CCNAfanal2

Whichofthefollowingareprimaryfunctionsofarouter?(Choosetwo.)packetswitchingmicrosegmentationdomainnameresolutionpathselectionflowcontrol2WhichrangeofIPaddresseswillbeusedbyRIPv2,EIGRP,andOSPFroutingprotocolstosendroutingadvertisements?3Anetworkadministratorisinchargeoftwoseparatenetworksthatshareasinglebuilding.WhatdevicewillberequiredtoconnectthetwonetworksandaddacommonconnectiontotheInternetthatcanbeshared?hubrouteraccesspointEthernetswitch4AnetworkadministratorhasbeenaskedtoconfigureanetworkusingaclassfulIPaddressingscheme.WhichstatementistrueabouttheIPaddressingthatwillbeused?ClassfulIPaddressescanbeusedonlywhenstaticroutingisconfiguredinthenetwork.ClassfulIPaddressesallowthenetwork/hostboundarytooccuratanybitinthe32-bitaddress.ThesubnetmaskforclassfulIPaddressescanbedeterminedbythevalueofthefirstoctetoftheIPaddress.ClassfulIPaddressesrequirethesubnetmasktobeincludedintheroutingupdatesthatarepropagatedbytheclassfulroutingprotocols.5Refertotheexhibit.Routers1and2aredirectlyconnectedoveraseriallink.Pingsarefailingbetweenthetworouters.Whatchangebytheadministratorwillcorrecttheproblem?SettheencapsulationonbothrouterstoPPP.DecreasethebandwidthonSerial0/1/0onrouter2to1544.Changethecablethatconnectstherouterstoacrossovercable.ChangetheIPaddressonSerial0/1/0onrouter2to192.168.0.1/30.6Refertotheexhibit.TheroutersintheexhibitarerunningtheEIGRProutingprotocol.Whatstatementistrueregardinghowpacketswilltravelfromthe172.16.1.0/16networktothe192.168.200.0/24network?Therouterchoosesthefirstpaththatitlearnedandinstallsonlythatrouteintheroutingtable.Therouterchoosesthepathwiththelowestadministrativedistanceandinstallsonlythatrouteintheroutingtable.TherouterchoosesthehighestroutingIDbasedontheadvertisednetworkIPaddressesandinstallsonlythatrouteintheroutingtable.Therouterinstallsalltheequalcostpathsintheroutingtablebutsendspacketsoutonlyone,holdingtheothersinreserveincasetheprimaryroutegoesdown.Therouterinstallsalltheequalcostpathsintheroutingtableandperformsequalcostloadbalancingtosendpacketsoutmultipleexitinterfaces.7Refertotheexhibit.WhatwillhappenifinterfaceSerial0/0/1goesdownonRouter1?TheDijkstraalgorithmwillcalculatethefeasiblesuccessor.DUALwillqueryneighborsforaroutetonetwork192.168.1.0.Neighbor172.16.3.2willbepromotedtothefeasiblesuccessor.Trafficdestinedtothe192.168.1.0networkwillbedroppedimmediatelyduetolackofafeasiblesuccessor.8Whichstatementistrueaboutthemetricsusedbyroutingprotocols?Ametricisavalueusedbyaparticularroutingprotocoltocomparepathstoremotenetworks.Acommonmetricisusedbyallroutingprotocols.Themetricwiththehighestvalueisinstalledintheroutingtable.Theroutermayuseonlyoneparameteratatimetocalculatethemetric.9Arouterbootsandenterssetupmode.Whatisthereasonforthis?TheIOSimageiscorrupt.CiscoIOSismissingfromflashmemory.TheconfigurationfileismissingfromNVRAM.ThePOSTprocesshasdetectedhardwarefailure.10Refertotheexhibit.Thecommandiproute0.0.0.00.0.0.0S0/0/0isrunonrouterR2.Whatarethetworesultsofthiscommand?(Choosetwo.)Astaticroutewillbeupdatedintheroutingtable.ThetrafficfromtheInternetwillbedirectedtoR2.Thetrafficfromthesourcenetwork172.16.0.0/22willbeblocked.Theroutewillbespecifiedasthedefaultrouteforallnetworksnotdefinedintheroutingtable.AllthebroadcastswillbeforwardedviatheS0/0/0interfaceofR2.11Whenwouldthenetworkadministratorusetheipbandwidth-percenteigrpas-numberpercentcommand?whenthereisalowbandwidthconnectionwhentheconnectionisonasharedmediumwhentheconnectionisserialinsteadofEthernetwhenthelinkisalwaysbusy什么时候会用到ipbandwidth-percenteigrppercent命令.分析:默认下,eigrp最多占用借口配置带宽的50%.该命令用于低速链路上扩展eigrp的占用带宽,选A12Refertotheexhibit.WhichsolutionprovidesthemostefficientuseofrouterresourcesforforwardingtrafficbetweenBRandHQ?RIPRIPv2EIGRPstaticroutes13Refertotheexhibit.Whichtworoutesarelevel1ultimateroutes?(Choosetwo.)10.0.0.010.1.2.010.2.2.010.1.1.0192.168.1.0192.168.2.014Whichtwostatementsaretrueforlink-stateroutingprotocols?(Choosetwo.)Routersthatrunalink-stateprotocolcanestablishacompletetopologyofthenetwork.Routersinamultipointnetworkthatrunalink-stateprotocolcanexchangeroutingtables.Routersuseonlyhopcountforroutingdecisions.Theshortestpathfirstalgorithmisused.Splithorizonisusedtoavoidroutingloops.15Refertotheexhibit.AnetworkadministratorhasconfiguredOSPFusingthefollowingcommand:network192.168.1.320.0.0.31area0WhichrouterinterfacewillparticipateinOSPF?FastEthernet0/0FastEthernet0/1Serial0/0/0Serial0/0/1Refertotheexhibit.AdeviceisrequiredtocompletetheconnectionbetweenrouterR1andtheWAN.Whichtwodevicescanbeusedforthis?(Choosetwo.)aCSU/DSUdeviceamodemanEthernetswitchahubabridge17Whatcanbedeterminedfromtheoutputshownintheexhibit?(Choosetwo.)Annapolisisa2611routerthatisconnectedtotheS0/0interfaceoftheMontgomeryrouter.AlloftheroutersareconnectedtoMontgomerythroughanEthernetswitch.MontgomeryhasLayer2connectivitywithCumberland.Layer3connectivityisoperationalforallofthedeviceslistedintheDeviceIDcolumn.AnadministratorconsoledintotheWaldorfroutercanpingtheBrantrouter.Brant,Fisherman,andPotomacaredirectlyconnectedtoMontgomery.18Whic