ExamQUESTIONRefertotheexhibit.WhatwillRouter1dowhenitreceivesthedataframeshown?(ChooseRouter1willstripoffthesourceMACaddressandreceitwiththeMACaddressRouter1willstripoffthesourceIPaddressandreceitwiththeIPaddressRouter1willstripoffthedestinationMACaddressandreceitwiththeMACaddressRouter1willstripoffthedestinationIPaddressandreceitwiththeIPaddressofRouter1willforwardthedatapacketoutinterfaceRouter1willforwardthedatapacketoutinterfaceCorrectAnswer:ACFSection:part1鴻鵠 QUESTIONRefertotheexhibit.WhichthreestatementscorrectlydescribeNetworkDeviceA?(ChooseWithanetworkwidemaskof28,eachinterfacedoesnotrequireanIPWithanetworkwidemaskof28,eachinterfacedoesrequireanIPaddressonauniqueIPsubnet.Withanetworkwidemaskof,mustbeaLayer2deviceforthePCstocommunicatewitheachother.Withanetworkwidemaskof,mustbeaLayer3deviceforthePCstocommunicatewitheachother.Withanetworkwidemaskof,eachinterfacedoesnotrequireanIPCorrectAnswer:BDESection:part1QUESTIONWhichlayerintheOSIreferencemodelisresponsiblefordeterminingtheavailabilityofthereceivingprogramandcheckingtoseeifenoughresourcesexistforthatcommunication?CorrectAnswer:ESection:part1QUESTIONWhichofthefollowingdescribestherolesofdevicesinaWAN?(ChooseACSU/DSUterminatesadigitallocalAmodemterminatesadigitallocalACSU/DSUterminates oglocalAmodemterminates oglocalArouteriscommonlyconsideredaDTEArouteriscommonlyconsideredaDCECorrectAnswer:ADESection:part1QUESTIONRefertotheexhibit,HostAsinterfaceS0/0onrouter3,whatistheTTLvalueforthatCorrectAnswer:ASection:part1QUESTIONAnetworkadministratorisverifyingtheconfigurationofanewlyinstalledhostbyestablishinganFTPconnectiontoaremoteserver.Whatisthehighestlayeroftheprotocolstackthattheneworkadministratorisusingforthisoperation?dataCorrectAnswer:ASection:part1QUESTIONRefertotheexhibit.AfterHostAsHostB,whichentrywillbeintheARPcacheofHostAtosupportthisCorrectAnswer:DSection:part1 考題分析：這道題考的是局域網(wǎng)ARP的請(qǐng)求。HostA要HostB，首先HostA需要封裝包，而封裝包需要HostA和HostB的二、三層地址的信息。然而HostA不知道HostB的二層地址，這樣HostA就會(huì)向局域網(wǎng)發(fā)送Arp請(qǐng)求，來(lái)請(qǐng)求HostB的二層地址。網(wǎng)關(guān)收到HostA的Arp請(qǐng)求后，發(fā)現(xiàn)HostB是其他網(wǎng)段的地址，這樣網(wǎng)關(guān)會(huì)啟用Arp的功能，將自己的二層地址應(yīng)答給HostA。HostA收到應(yīng)答包后會(huì)對(duì)本地的ARP緩存進(jìn)行更新，將應(yīng)答方的IP和MAC地址在ARP緩存中，同時(shí)完成包的封裝。網(wǎng)關(guān)在收到鴻鵠 QUESTIONAnetworkinterfaceporthascollisiondetectionandcarriersensingenabledonasharedtwistedpairnetwork.Fromthisstatement,whatisknownaboutthenetworkinterfaceport?Thisisa10Mb/sswitchThisisa100MbsswitchThisisanEthernetportoperatingathalfThisisanEthernetportoperatingatfullThisisaportonanetworkinterfacecardinaCorrectAnswer:CSection:part1QUESTIONAreceivinghostcomputesthechecksumonaframeanddeterminesthattheframeisdamaged.Theframeisthendiscarded.AtwhichOSIlayerdidthishappen?dataCorrectAnswer:DSection:part1QUESTIONWhichofthefollowingcorrectlydescribestepsintheOSIdataencapsulationprocess?(ChooseThetransportlayerdividesadatastreamintosegmentsandmayaddreliabilityandflowcontrolThedatalinklayeraddsphysicalsourceanddestinationaddressesandanFCStothePacketsarecreatedwhenthenetworklayerencapsulatesaframewithsourceanddestinationhostaddressesandprotocol-relatedcontrolinformation.PacketsarecreatedwhenthenetworklayeraddsLayer3addressesandcontrolinformationtoaThepresentationlayertranslatesbitsintovoltagesfortransmissionacrossthephysicalCorrectAnswer:ADSection:part1傳輸層將數(shù)據(jù)分段，并且加入flowcontrol等信息。