correct correct the problem? (Choose two.) a. Set Set a lower lower prio priori rity ty on R2. R2. b. Configur Configuree the routers routers in in the same same area. area. c. Set a lower lower cost cost on R2 comp compare ared d to R1. d. Add a backup backup desi designat gnated ed router router to to the netwo network. rk. e. Match Match the the hello hello and and dead dead timers timers on on both both router routers. s. 26. Refer to the exhibit. Host A is unable to access the Internet. What is the reason for this? a. The IP IP addre address ss of of host host A is inco incorre rrect. ct. b. The defau default lt gatewa gateway y of host host A is incor incorrec rect. t. c. The Fa0/1 Fa0/1 interface interfacess of the two two routers routers are are configured configured for for different different subnets. subnets. d. The subnet subnet mask mask for for the Fa0/0 interface interface of R1 is incorrect. incorrect. 27. Refer to the exhibit. Which two statements statements are true based on the exhibited exhibited output? (Choose two.) a. The adminis administrati trative ve distance distance of EIGRP EIGRP has has been been set set to 50. b. All All rout routes es are are sta stabl ble. e. c. The show show IP EIGR EIGRP P topolo topology gy comma command nd has been been run run on R1. d. The serial serial interface interface between between the two two routers routers is down. down. e. Each Each route route has has one one feas feasibl iblee succes successor sor.. 28. Refer to the exhibit. Router R2 is configured configured properly and all interfaces are functional. Router R1 has been installed recently. recently. Host A is is unable to ping ping host B. Which procedure can resolve resolve this problem? a. Configure Configure a static static route route on R1 using the the IP address address of the serial serial interface interface on R1. R1. b. Configure Configure a default default route route on R1 R1 with the the exit interf interface ace Fa0/0 Fa0/0 on R1. c. Configure a static route on R1 using the IP address of S0/0/0 on R2. d. Configure Configure a default default route route on R1 R1 using the IP address address of Fa0/0 Fa0/0 on R2. R2.
29. Refer to the exhibit. The 10.4.0.0 network fails. fails. What mechanism prevents R2 from receiving false update information regarding the 10.4.0.0 network? a. Spli plit hor horizon izon b. b. Hold Hold-d -dow own n time timers rs c. Rout Routee poi poissoni oning d. Trig Trigge gere red d upd updat ates es 30. What are two tasks that that must be completed before two two routers can use OSPF to form a neighbor adjacency? (Choose two.) a. The rout routers ers must must elect elect a desig designat nated ed route router. r. b. The route routers rs must must agree agree on on the netw network ork type. type. c. The route routers rs must must use use the the same same dead dead inter interval. val. d. The route routers rs must must exchan exchange ge link link state state request request.. e. The routers routers must exchange exchange database database descriptio description n packets. packets. 31. Which two router component and operation pair are correctly described? described? (Choose two.) a. DRAM DRAM – load loadss the the boot bootst stra rap p b. RAM – stores stores the operati operating ng syste system m c. Flash Flash – execute executess diagno diagnosti stics cs at bootup bootup d. NVRAM NVRAM – stor stores es the the confi configur gurati ation on file file e. ROM – store storess the the backup backup configu configurati ration on file file f. POST POST – runs runs diag diagnos nostic ticss on hard hardwar waree module moduless 32. Refer to the exhibit. A ping between the the serial interfaces interfaces of R1 and R2 is successful, successful, but a ping between their FastEthernet interfaces interfaces fails. What is the reason for this problem? a. The Fast FastEth Ethern ernet et inter interfac facee of R1 is disabl disabled. ed. b. One of the the default default routes routes is config configure ured d incorrec incorrectly. tly. c. A routing routing proto protocol col is is not confi configur gured ed on both both routers routers.. d. The default default gatewa gateway y has not not been been configured configured on both routers. routers. 33. Refer to the exhibit. All interfaces are addressed and functioning correctly. correctly. The network administrator runs the tracert command on Host Host A. Which two facts could be responsible responsible for the output of this command? (Choose two.) a. The entry entry for 192.168.2.0/24 192.168.2.0/24 is missing from the routing routing table table of R1. b. The entry entry for 192.168. 192.168.1.0/24 1.0/24 is is missing missing from from the the routing routing table table of R2. c. The entry entry for for 10.1.1.0/ 10.1.1.0/30 30 is missin missing g from the the routing routing table table of of R1. d. The entry entry for 10.1.1.0 10.1.1.0/30 /30 is missi missing ng from the routing routing table table of R2. R2. e. The entry entry for 192.168. 