CCNA 2Final Exam B.docx
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CCNA 2Final Exam B.docx
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CCNA2FinalExamB
CCNA2-FinalExam(B)
Postedbybeotronat9:
08PM
1.Refertotheexhibit.Theoutputoftheshowiproutecommandforthreeroutersonanetworkisdisplayed.Allroutersareoperational,pingsarenotblockedonthisnetwork,andnodefaultroutesareinstalled.Whichtwopingswillfail?
(Choosetwo.)
•fromR1to172.16.1.1
•fromR1to192.168.3.1
•fromR2to192.168.1.1
•fromR2to192.168.3.1
•fromR3to192.168.1.1
2.ArouterthatusestheRIProutingprotocolhasanentryforanetworkintheroutingtable.Itthenreceivesanupdatewithanotherentryforthesamedestinationnetworkbutwithalowerhopcount.Whatactionwilltheroutertakeforthisnewupdate?
•Itwillappendtheupdateinformationtotheroutingtable.
•Itwillinvalidatetheentryforthatnetworkintheroutingtable.
•Itwillreplacetheexistingroutingtableentrywiththenewinformation.
•Itwillignorethenewupdate.
3.WhichtwostatementsaretrueforOSPFHellopackets?
(Choosetwo.)
•Theynegotiatecorrectparametersamongneighboringinterfaces.
•Theyareusedfordynamicneighbordiscovery.
•Theyusetimerstoelectthedesignatedrouterwiththefastestlink.
•Theyarereceivedfromallroutersonthenetworkandusedtodeterminethecompletenetworktopology.
•Theyareusedtomaintainneighborrelationships.
4.Anetworkadministratorneedstoconfigureasingleroutertoload-balancethetrafficoverunequalcostpaths.Whichroutingprotocolshouldtheadministratoruse?
•EIGRP
•OSPF
•RIPv1
•RIPv2
5.Whichtwostatementsarecorrectaboutthesplithorizonwithpoisonreversemethodofroutingloopprevention?
(Choosetwo.)
•ItisenabledbydefaultonallCiscoIOSimplementations.
•Itassignsavaluethatrepresentsaninfinitemetrictothepoisonedroute.
•Itsendsbackthepoisonedrouteupdatetothesameinterfacefromwhereitwasreceived.
•Itinstructsrouterstoholdallchangesthatmightaffectroutes,foraspecifiedperiodoftime.
•Itlimitsthenumberofhopsapacketcantraversethroughthenetworkbeforeitisdiscarded.
6.Refertotheexhibit.Theshowcdpneighborscommandwasrunononeofthedevicesasshown.Basedonthisinformation,whichtwofactscanbedetermined?
(Choosetwo.)
•Thecommandwasrunontherouter.
•ABCDisanon-CISCOdevice.
•Layer3connectivitybetweentwodevicesexists.
•ABCDsupportsroutingcapability.
•ABCDisconnectedtotheFa0/0interfaceoftheneighboringdevice.
7.Refertotheexhibit.Thenetworkhasthreeconnectedrouters:
R1,R2andR3.Theroutesofallthreeroutersaredisplayed.Whatcanbeverifiedfromtheoutput?
•R1andR3areconnectedtoeachotherviatheS0/0/0interface.
•TheIPaddressoftheS0/0/0interfaceofR1is10.1.1.2.
•TheIPaddressoftheS0/0/1interfaceofR2is10.3.3.2.
•R2isconnectedtotheS0/0/1interfaceofR3.
8.Refertotheexhibit.WhichthreestatementsaretrueoftheroutingtableforRouter1?
(Choosethree.)
•Theroutetonetwork172.16.0.0hasanADof156160.
•Network192.168.0.16canbestbereachedusingFastEthernet0/0.
•TheADofEIGRProuteshasbeenmanuallychangedtoavalueotherthanthedefaultvalue.