在網(wǎng)絡(luò)層就將數(shù)據(jù)進(jìn)行打包，并加上ip包頭，鏈路層。將鴻鵠 QUESTIONRefertothegraphic.HostAiscommunicatingwiththeseiver.WhatwillbethesourceMACaddressoftheframesreceivedbyHostAfromtheserver?theMACaddressoftheseivernetworktheMACaddressofhosttheMACaddressofrouterinterfaceetheMACaddressofrouterinterfaceCorrectAnswer:DSection:part1QUESTIONRefertotheexhibit.WhattworesultswouldoccurifthehubweretoberecedwithaswitchthatisconfiguredwithoneEthernetVLAN?(choosetwo)Thenumberof swouldThenumberof swouldThenumberof swouldremaintheThenumberof swouldremaintheThenumberof swouldCorrectAnswer:BCSection:part1hub不可以域，所有端口同一個(gè)域中，交換機(jī)可以域，每個(gè)端口在不同域中，故換換機(jī)域個(gè)數(shù)會(huì)增加，大小會(huì)減小，而hub交換機(jī)都不可廣播域所有端口都在同一個(gè)廣播D域數(shù)量不QUESTIONWhichthreestatementsaccuraydescribelayer2Ethernetswitches?(chooseMicrosegmentationdecreasesthenumberofcollisionsontheifaswitchreceivesaframeforanunkowndestination,itusesARPtoresolvetheSpanningTreeProtocolallowsswitchestoautomaticallysharevlanInaproperlyfunctioningnetworkwithredundantswitchedpaths,eachswitchedaegmentwillonerootbridgewithallitsportsintheforwardingstate.Allotherswitchesinthatbroadcast haveonlyonerootport.Establishingvlansincreasesthenumberof Switchesthatareconfiguredwithvlansmakeforwardingdecisionsbasedonbothlayer2andlayer3addressinformation.CorrectAnswer:ADESection:part1QUESTIONWheredoesroutingoccurwithintheDoDTCP/IPreferenceCorrectAnswer:BSection:part1QUESTIONWhichdestinationaddresseswillbeusedbyHostAtosenddatatoHostC?(ChoosetheIPaddressofSwitchtheMACaddressofSwitchtheIPaddressofHosttheMACaddressofHosttheIPaddressoftherouter'sE0theMACaddressoftherouter'sE0CorrectAnswer:CFSection:part1QUESTIONForwhattwopurposesdoestheEthernetprotocolusephysicaladdresses?(ChoosetouniquelyidentifydevicesatLayertoallowcommunicationwithdevicesonadifferenttodifferentiateaLayer2framefromaLayer3toestablishaprioritysystemtodeterminewhichdevicegetstotransmittoallowcommunicationbetweendifferentdevicesonthesametoallowdetectionofaremotedevicewhenitsphysicaladdressisCorrectAnswer:AESection:part1 鴻 QUESTIONRefertotheexhibit.Basedontheinformationgiven.WhichswitchwillbeelectedrootbridgeandSwitchA,becauseithasthelowestMACSwitchC,becauseithasthelowestSwitchB,becauseithasthehighestMACSwitchC,becauseitisthemostcentrallylocatedSwitchA,becauseitisthemostcentrallylocatedSwitchD,becauseithasthehighestCorrectAnswer:Section:partQUESTIONWhatvalueisprimarilyusedtodeterminewhichport estherootportoneachnonrootswitchinaspanning-treetopology?lowestportMACportprioritynumberandMACVTPrevisionhighestportprioritypathCorrectAnswer:ESection:part1 QUESTIONRefertotheexhibit.Switch-1needstosenddatatoahostwithaMACaddressof00b0.d056.efa4.WhatwillSwitch-1dowiththisdata?switch-1willdropthedatabecauseitdosenothaveanentryforthatMACswitch-1willfloodthedataoutallofitsportfromwhichthedataswitch-1willforwardthedatatoitsdefaultswitch-1willsendanARPrequestoutallitsportsexcepttheportfromwhichthedataCorrectAnswer:BSection:part1答案 Switch-1willdropthedatabecauseitdoesnothaveanentryforthatMACaddress.(Switch-1會(huì)丟棄該Switch-1willfloodthedataoutallofitsportsexcepttheportfromwhichthedataoriginated.(Switch-1會(huì)Switch-1willsendanARPrequestoutallitsportsexcepttheportfromwhichthedataoriginated.Switch-1willforwardthedatatoitsdefaultgateway.