192.168.1.0/24 1.0/24 is is missing missing from from the the routing routing table table of R1. f. The entry entry for for 192.168.2. 192.168.2.0/24 0/24 is missing missing from from the routing routing table table of R2. R2. 34. Which routing protocol maintains maintains a topology table separate from from the routing table? a. IGRP b. RIPv1 c. RIPv2 d. EIGRP 35. Refer to the exhibit. Which two facts can be derived from this this output? (Choose two.) a. Three network network devices devices are directly directly connected connected to Router2. Router2. b. The serial serial inter interface face betwe between en Router2 Router2 and and Router3 Router3 is up. up. c. Router1 Router1 and and Router Router3 3 are direc directly tly conn connect ected. ed. d. Six devic devices es are up and and running running on the the network network.. e. Layer 3 functiona functionality lity between between routers routers is is configured configured properly. properly. 36. Refer to the exhibit. Although R2 is configured correctly, host A is unable to access the Internet. Which two static routes routes can be configured on R1 to enable Internet connectivity for host A? (Choose two.) a. IP Rou Route te 0.0 0.0.0. .0.0 0 0.0.0 0.0.0.0 .0 Fa0 Fa0/0 /0 b. IP Route Route 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 Fa0/1 Fa0/1 c. IP Rou Route te 0.0. 0.0.0.0 0.0 0.0 0.0.0. .0.0 0 10.1. 10.1.1. 1.1 1 d. IP Route Route 0.0. 0.0.0.0 0.0 0.0. 0.0.0.0 0.0 10.1 10.1.1. .1.2 2 e. IP Route Route 209.16 209.165.2 5.202.0 02.0 255.2 255.255.2 55.255.0 55.0 10.1. 10.1.1.1 1.1 f. IP Route Route 209.165 209.165.202 .202.0 .0 255.255 255.255.255 .255.0 .0 10.1.1.2 10.1.1.2 37. Refer to the exhibit. All routers are running RIPv1. The two networks 10.1.1.0/29 and 10.1.1.16/29 are are unable to access each other. What can be the cause of this this problem? a. Because Because RIPv1 is a classle classless ss protocol protocol,, it does not support support this this access. access. b. RIPv1 RIPv1 does not not suppor supportt disconti discontiguo guous us networ networks. ks. c. RIPv1 RIPv1 does does not not suppo support rt load load bala balanci ncing. ng. d. RIPv1 does not support support automatic automatic summarizat summarization. ion.
38. Refer to the exhibit. The show cdp neighbors command was run at R1. Which two facts about the newly detected device can be determined from the output? (Choose two.) a. ABCD ABCD is a route routerr that that is is conne connecte cted d to R1. R1. b. ABCD ABCD is a non non – CISCO CISCO devic devicee that that is conne connecte cted d to R1. c. The device device is is connected connected at the the Serial0/ Serial0/0/1 0/1 interf interface ace of R1. d. R1 is connected connected at the S0/0/1 S0/0/1 interface interface of of device device ABCD. ABCD. e. ABCD ABCD does not not suppor supportt switc switchin hing g capabil capability ity.. 39. What is the the function of the the OSPF LSR packet? a. It is is used used to conf confir irm m the rece receipt ipt of of LSUs. LSUs. b. It is used used to establis establish h and maintain maintain adjacency adjacency with with other OSPF OSPF router routers. s. c. It is used used by the receivi receiving ng routers routers to request request more more informati information on about any entry entry in in the DBD. d. It is used to to check the database database synchroniz synchronization ation between between routers. routers. 40. Refer to the exhibit. Which three statements are are true of the routing table for Router1? (Choose three.) a. The rout routee to networ network k 172.16.0 172.16.0.0 .0 has an AD of 15616 156160. 0. b. Network Network 192.168.0.16 192.168.0.16 can best best be reached reached using FastEther FastEthernet0/0 net0/0.. c. The AD of EIGRP EIGRP routes routes has been been manually manually changed changed to a value other than than the default default value. d. Router1 is running running both both the EIGRP and OSPF OSPF routing routing process. process. e. Network Network 172.17.0.0 172.17.0.0 can only only be be reached reached using using a default default route. route. f. No def defaul aultt route route has bee been n confi configu gured red.. 41. All routers in a network are configured in a single OSPF OSPF area with with the same priority priority value. No loopback interface has been set on any of the routers. Which secondary value will the routers use to determine the router ID? a. The highest highest MAC MAC address address among among the active active interfac interfaces es of the network network will be used. used. b. There will will be no router ID until until a loopback loopback interf interface ace is configu configured. red. c. The highest highest IP address address among the active active FastEther FastEthernet net interfaces interfaces that that are running running OSPF will will