E2Final1answer.docx

E2Final1answer.docx

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E2Final1answer

1

Whichtwostatementsaretrueforlink-stateroutingprotocols?

（Choosetwo.）

A.Routersthatrunalink-stateprotocolcanestablishacompletetopologyofthenetwork.

B.Routersinamultipointnetworkthatrunalink-stateprotocolcanexchangeroutingtables.

C.Routersuseonlyhopcountforroutingdecisions.

D.Theshortestpathfirstalgorithmisused.

E.Splithorizonisusedtoavoidroutingloops.

2

Refertotheexhibit.WhichsolutionprovidesthemostefficientuseofrouterresourcesforforwardingtrafficbetweenBRandHQ?

A.RIP

B.RIPv2

C.EIGRP

D.staticroutes

3

Refertotheexhibit.R1andR2areunabletoestablishanadjacency.Whattwoconfigurationchangeswillcorrecttheproblem?

（Choosetwo.）

A.SetalowerpriorityonR2.

B.Configuretheroutersinthesamearea.

C.SetalowercostonR2comparedtoR1.

D.Addabackupdesignatedroutertothenetwork.

E.Matchthehelloanddeadtimersonbothrouters.

4

TworoutersneedtobeconfiguredwithinasingleOSPFarea.Whichtwocomponentsneedtobeconfiguredonbothrouterstoachievethis?

（Choosetwo.）

A.thesameprocessID

B.thesameareaID

C.networkaddressesandwildcardmasks

D.thesamerouterID

E.thesameloopbackaddress

5

Refertotheexhibit.ThenetworkisusingtheRIPv2routingprotocol.Ifnetwork10.0.0.0goesdown,whatmechanismwillpreventRouter1fromadvertisingfalseroutinginformationbacktoRouter2?

A.triggeredupdates

B.poisonreverse

C.holddowntimers

D.splithorizon

6

WhichmulticastaddressdoesEIGRPusetosendhelloandupdatespackets?

A.224.0.0.5

B.224.0.0.6

C.224.0.0.9

D.224.0.0.10

7

Refertotheexhibit.ThenetworkisconfiguredforOSPFroutingwithdefaultsettings.Thebandwidthshavebeenconfiguredcorrectlyforeachlink.IftheT1linkbetweenrouterAandrouterEfails,whatpathwillapacketfromrouterAtaketoreachtheLANattachedtorouterFwhenthenetworkhasconverged?

A.A,B,C,F

B.A,B,C,E,F

C.A,D,G,E,F

D.A,D,G,H,F

8

Refertotheexhibit.RouterAandRouterBcannotsuccessfullyexchangeEIGRProutes.Whatistheproblem?

A.Thehellointervalsdonotmatch.

B.Theautonomoussystemnumbersdonotmatch.

C.Thenoauto-summarycommandismissingfrombothrouters.

D.Theipbandwidth-percentcommandismissingfromRouterB.

9

Whataretwofunctionsofarouter?

（Choosetwo.）

A.Itforwardsdatapacketstowardtheirdestination.

B.ItforwardsthepackettothedestinationiftheTTLvalueis0.

C.ItchangesthedestinationIPaddressofdatapacketsbeforeforwardingthemtoanexitinterface.

D.ItdeterminesthebestpathbasedonthedestinationMACaddress.

E.ItactsasanintersectionbetweenmultipleIPnetworks.

10

Whenconnectingtwodevices,whichsituationwouldnormallyrequiretheuseofacrossovercable?

A.connectingahosttoaswitch

B.connectingaswitchtoarouter

C.connectingaswitchtoaswitch

D.connectingahosttoarouterconsoleport

11

Refertotheexhibit.Whentroubleshootinganetwork,itisimportanttointerprettheoutputofvariousroutercommands.Onthebasisoftheexhibit,whichthreestatementsaretrue?

（Choosethree.）

A.ThemissinginformationforBlank1isthecommandshowiproute.

B.ThemissinginformationforBlank1isthecommanddebugiproute.

C.ThemissinginformationforBlank2isthenumber100.

D.ThemissinginformationforBlank2isthenumber120.

E.ThemissinginformationforBlank3istheletterR.

F.ThemissinginformationforBlank3istheletterC.

12

Whichroutercomponentcontainsascaled-downversionoftheIOSthatcanbeusedtoreloadacompleteversionoftheIOSintheeventthattheIOSbecomesdamagedorcorrupted?

A.ROM

B.Flash

C.SDRAM

D.NVRAM

13

ArouterhasEIGRPconfiguredastheonlyroutingprotocol.InwhatwaymightEIGRPrespondifthereisnofeasiblesuccessorroutetoadestinationnetworkandthesuccessorroutefails?

A.Itbroadcastshellopacketstoallroutersinthenetworktore-establishneighboradjacencies.

B.Itsendsqueriestoadjacentneighborsuntilanewsuccessorrouteisfound.

C.Itimmediatelysendsitsentireroutingtabletoitsneighbors.

D.Itwillsetthemetricforthefailedroutetoinfinity.

14

Refertotheexhibit.PingsarefailingbetweenHostAandHostB.ThenetworkadministratordiscoversthatRouter1doesnothavearoutetothe172.16.0.0network.AssumingRouter2isconfiguredcorrectly,whichtwostaticroutescouldbeconfiguredonRouter1toenableHostAtoreachnetwork172.16.0.0?

（Choosetwo.）

A.iproute172.16.0.0255.255.0.0S0/0

B.iproute172.16.0.0255.255.0.0S0/1

C.iproute172.16.0.0255.255.0.0192.168.0.1

D.iproute172.16.0.0255.255.0.0192.168.0.2

E.iproute192.168.0.1172.16.0.0255.255.0.0S0/0

F.iproute192.168.0.1172.16.0.0255.255.0.0S0/1

15

Whichroutingprotocolbydefaultusesbandwidthanddelaytocalculatethemetricofaroute?