(Switch-1會(huì)往默認(rèn)網(wǎng)關(guān)發(fā)送該數(shù)據(jù)QUESTIONWhatisthefunctionofthecommandswitchporttrunknativevlan999onaItdesignatesVLAN999foruntaggedItblocksVLAN999trafficfrompassingontheItcreatesaVLAN999ItdesignatesVLAN999asthedefaultforallunkowntaggedCorrectAnswer:ASection:part1QUESTIONWhichtwoprotocolsareusedbybridgesand/orswitchestopreventloopsinalayer2network?(ChooseCorrectAnswer:ADSection:part1QUESTIONWhichswitchwouldSTPchoose etherootbridgeintheselectionCorrectAnswer:ASection:part1 QUESTIONAswitchisconfiguredwithallportsassignedtovlan2withfullduplexFastEthernettosegmentexistingdepartmentaltraffic.WhatistheeffectofaddingswitchportstoanewVLANontheswitch?More swillbeIPaddressutilizationwillbemoreMorebandwidthwillberequiredthanwasneededAnadditional willbeCorrectAnswer:DSection:part1QUESTIONWhatarethreebenefitsofimplementingvlans?(chooseAmoreefficientuseofbandwidthcanbeachievedallowingmanyphysicalgroupstousethesamenetworkinfrastructureBroadcaststormscanbemitigatedbydecreasingthenumberofbroadcast s,thusincreasingtheirsize.Ahigherlevelofnetworksecuritycanbereachedbyseparatingsensitivedatatrafficfromothernetworktraffic.Port-basedvlansincreaseswitch-portuseefficient,thanksto802.1QAmoreefficientuseofbandwidthcanbeachievedallowingmanylogicalnetworkstousethesamenetworkinfrastructure.Broadcaststormscanbemitigatedbyincreasingthenumberofbroadcast s,thusreducingtheirVLANsmakeiteasierforITstafftoconfigurenewlogicalgroups,becausethevlansallbelongtothesamebroadcast CorrectAnswer:CEFSection:part1Dthanksto802.1Qtrunks不正確E正確，logical是邏輯的意思鴻鵠 QUESTIONWhichIEEEstandardprotocolisinitiatedasaresultofsuccessfulDTPcompletioninaswitchoverCorrectAnswer:CSection:part1動(dòng)態(tài)中繼協(xié)議DTP，是VLAN組中思科的私有協(xié)議，主要用于協(xié)商兩臺(tái)設(shè)備間鏈的中繼過(guò)程及中繼封裝802.1Q類型。QUESTIONWhichofthefollowingarebenefitsofVLANs?(ChooseTheyincreasethesizeofcollisionTheyallowlogicalgrouofusersbyTheycanenhancenetworkTheyincreasethesizeof swhiledecreasingthenumberof Theyincreasethenumberof swhiledecreasingthesizeofthe TheysimplifyswitchCorrectAnswer:BCESection:part1 鴻鵠 QUESTIONRefertotheexhibit.AtechnicianhasinstalledSwithchBandneedstoconfigureitforremoteaccessfromthemanagementworkstationconnectedSwitchAWhichsetofcommandsisrequiredto plishthisSwitchB(config)#interfaceFastEthernet0/1SwitchB(config)#ipaddress52SwitchB(config)#noshutdownSwitchB(config)#interfacevlanSwitchB(config)#ipaddress52SwitchB(config)#noshutdownSwitchB(config)#interfacevlanSwitchB(config)#ipdefault-gateway54SwitchB(config)#noshutdownSwitchB(config)#interfacevlan1SwitchB(config)#ipaddress52SwitchB(config)#noshutdownCorrectAnswer:BSection:part1 想 QUESTIONInanEthernetnetwork,underwhattwoscenarioscandevicestransmit?(ChoosewhentheyreceiveaspecialwhenthereisawhentheydetectnootherdevicesarewhenthemediumiswhentheservergrantsCorrectAnswer:CDSection:part1鴻鵠 QUESTIONWhichtwostatesaretheportstateswhenRSTPhasconverged?(chooseCorrectAnswer:CDSection:part1QUESTIONWhichtwocommandscanbeusedtoverifyatrunklinkconfigurationtstatusonagivenciscoswitch?(choosetwo)showinterfacesshowinterfacesshowinterfacesshowipinterfaceshowinterfacesCorrectAnswer:BCSection:part1查看trunk命令，showinterfacetrunk和showinterfaceswitchport，只能選QUESTIONWhichcommandenablesRSTPonaspanning-treemoderapid-spanning-treemodeCorrectAnswer:ASection:part1QUESTIONWhichofthefollowingstatementsdescribethenetworkshowninthegraphic?