be used. d. The highest highest IP address among the active active interfaces interfaces will be be used. 42. Which two components are used to to determine the router ID in in the configuration of the OSPF OSPF routing process? (Choose two.) a. The IP IP address address of the first first FastEtherne FastEthernett interf interface ace b. The highe highest st IP addre address ss of any any logica logicall interfac interfacee c. The highe highest st IP address address of any any physica physicall interf interface ace d. The defaul defaultt gatew gateway ay IP address address.. e. The prior priority ity value value of 1 on on any physical physical interfac interfacee 43. Refer to the exhibit. The routers are properly configured using using a dynamic routing protocol with default settings, and the the network is fully converged. Router A is forwarding data to router E. Which statement is true about the routing path? a. If the network network uses the the RIP protocol, protocol, router router A will determine determine that that all paths paths have equal equal cost. b. If the network network uses the RIP RIP protocol, protocol, router router A will update update only the A-C-E A-C-E path in its routin routing g table c. If the network network uses uses the EIGRP EIGRP routing routing protocol, protocol, router router A will will determine determine that that path A-D-E A-D-E has the the lowest cost. d. If both RIP RIP and EIGRP EIGRP protocols protocols are are configured configured on router router A, the router router will will use the the route information that is learned by the RIP routing protocol. 44. A network administrator uses uses the RIP routing routing protocol to implement routing within within an autonomous system. What are two characteristics characteristics of this protocol? protocol? (Choose two.) a. It uses the the Bellman Bellman – Ford Ford algorith algorithm m to determin determinee the best best path. b. It display displayss an actual map of of the the network network topolog topology. y. c. If offer offerss rapid rapid conver convergen gence ce in larg largee network networks. s. d. It periodically periodically sends complete complete routing routing tables tables to all connected connected devices. e. It is beneficial beneficial in in complex complex and hierarchica hierarchically lly designed designed network. network. 45. Refer to the exhibit. Packets destined to which two networks networks will require the router to perform a recursive lookup? (Choose two.) a. 10.0.0.0/8 b. b. 64.1 64.100 00.0 .0.0 .0//16 c. 128. 128.10 107. 7.0. 0.0/ 0/16 16 d. 172. 172.16 16.4 .40. 0.0/ 0/24 24 e. 192. 192.16 168. 8.1. 1.0/ 0/24 24 f. 192.1 92.16 68.2 8.2.0/ .0/24
46. A network administrator administrator has enabled RIP RIP on routers B and C in the network diagram. Which of the the following commands will prevent RIP updates from being sent to Router A? a. A(co A(conf nfig ig)# )# route routerr rip rip A(config-router)# passive-interface S0/0 b. B(co B(conf nfig ig)# )# rou route terr rip rip B(config-router)# network 192.168.25.48 B(config-router)# network 192.168.25.64 c. A(co A(conf nfig ig)# )# rout router er rip rip A(config-router)# no network 192.168.25.32 d. B(co B(conf nfig ig)# )# rout router er rip rip B(config-router)# passive-interface S0/0 A(config)# no router rip 47. Which statement is true true about the metrics used by routing protocols? a. A metric metric is a value used used by a particula particularr routing routing protocol protocol to compare compare paths paths to remote remote networks. networks. b. A common common metric metric is is used by by all rout routing ing proto protocol colss c. The metric metric with with the highest highest value is is installed installed in in the routing routing table. table. d. The router router may use only only one paramete parameterr at a time time to calculat calculatee the metric. metric. 48. Refer to the exhibit. Two routers are unable to establish an adjacency. What is the possible cause for this? a. The two two routers routers are connecte connected d on a multi-acces multi-accesss network. network. b. The hello hello and dead intervals intervals are different different on the the two routers. routers. c. They They have have diffe differen rentt OSPF OSPF router router IDs. IDs. d. They They have have diff differe erent nt proc process ess IDs. IDs. 49. Which two statements are correct about the split horizon horizon with poison reverse method method of routing loop prevention? (Choose two.) a. It is is enabled enabled by by default default on all all Cisco Cisco IOS IOS implant implantations ations.. b. It assigns assigns a value value that represent representss an infinite infinite metric metric to the the poisoned poisoned route. route. c. It sends back the poisoned poisoned route update update to to the same same interface interface from where it it was received. received. d. It instructs instructs routers routers to to hold all changes changes that might might affect routes, routes, for for a specified specified period of time. time. e. It limits limits the number number of hops hops a packet packet can traverse traverse through through the network network before before it is discar discarded. ded. 50. Refer to the exhibit. Routers R1 and R3 use different different routing protocols with default administrative distance values. All devices are properly configured and the destination network is is advertised by both protocols. Which path will be used to transmit the data packets between PC1 and PC2? a. Th Thee packet packetss will will trave travell via R2-R R2-R1. 