•Router1isrunningboththeEIGRPandOSPFroutingprocess.
•Network172.17.0.0canonlybereachedusingadefaultroute.
•Nodefaultroutehasbeenconfigured.
9.Refertotheexhibit.AlltheroutersareproperlyconfiguredtousetheRIProutingprotocolwithdefaultsettings,andthenetworkisfullyconverged.RouterAisforwardingdatatorouterE.Whichstatementistrueabouttheroutingpath?
•RouterAwillsendthedataviatheA-D-Epaththatislistedintheroutingtable.
•RouterAwillload-balancethetrafficbetweenA-B-EandA-C-E.
•RouterAwilldeterminethatallpathshaveequalmetriccost.
•RouterAwillsendthedatathroughA-D-EandkeepA-B-EandA-C-Easthebackuppaths.
10.Refertotheexhibit.ThenetworkadministratorhasrunthefollowingcommandonR1.
R1#iproute192.168.2.0255.255.255.0172.16.1.2Whatistheresultofrunningthiscommand?
•Trafficfornetwork192.168.2.0isforwardedto172.16.1.2.
•Thisrouteisautomaticallypropagatedthroughouttheentirenetwork.
•Trafficforallnetworksisforwardedto172.16.1.2.
•Thecommandinvokesadynamicroutingprotocolfor192.168.2.0.
11.Refertotheexhibit.ThenetworkadministratorisplanningIPaddressingofanewnetwork.WhatpartofthisaddressingschememustbechangedtoallowcommunicationbetweenhostAandtheserver?
•theIPaddressoftheserver
•thedefaultgatewayofhostA
•theIPaddressofhostA
•thedefaultgatewayoftheserver
12.Refertotheexhibit.AnetworkadministratorhasconfiguredOSPFusingthefollowingcommand:
network192.168.1.320.0.0.31area0
WhichrouterinterfacewillparticipateinOSPF?
•FastEthernet0/0
•FastEthernet0/1
•Serial0/0/0
•Serial0/0/1
13.Refertotheexhibit.AllroutersareconfiguredtorunRIPv1andarefullyconverged.WhichroutingupdateswillbereceivedbyR3?
•updatesfor192.168.1.0/24and192.168.2.0/24
•updatesfor172.16.2.0/24and172.16.3.0/24
•updatesfor172.16.1.0/24,172.16.2.0/24and172.16.3.0/24
•updatesfor172.16.0.0/16
14.Refertotheexhibit.BothroutersareusingtheRIPprotocol.Devicesonthe192.168.1.1networkcanpingtheS0/0/0interfaceonR2butcannotpingdevicesonthe192.168.2.1network.Whatisapossiblecauseofthisproblem?
•TheroutersareconfiguredwithdifferentversionsofRIP.
•R2isnotforwardingtheroutingupdates.
•TheR1configurationshouldincludethenoauto-summarycommand.
•Themaximumpathnumberhasbeenexceeded.
15.Whenarouterboots,whatisthedefaultordertolocatetheCiscoIOSifthereisnobootsystemcommand?
•ROM,TFTPserver,flash
•flash,TFTPserver,RAM
•flash,NVRAM,TFTPserver
•ROM,flash,TFTPserver
16.Refertotheexhibit.Whichrouterisadvertisingsubnet172.16.1.32/28?
•Router1
•Router2
•Router3
•Router4
17.Whichmechanismhelpstoavoidroutingloopsbyadvertisingametricofinfinity?
•routepoisoning
•splithorizon
•hold-downtimer
•triggeredupdates
18.Refertotheexhibit.Whatisthemeaningofthehighlightedvalue120?
•Itisthemetricthatiscalculatedbytheroutingprotocol.
•ItisthevaluethatisusedbytheDUALalgorithmtodeterminethebandwidthforthelink.
•Itistheadministrativedistanceoftheroutingprotocol.
•Itisthehold-downtime,measuredinseconds,beforethenextupdate.