(ChooseTherearetwo sintheTherearefour sintheTherearesix sintheTherearefour sintheTherearefive sintheTherearesevencollisionsintheCorrectAnswer:Section:partQUESTIONRefertotheAllswitchportsareassignedtothecorrectVLANs,butnoneofthehostsconnectedtoSwitchAcancommunicatewithhostsinthesameVLANconnectedtoSwitchB.Basedontheoutputshown,whatisthemostlikelyproblem?TheaccesslinkneedstobeconfiguredinmultipleThelinkbetweentheswitchesisconfiguredinthewrongThelinkbetweentheswitchesneedstobeconfiguredasaVTPisnotconfiguredtocarryVLANinformationbetweentheSwitchIPaddressesmustbeconfiguredinorderfortraffictobeforwardedbetweentheCorrectAnswer:CSection:part1QUESTIONRefertotheexhibit.GiventheoutputshownfromthisCiscoCatalyst2950,whatisthemostlikelyreasonthatinterfaceFastEthernet0/10isnottherootportforVLAN2?ThisswitchhasmorethanoneinterfaceconnectedtotherootnetworksegmentinVLANThisswitchisrunningRSTPwhiletheelecteddesignatedswitchisrunning802.1dSpanningThisswitchinterfacehasahigherpathcosttotherootbridgethananotherintheThisswitchhasalowerbridgeIDforVLAN2thantheelecteddesignatedCorrectAnswer:CSection:part1鴻鵠 QUESTIONWhywillaswitchneverlearnabroadcastBroadcastframesareneversenttoBroadcastaddressesuseanincorrectformatfortheswitchingAbroadcastaddresswillneverbethesourceaddressofaBroadcastsonlyusenetworklayerAbroadcastframeisneverforwardedbyaCorrectAnswer:CSection:part1QUESTIONRefertotheexhibit.WhyhasthisswitchnotbeenelectedtherootbridgeforIthasmorethanoneinterfacethatisconnectedtotherootnetworkItisrunningRSTPwhiletheelectedrootbridgeisrunning802.1dspanningIthasahigherMACaddressthantheelectedrootIthasahigherbridgeIDthantheelectedrootCorrectAnswer:DSection:part1QUESTIONWhichtwolinkprotocolsareusedtocarrymultipleVLANsoverasinglelink?(ChooseCorrectAnswer:BDSection:part1QUESTIONassumingthedefaultswitchconfigurationwhichvlanrangecanbeaddedmodifiedandremovedonaciscoswitch?2through1through1through2throughCorrectAnswer:ASection:part1QUESTIONWhichstatementaboutvlanoperationonciscocatalystswitchesiswhenapacketisreceivedfroman802.1Qtrunk,thevlanidcanbedeterminedfromthesourceMACaddresstable.unkownunicastframesareretransmittedonlytotheportsthatbelongtothesameportsbetweenswitchesshouldbeconfiguredinaccessmodesothatvlanscanspanacrossthebroadcastandmulticastframesareretransmittedtoportsthatareconfiguredondifferentCorrectAnswer:BSection:part1QUESTIONRefertothetopologyshownintheexhibit.WhichportswillbeSTPdesignatedportsifallthelinksareoperatingatthesamebandwidth?(Choosethree.)SwitchA-SwitchA-SwitchB-SwitchB-SwitchC-SwitchC-CorrectAnswer:Section:partB的macB的倆端口為指定端口.A的F0/0和C的F0/0為根端口。A的mac較小，A的F0/1為指定QUESTIONRefertotheexhibit.HowshouldtheFastEthernet0/1portonthe2950modelswitchesthatareshownintheexhibitbeconfiguredtoallowconnectivitybetweenalldevices?TheportsonlyneedtobeconnectedbyacrossoverSwitchX(config)#interfaceFastEthernet0/1SwitchX(config-if)#switchportmodetrunkSwitchX(config)#interfaceFastEthernet0/1SwitchX(config-if)#switchportmodeaccessSwitchX(config-if)#switchportaccessvlan1SwitchX(config)#interfaceFastEthernet0/1SwitchX(config-if)#switchportmodetrunkSwitchX(config-if)#switchporttrunkvlan1SwitchX(config-if)#switchporttrunkvlan10SwitchX(config-if)#switchporttrunkvlan20CorrectAnswer:BSection:part1QUESTIONRefertotheexhibitAframeonvlan1onswitchs1issenttoswitchs2whentheframeisreceivedonvlan2,whatcausesthisbehavior?trunkmodevlansthatdonotcorrespondtoauniqueIPnativevlanallowingonlyvlan2ontheCorrectAnswer:CSection:part1QUESTIONWhichthreestatementsaboutRSTParetrue?