1. b. The packe packets ts wil willl travel travel via R2-R3. R2-R3. c. The traffic traffic will will be load-balance load-balanced d between between two paths paths – via R2-R1 and and via R2-R3. R2-R3. d. The packets packets will travel travel via via R2-R3, and the the other path path via R2-R1 R2-R1 will be be retained retained as the backup backup path. 51. Refer to the exhibit. Routers R1 and R2 are directly directly connected via their serial interfaces and are both running the EIGRP routing routing protocol. R1 and R2 can ping the directly directly connected serial interface of their their neighbor, but they cannot form an EIGRP neighbor adjacency. What action should be taken to solve solve this problem? a. Enable Enable the the serial serial inte interfa rfaces ces of both both routers routers.. b. Configu Configure re EIGRP EIGRP to to send perio periodic dic updat updates. es. c. Configur Configuree the same same hello hello interva intervall between between the the routers. routers. d. Configure Configure both both routers routers with with the same EIGRP EIGRP process process ID. 52. Refer to the exhibit. What is the meaning of the highlighted value 2? a. It is is the the administ administrativ rativee distance distance of routing routing protocol protocol.. b. It is the number number of hops between between R2 and and the 192.168.8.0/24 192.168.8.0/24 network. network. c. It is the the value used used by the DUAL DUAL algorithm algorithm to determi determine ne the bandwidth bandwidth for the link. link. d. It is the the conver convergen gence ce time time measure measured d in seconds seconds.. 53. Refer to the exhibit. The hosts that that are connected to R2 are unable to ping the hosts that are connected to R1. How can this problem be resolved? a. Configu Configure re the the rout router er ID ID on both both router routers. s. b. Configur Configuree the R2 R2 router router inter interface facess for area area 0. c. Configu Configure re a loopb loopback ack inter interfac facee on both both router routers. s. d. Configure Configure the the proper proper subnet subnet masks masks on the router router interfaces interfaces..
54. Refer to the exhibit. The network has three connected routers: R1, R2 and R3. The routes of all three routers are displayed. displayed. All routers are operational and pings are not block on this network. Which ping will fail? a. From From R1 to 172. 172.16 16.1 .1.1 .1 b. From From R1 to 192.1 192.168. 68.3. 3.1 1 c. From From R2 R2 to to 192. 192.16 168. 8.1. 1.1 1 d. From From R2 to 192.1 192.168. 68.3. 3.1 1 55. Which two statements are true for link-state routing routing protocols? (Choose two.) a. Routers that run run a link-state link-state protocol protocol can can establish establish a complete complete topology topology of the network. network. b. Routers Routers in a multipoint multipoint network network that run a link-sta link-state te protocol protocol can exchange exchange routing routing tables. c. Routers Routers use use only only hop count count for rout routing ing decis decision ions. s. d. The short shortest est path path first first algorit algorithm hm is used. used. e. Split Split horiz horizon on is used used to to avoid avoid routin routing g loops. loops. 56. Refer to the exhibit. The output of the show ip route command for router R1 is displayed. What action will the router take for a packet is destined for 192.168.1.5? a. It will will drop drop the the pac packe ket. t. b. It will will forward forward the packet packet to interf interface ace Serial Serial0/0/0 0/0/0.. c. It will will determine determine the the route for for the packet packet through through a routing routing protocol. protocol. d. It will will forward forward the packet packet to the the default default gateway. gateway. 57. Refer to the exhibit. What action will will R2 take for a packet that is destined for 192.168.2.0? a. It will will drop drop the the pac packe ket. t. b. It will will forward forward the packet packet via the the S0/0/0 S0/0/0 interf interface ace c. It will will forwa forward rd the the packet packet via the the Fa0/0 Fa0/0 interfa interface ce d. It will will forw forwar ard d the pack packet et to R1. R1.