A.RIPv1

B.RIPv2

C.OSPF

D.EIGRP

16

WhichstatementcorrectlydescribesafeatureofRIP?

A.RIPisalink-stateroutingprotocol.

B.RIPusesonlyonemetric—hopcount—forpathselection.

C.Advertisedrouteswithhopcountsgreaterthan10areunreachable.

D.Messagesarebroadcastevery10seconds.

17

Usingdefaultsettings,whatisthenextstepintherouterbootsequenceaftertheIOSloadsfromflash?

A.PerformthePOSTroutine.

B.SearchforabackupIOSinROM.

C.LoadthebootstrapprogramfromROM.

D.Loadtherunning-configfilefromRAM.

E.Locateandloadthestartup-configfilefromNVRAM.

18

WhatisasuccessorforadestinationnetworkinanEIGRPnetwork?

A.thenexthoponabackuproutewiththelargestfeasibledistancetothedestination

B.thenexthoponabackuproutewiththesmallestfeasibledistancetothedestination

C.thenexthopontheprimaryroutewiththelargestfeasibledistancetothedestination

D.thenexthopontheprimaryroutewiththesmallestfeasibledistancetothedestination

19

Refertotheexhibit.R1andR2areadjacentroutersbothrunningRIP.Allinterfacesonbothroutersarecorrectlyconfiguredandoperational.Bothroutersareconfiguredtoincludeallconnectedinterfacesinroutingupdates.R2isnotshowinganyroutesfromR1intheroutingtable.Whatisthelikelycause?

A.Theadjacentinterfacesarepassive.

B.Thedistanceof120exceeds15hops.

C.R2willnotacceptversion1updatesfromR1.

D.RoutesarebeingsummarizedbyR1butnotbyR2.

20

Refertotheexhibit.EIGRP1hasbeenconfiguredonR1.Whatistheeffectofconfiguringtheipbandwidth-percenteigrpcommand?

A.TheEIGRPbandwidthroutingmetricwillbereducedby30%.

B.EIGRP1protocoltrafficwillberestrictedto30%ofthelinkbandwidth.

C.PacketsthatareroutedbasedonEIGRProutingtableentrieswillbelimitedto30%ofthelinkbandwidth.

D.EIGRPtrafficwillbepermittedtoburstforshortperiodsto30%abovetheconfiguredlinkbandwidth.

21

Refertotheexhibit.Theshowcdpneighborscommandwasrunononeofthedevicesasshown.Basedonthisinformation,whichtwofactscanbedetermined?

（Choosetwo.）

A.Thecommandwasrunontherouter.

B.ABCDisanon-CISCOdevice.

C.Layer3connectivitybetweentwodevicesexists.

D.ABCDsupportsroutingcapability.

E.ABCDisconnectedtotheFa0/0interfaceoftheneighboringdevice.

22

Refertotheexhibit.WhichstatementistrueabouttheEthernetinterfacesshowninthenetwork?

A.AframeleavesinterfaceFa0/0ofR1withthesourceMACaddressas000C.3010.9260.

B.Hostson10.1.1.0/24willuse172.16.3.1/24astheirdefaultgateway.

C.ApacketwillnotbeforwardedbetweenR1andR2untilthenoshutdowncommandisissuedontheFa0/0interfaceofR1.

D.TheFa0/0interfaceofR2couldbeconfiguredwiththeIPaddress172.16.4.1/24andstillhaveconnectivityonthislink.

23

Refertotheexhibit.Onthebasisoftheshowrunning-configoutput,whichoptioncorrectlyreflectstheroutesthatwillbelistedintheR2routingtable?

D

A.

B.

C.

D.

24

Refertotheexhibit.AnetworkdesigneristestingaprototypeofWANconnections.AlloftheroutersintheexhibitareconfiguredforOSPFrouting.ThedesignrequiresthatthepathbetweenroutersAandDthroughISP-AistheprimaryandthepaththroughISP-Bserversasabackup.ThedesignernoticesthatrouterAhastwoequal-costpathstotheLANonrouterD.Howcanthedesignercorrectthisproblem?

A.Issueaclockrate2000000interfacecommandonS0/0/1ofrouterISP-B.

B.ChangethedefaultOSPFreferencebandwidthonrouterA.

C.Configuretwostaticrouteswithadministrativedistancesof10.

D.UsethebandwidthcommandtochangethedefaultbandwidthonthelinktorouterB.

25

Refertotheexhibit.WhichoptionwillprovidetheconfigurationthatisneededforrouterR1todynamicallylearnroutestothe192.168.100.16/28,192.168.100.32/28,and192.168.100.48/28subnetworks?

A.withstaticroutes

B.witharoutedprotocol

C.witharoutingprotocol

D.withdirectlyconnectedroutes

26

Refertotheexhibit.Whatisthemeaningofthehighlightedvalue120?

A.Itisthemetricthatiscalculatedbytheroutingprotocol.

B.ItisthevaluethatisusedbytheDUALalgorithmtodeterminethebandwidthforthelink.

C.Itistheadministrativedistanceoftheroutingprotocol.

D.Itisthehold-downtime,measuredinseconds,beforethenextupdate.

27

Refertotheexhibit.Theentire192.168.1.0networkhasbeenallocatedtoaddresshostsinthediagram.UtilizingVLSMwithcontiguousaddressblocks,whichsetofaddressesandprefixescouldbeusedtocreateanaddressingsolutionwithaminimumwasteofIPaddresses?

D

A