(chooseRSTPsignificantlyreducestopologyreconvergingtimeafteralinkRSTPexpendstheSTPportrolesbyaddingthealternateandbackupRSTPalsousestheSTPproprsal-agreementRSTPusethesametimer-baseedprocessasSTPonpoint-to-pointRSTPprovidesafastertransitiontotheforwardingstateonpoint-to-pointlinksthanSTPCorrectAnswer:ABFSection:part1QUESTIONAtwhichlayeroftheOSImodelisRSTPusedtopreventdataCorrectAnswer:ASection:part1QUESTIONWhatdoseaLayer2switchusetodecidewheretoforwardareceivedsourceMACsourceIPsourceswitchdestinationIPdestinationportdestinationMACCorrectAnswer:FSection:part1QUESTIONRefertotheexhibit.WhichstatementisTheFa0/11roleconfirmsthatSwitchAistherootbridgeforVLANVLAN20isrunningthePerVLANSpanningTreeTheMACaddressoftherootbridgeisSwitchAisnottherootbridge,becausenotalloftheinterfacerolesareCorrectAnswer:DSection:part1QUESTIONWhichtwobenefitsareprovidedbycreatingVLANs?(ChooseaddedprovidesallowsswitchestoroutetrafficbetweencontainsCorrectAnswer:ACSection:part1QUESTIONWhichcommandcanbeusedfromaPCtoverifytheconnectivitybetweenhoststhatconnectthroughaswitchinthesameLAN?addresstracerttraceroutearpCorrectAnswer:ASection:part1QUESTIONBasedonthenetworkshowninthegraphicwhichoptioncontainsthepotentialnetworkingproblemandprotocolorsettingthatcantopreventtheproblem?Routingloops,holddownSwitchingloops,splitRoutingloops,splitSwitchingloops,Routingloops,Switchingloops,CorrectAnswer:FSection:part1QUESTIONRefertotheexhibit.WhichtwostatementsaretrueaboutinterVLANroutinginthetopologythatisshownintheexhibit?(Choosetwo.)HostEandhostFusethesameIPgatewayRouter1andSwitch2shouldbeconnectedviaacrossoverRouter1willnotyaroleincommunicationsbetweenhostAandhostTheFastEthernet0/0interfaceonRouter1mustbeconfiguredwithRouter1needsmoreLANinterfaces modatetheVLANsthatareshownintheTheFastEthernet0/0interfaceonRouter1andSwitch2trunkportsmustbeconfiguredusingthesameencapsulationtype.CorrectAnswer:DFSection:part1考點(diǎn)分析：這道題考的是v間的路由，用的是單臂路由的拓?fù)淠Ｐ?。此拓?fù)淠Ｐ褪怯陕酚善鱽?lái)完成v間數(shù)據(jù)流量的轉(zhuǎn)發(fā)。如圖，t不需要的接口，它只需要在F/口上創(chuàng)建的子接口來(lái)完成對(duì)更多vF。鴻鵠 QUESTIONWhichtwoofthesearecharacteristicsofthe802.1Qprotocol?(chooseitisalayer2messagingprotocolwhichmaintainsvlanconfigurationsacrossitincludesan8-bitfieldwhichspecifiesthepriorityofaitisusedexclusivelyfortaggingvlanframesanddosenotaddressnetworkreconvergencefollowingswitchednetworktopologychanges.itmodifiesthe802.3frameheader,andthusrequiresthattheFCS itisatrunkingprotocolcapableofcarringuntaggedCorrectAnswer:DESection:part2QUESTIONRefertotheexhibit.Eachofthesefourswitcheshasbeenconfiguredwithahostname,aswellasbeingconfiguredtorunRSTP.Nootherconfigurationchangeshavebeenmade.WhichthreeoftheseshowthecorrectRSTPportrolesfortheindicatedswitchesandinterfaces?(Choosethree.)SwitchA,Fa0/2,SwitchA,Fa0/1,SwitchB,Gi0/2,SwitchB,Gi0/1,SwitchC,Fa0/2,SwitchD,Gi0/2,CorrectAnswer:ABFSection:part2判斷非根橋上的跟端口。在同一個(gè)交換機(jī)上，到根網(wǎng)橋的cost較小的那個(gè)端口會(huì)成為rootport。所以SwitchAFa0/1，SwitchDGi0/2，SwitchBGi0/1會(huì)成為相應(yīng)交換機(jī)上的RP。