cisco ccnp 642-813 模拟试题与答案.docx

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1、CiscoCCNP842-813examQuestion:1useslayer3switchesintheCoreoftheirnetwork.WhichmethodofLayer3switchingusesaforwardinginformationbase(FIB)?A.Topology-basedswitchingB.Demand-basedswitchingC.RoutecachingD.Flow-basedswitchingE.NoneoftheotheralternativesapplyAnswer:AQuestion:2Y

2、ouneedtodesigntheVLANschemeforthenetwork.WhichtwostatementsaretrueaboutbestpracticesinVLANdesign?(Selecttwo)A.RoutingshouldoccurattheaccesslayerifvoiceVLANsareutilized.Otherwise,routingshouldoccuratthedistributionlayer.B.Routingshouldalwaysbeperformedatthedistributionlay

3、er.C.VLANsshouldbelocalizedtoaswitch.D.VLANsshouldbelocalizedtoasingleswitchunlessvoiceVLANsarebeingutilized.E.RoutingshouldnotbeperformedbetweenVLANslocatedonseparateswitches.Answer:B,CQuestion:3IfyouneededtotransporttrafficcomingfrommultipleVLANs(connectedbetweenswitch

4、es),andyourCTOwasinsistentonusinganopenstandard,whichprotocolwouldyouuse?A.802.11BB.spanning-treeC.802.1QD.ISLE.VTPF.Q.921Answer:CQuestion:4UnderwhatcircumstancesshouldanadministratorpreferlocalVLANsoverend-to-endVLANs?A.EightypercentoftrafficonthenetworkisdestinedforInt

5、ernetsites.B.Therearecommonsetsoftrafficfilteringrequirementsforworkgroupslocatedinmultiplebuildings.C.Eightypercentofaworkgroup’strafficistotheworkgroup’sownlocalserver.D.UsersaregroupedintoVLANsindependentofphysicallocation.E.NoneoftheotheralternativesapplyAnswer:AQues

6、tion:5Whataresomevirtuesofimplementingend-to-endVLANs?(Choosetwo)A.End-to-endVLANsareeasytomanage.B.UsersaregroupedintoVLANsindependentofaphysicallocation.C.EachVLANhasacommonsetofsecurityandresourcerequirementsforallmembers.D.Resourcesarerestrictedtoasinglelocation.Answ

7、er:B,CQuestion:6Whichofthefollowingstatementsistrueaboutthe80/20rule(Selectallthatapply)?A.20percentofthetrafficonanetworksegmentshouldbelocalB.nomorethan20percentofthenetworktrafficshouldbeabletomoveacrossabackbone.C.nomorethan80percentofthenetworktrafficshouldbeabletom

8、oveacrossabackbone.D.80percentofthetrafficonanetworksegmentshouldbelocalAnswer:B,DQuestion:7TheLANisbec