19.Refertotheexhibit.AnetworkadministratorsuccessfullypingsR1fromR3.Next,theadministratorrunstheshowcdpneighborscommandonR3.Theoutputofthiscommandisdisplayed.WhataretworeasonsfortheabsenceofR1intheoutput?
(Choosetwo.)
•ThereisaLayer2connectivityproblembetweenR1andR3.
•TheFa0/0interfaceofR1isconfiguredwithanincorrectIPaddress.
•ThenocdpruncommandhasbeenrunatR1.
•ThenocdpenablecommandhasbeenrunatFa0/1interfaceofR3.R1ispoweredoff.
20.Refertotheexhibit.AdeviceisrequiredtocompletetheconnectionbetweenrouterR1andtheWAN.Whichtwodevicescanbeusedforthis?
(Choosetwo.)
•aCSU/DSUdevice
•amodem
•anEthernetswitch
•ahub
•abridge
21.Inacomplexlabtestenvironment,arouterhasdiscoveredfourpathsto192.168.1.0/24viatheuseoftheRIProutingprocess.Whichroutewillbeinstalledintheroutingtableafterthediscoveryofallfourpaths?
•R192.168.1.0/24[120/3]via192.168.110.1,00:
00:
17,Serial0/1/0
•R192.168.1.0/24[120/2]via192.168.200.1,00:
00:
17,Serial0/0/0
•R192.168.1.0/24[120/1]via192.168.100.1,00:
00:
17,Serial0/0/1
•R192.168.1.0/24[120/4]via192.168.101.1,00:
00:
17,Serial0/1/1
22.Refertotheexhibit.AnetworkadministratoraccessesrouterR1fromtheconsoleporttoconfigureanewlyconnectedinterface.Whatpasswordswillthenetworkadministratorneedtoentertomaketheconnectionandthenecessaryconfigurationchanges?
•theCisco123passwordonly
•theCisco789passwordonly
•theCisco001passwordonly
•theCisco001passwordandtheCisco789passwords
•theCisco001passwordandtheCisco123passwords
23.Refertotheexhibit.AnetworkadministratoraddsthiscommandtorouterR1:
iproute192.168.2.0255.255.255.0S0/0/0.Whatistheresultofaddingthiscommand?
•Thisrouteisautomaticallypropagatedthroughoutthenetwork.
•Thetrafficfornetwork172.16.1.0isforwardedtonetwork192.168.2.0.
•Astaticrouteisestablished.
•ThetrafficforallClassCnetworksisforwardedto172.16.1.2.
24.Refertotheexhibit.Therouterreceivesapacketthatisdestinedfor192.168.5.79.Howwilltherouterhandlethispacket?
•ItwillforwardthepacketviatheSerial0/0/1interface.
•ItwillforwardthepacketviatheFastEthernet0/0interface.
•ItwillforwardthepacketviatheSerial0/0/0interface.
•Itwilldropthepacket.
25.Whichtwostatementsaretrueaboutclasslessroutingprotocols?
(Choosetwo.)
•Theycanbeusedfordiscontiguoussubnets.
•Theycanforwardsupernetroutesinroutingupdates.
•Theycannotimplementclassfulroutesinroutingtables.
•Theyuseonlyahopcountmetric.
•Theydonotincludethesubnetmaskinroutingupdates.
26.Refertotheexhibit.Howmanyroutesarechildroutes?
•1
•3
•4
•6
27.ArouterhasEIGRPconfiguredastheonlyroutingprotocol.InwhattwowaysdoesEIGRPrespondifthereisnofeasiblesuccessorroutetoadestinationnetworkandthesuccessorroutefails?
(Choosetwo.)
•Itbroadcastshellopacketstoallroutersinthenetworktore-establishneighboradjacencies.
•Itsendsqueriestoadjacentneighborsuntilanewsuccessorrouteisfound.
•
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