鴻鵠 QUESTIONRefertotheexhibit.Thenetworkadministratornormallyestablishesa netsessionwiththeswitchfromhostA.However,hostAisunavailable.Theadministrator′sattempttotheswitchfromhostBfails,butstotheothertwohostsaresuccessful.whatistheissue?HostBandtheswitchneedtobeinthesameTheswitchneedsandappropriatedefaultgatewayTheswitchinterfaceconnectedtotherouterisHostBneedtobeassignedanIPaddressinvlanTheswitchinterfacesneedtheappropriateIPaddressesCorrectAnswer:BSection:part2 QUESTIONRefertotheexhibit.Whatswitchprovesthespanning-treedesignatedportroleforthenetworksegmentthatservicestheprinters?CorrectAnswer:CSection:part2QUESTIONWhatisonebenefitofPVST+reducestheCPUcyclesforalltheswitchesinthePVST+automaticallyselectstherootbridgelocation,toprovideoptimizedbandwidthPVST+allowtherootswitchlocationtobeoptimizedperPVST+supportsLayer3loadbalancingwithoutCorrectAnswer:CSection:part2鴻鵠 QUESTIONWhicharevalidmodesforaswitchportusedasaVLANtrunk?(ChooseCorrectAnswer:BCDSection:part2以下哪些是vlantrunk端口的有效模式QUESTIONHowmanybroadcast sareshowninthegraphicassumingonlythedefaultvlanisconfiguredontheswitches?CorrectAnswer:ASection:part2QUESTIONWhichthreeofthesestatementsregarding802.1Qtrunkingarecorrect?(Choose802.1QnativeVLANframesareuntaggedby802.1Qtrunkingportscanalsobesecure802.1Qtrunkscanuse10Mb/sEthernet802.1Qtrunksrequirefull-duplex,point-to-point802.1QtrunksshouldhavenativeVLANsthatarethesameatbothCorrectAnswer:ACESection:part2QUESTIONRefertotheexhibit.Theoutputthatisshownisgeneratedataswitch.Whichthreeofthesestatementsaretrue?(Choosethree.)Allportswillbeinastateofdiscarding,learning,orThiryVLANshavebeenconfiguredonthisThebridgepriorityislowerthanthedefaultvalueforspanningAllinterfacesthatareshownareonsharedAlldesignatedportsareinaforwardingTheswitchmustbetherootbridgeforallVLANsonthisCorrectAnswer:ACESection:part2QUESTIONRefertotheexhibit.AttheendofanRSTPelectionprocess,whichaccesslayerswitchportwillassumethediscardingrole?Switch3,portSwitch3,portSwitch4,portSwitch4,portSwitch3,portSwitch3,portCorrectAnswer:CSection:part2QUESTIONWhichtermdescribesaspanning-treenetworkthathasallswitchportsineithertheblockingorforwardingCorrectAnswer:DSection:part2QUESTIONWhatarethepossibletrunkingmodesforaswitchport?(ChooseCorrectAnswer:BCDSection:part2鴻鵠 QUESTIONWhichtwoofthesestatementsregardingRSTParecorrect?(ChooseRSTPcannotoperatewithRSTPdefinesnewportRSTPdefinesnonewportRSTPisaproprietaryimplementationofIEEE802.1DRSTPiscompatiblewiththeoriginalIEEE802.1DCorrectAnswer:BESection:part2QUESTIONRefertotheexhibit.Whichtwostatementsaretrueoftheinterfacesonswitch1?(chooseAhubisconnecteddirectlytoFastEthernet0/1isconfiguredasatrunkFastEthernet0/5hasstaticallyassignedmacInterfaceFastEthernet0/2hasbeenMultipledevicesareconnecteddirectlytoFastEthernet0/1isconnectedtoahostwithmultiplenetworkinterfaceCorrectAnswer:ABSection:part2QUESTIONThreeswitchesareconnectedtooneantherviatrunkports.Assumingthedefaultswitchconfiguration,whichswitchiselectedastherootbridgeforthespanning-treeinstanceofvlan1?theswitchwiththelowestMACtheswitchwiththehigestMACtheswitchwitchthehigestIPtheswitchwiththelowestIPCorrectAnswer:ASection:part2QUESTIONWhatarethreeadvantagesofVLANs?(ChooseVLANsestablish sinswitchedVLANsutilizepacketfilteringtoenhancenetworkVLANsprovideamethodofconservingIPaddressesinlargeVLANsprovidealow-latencyinternetworkingalternativetoroutedVLANsallowaccesstonetworkservicesbasedondepartment,notphysicalVLANscangreatlysimplifyadding,moving,orchanginghostsontheCorrectAnswer:AEFSection:part2鴻鵠 QUESTIONWhichtwobenefitsareprovidedbyusingahierarchicaladdressingnetworkaddressingscheme?(Choosereducesroutingtableauto-negotiationofmediaefficientutilizationofMACeaseofmanagementandCorrectAnswer:AESection:part2QUESTIONWhatisthealternativenotationfortheIPV6addressCorrectAnswer:CSection:part2QUESTIONRefertothediagram.Allhostshaveconnectivitywithoneanother.Whichstatementsdescribetheaddressingschemethatisinuseinthenetwork?(Choosethree.)ThesubnetmaskinuseisThesubnetmaskinuseisTheIPaddress5canbeassignedtohostsinTheIPaddress05canbeassignedtohostsinTheLANinterfaceoftherouterisconfiguredwithoneIPTheLANinterfaceoftherouterisconfiguredwithmultipleIPCorrectAnswer:BCFSection:part2鴻鵠 QUESTIONWhichtwostatementsdescribecharacteristicsofIPv6unicastaddressing?(ChooseGlobaladdressesstartwithLink-localaddressesstartwithLink-localaddressesstartwithThereisonlyoneloopbackaddressanditisIfaglobaladdressisassignedtoaninterface,thenthatistheonlyallowableaddressfortheCorrectAnswer:ADSection:part2QUESTIONthenetworkadministratorhasbeenaskedtogivereasonsformovingfromipv4toipv6.whataretwovalidreasonsforadoptingipv6overipv4?(choosetwo)netaccessdoesnotrequireanochanageofdestinationaddressintheipv6chanageofsourceaddressintheipv6CorrectAnswer:CFSection:part2,QUESTIONAnadministratormustassignstaticIPaddressestotheserversinanetwork.Fornetwork4/29,therouterisassignedthefirstusablehostaddresswhilethesalesserverisgiventhelastusablehostaddress.WhichofthefollowingshouldbeenteredintotheIPpropertiedboxforthesalesCorrectAnswer:CSection:part2QUESTIONWhichsubnetmaskwouldbeappropriateforanetworkaddressrangetobesubnettedforuptoeightLANs,witheachLANcontaining5to26hosts?CorrectAnswer:DSection:part2QUESTIONHowmanybitsarecontainedineachfieldofanIPv648CorrectAnswer:DSection:part2QUESTIONWhichthreeapproachescanbeusedwhilemigratingfromanIPV4addressingschemetoanIPV6scheme.(choosethree)staticallymapIPV4addresstoIPV6configurationIPv4tunnelsbetweenIPV6useDHCPv6tomapIPV4addressestoIPV6 ingandtranslationtotranslateIPV6packetsintoIPV4configureIPV6CorrectAnswer:ABFSection:part2鴻鵠 QUESTIONRefertotheexhibit.InthisVLSMaddressingscheme,whatsummaryaddresswouldbesentfromrouterCorrectAnswer:ASection:part2QUESTIONHowisanEUI-64formatinterfaceIDcreatedfroma48-bitMACbyappending0xFFtotheMACbyprefixingtheMACaddresswithbyprefixingtheMACaddresswith0xFFandappending0xFFtobyinserting0xFFFEbetweentheupperthreebytesandthelowerthreebytesoftheMACbyprefixingtheMACaddresswith0xFandinserting0xFaftereachofitsfirstthreeCorrectAnswer:DSection:part2鴻鵠 QUESTIONRefertotheexhibit.WhichisthemostefficientsummarizationthatR1canusetoadvertiseitsnetworkstoCorrectAnswer:ASection:part2QUESTIONWhichoptionisavalidIPv6CorrectAnswer:DSection:part2QUESTIONWhichthreearecharacteristicsofanIPV6anycastaddress?(choosedeliveryofpacketstothegroupinterfacethatisclosesttothesendingthesameaddressformultipledevicesintheauniqueIPV6addressforeachdeviceintheCorrectAnswer:BDESection:part2鴻鵠 QUESTIONAnationalretailchainneedstodesignanIPaddressingschemetosupportanationwidenetwork.Theneedsaminimumof300sub-networksanda umof50hostaddressespersubnet.WorkingwithonlyoneClassBaddress,whichofthefollowingsubnetmaskswillsupportanappropriateaddressingscheme?(Choosetwo.)CorrectAnswer:BESection:part2鴻鵠 QUESTIONRefertotheexhibit.AnetworkadministratorisaddingtwonewhoststoSwitchA.Whichthreevaluescouldbeusedfortheconfigurationofthesehosts?(Choosethree.)hostAIPaddress:hostAIPaddress:hostAdefaultgateway:hostBIPaddress:hostBdefaultgateway:hostBIPaddress:CorrectAnswer:ACFSection:part2考點(diǎn)分析：A接Port6口，Port6口屬于vlan10，所以A屬于網(wǎng)段4/27，且網(wǎng)關(guān)是8；B接Port9口，Port9口屬于vlan20，所以B屬于網(wǎng)段28/26，網(wǎng)關(guān)是30；單臂路由的鴻鵠 QUESTIONWhichIPv6addressistheall-routermulticastCorrectAnswer:BSection:part2鴻鵠 QUESTIONwhichaddressrangeefficientlysummarizestheroutingtableoftheaddressesforrouterCorrectAnswer:Section:partQUESTIONWhichIPv6addressisCorrectAnswer:ASection:part2QUESTIONWichcommandcanyouusetomanuallyassignastaticIPV6addresstoarouteripv6addressipv6autoconfigipv6ipv6addressCorrectAnswer:DSection:part2IPv6在路由器上設(shè)址QUESTIONWhichoftheserepresentsanIPv6link-localCorrectAnswer:CSection:part2QUESTIONThenetworkadministratorisaskedtoconfigure113point-to-pointlinks.WhichIPaddressingschemebestdefinestheaddressrangeandsubnetmaskthatmeettherequirementandwastethefewestsubnetandhostaddresses?/18subnettedwithmask/25subnettedwithmask/24subnettedwithmask/23subnettedwithmask/16subnettedwithmaskCorrectAnswer:DSection:part2QUESTIONAciscorouterisbootingandhasjustcompletedthePOSTprocess.ItisnowreadytofindandloadanIOSimage.whatfunctiondoestherouterperformnext?ItcheckstheconfigurationItattemptstobootfromaTFTPItloadsthefirstimagefileinflashItinspectstheconfigurationfileinNVRAMforbootCorrectAnswer:ASection:part2QUESTIONRefertotheexhibit.WhatisthemeaningoftheoutputMTU1500 umnumberofbytesthatcantraversethisinterfacepersecondisTheminimumsegmentsizethatcantraversethisinterfaceis1500Theminimumsegmentsizethatcantraversethisinterfaceis1500Theminimumpacketsizethatcantraversethisinterfaceis1500 umpacketsizethatcantraversethisinterfaceis1500 umframesizethatcantraversethisinterfaceis1500CorrectAnswer:ESection:part2QUESTIONOncorporatenetwork,hostsonthesameVLANcancommunicatewitheachother,buttheyareunabletocommunicatewithhostsondifferentVLANs.WhatisneededtoallowcommunicationbetweentheVLANs?arouterwithsubinterfacesconfiguredonthephysicalinterfacethatisconnectedtothearouterwithanIPaddressonthephysicalinterfaceconnectedtotheaswitchwithanaccesslinkthatisconfiguredbetweentheaswitchwithatrunklinkthatisconfiguredbetweentheCorrectAnswer:ASection:part2鴻鵠 QUESTIONWhichcommanddisysCPUshowshowshowshowCorrectAnswer:BSection:part2QUESTIONWhattwothingswillarouterdowhenrunningadistancevectorroutingprotocol?(ChooseSendperiodicupdatesregardlessoftopologySendentireroutingtabletoallroutersintheroutingUsetheshortest-pathalgorithmtothedeterminebestUpdatetheroutingtablebasedonupdatesfromtheirMaintainthetopologyoftheentirenetworkinitsCorrectAnswer:ADSection:part2 鴻 QUESTIONWhichcommandisusedtodisythecollectionofOSPFlinkshowipospflsashowipospflink-showipospfshowipospfCorrectAnswer:DSection:part2showipospfdatabase顯示詳細(xì)的LSA鴻鵠 QUESTIONThetechnicianwantstoThetechnicianwantstouploadanewIOSintherouterwhiletheexistingIOS.WhatisumsizeofanIOSfilethatcouldbeloadediftheoriginalIOSisalsokeptin34578CorrectAnswer:BSection:part2 鴻鵠 QUESTIONRefertotheexhibit.T