思科认证考试(CCNA)考试模拟题集锦(1_71题)与答案.doc

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1、.思科认证考试（ＣＣＮＡ）考试模拟题集锦(1-71题)及答案19及答案1.[OxNx]DuringaTFTPtransferusingCiscoRouterswhatisthenumericvalue,indecimal,ofthedestinationportfieldoftheUserDatagramProtocol(UDP)header?a)96b)47c)arandomnumberabove1024d)69e)noneoftheabove2.[CxNx]Whatisthestandarden

2、capsulationmethodusedbyCiscoroutersfortheInternetProtocol(IP)onit’sEthernetinterfaces?a)SNAPb)ARPAc)NOVELL-ETHERd)DARPAe)Ethernet_802.33.[CxNx]WhatwillbethecorrectcommandonaCiscoroutertosettheIPaddressofaninterfaceassumingyouareatthe"router(config-if)#

3、"prompt?a)ipaddress1.1.1.1255.255.255.0b)ipaddress1.1.1.1c)ip1.1.1.1d)ip1.1.1.1255.255.255.0e)noneoftheabove4.[CxNx]WhichcommandswilldisplaytheIPaddressesofallinterfacesonaCiscoRouter?(Chooseallthatapply)a)showiprouteb)showipaddressc)showipinterfaced)s

4、howinterfacee)displayipaddresses5.[CxNx]WhichofthefollowingcommandswilldisplaythecontentsoftheARPcacheofyourCiscorouter?a)showiparpcacheb)showiproutec)showiparpd)showarpe)thereisnowaytodisplaytheARPcache6.[CxNx]ReverseAddressResolutionProtocol(RARP)ist

5、heprocess:a)WhereanIPhostresolvesit’sIPaddressbybroadcastingit’sMACaddresstothenetworkandaBOOTPserverassignsitanIPaddress.b)WhereanIPhostresolvesit’sMACaddressbybroadcastingtothelocalnetworkit’sIPaddress.c)WhereanIPhosttriestoresolvetheMACaddressofades

6、tinationbysendinganetworkbroadcast.Thedestinationrespondstothebroadcastwithit’sMACaddress.d)WhereanIPhostresolvesadestinationIPaddressbysendingabroadcastonthelocalnetworkandthedestinationhostrespondswithit’sIPaddress.e)Thereisnosuchprocess.7.[OxNx]Whic

7、hofthefollowingapplicationsrequirestheconnection-orientedlayerfourprotocol,TCP?....(Chooseallthatapply)a)Telnetb)FTPc)TFTPd)SNMPe)noneoftheabove8.[RxNx]WhichofthefollowingarelinkstateRoutingProtocols.(Chooseallthatapply.)a)IPb)OSPFc)RIPd)EIGRPe)IS-IS9.

8、[CxNx]Ofthefollowingcommands,identifythecorrectoneforclearingtheIParptableinmemoryoftherouter.a)cleariparp-cacheb)cleariparp-tablec)cleararp-cached)cleararp-tablee)cleararp-ram10.[CxNx]Whichofthefollowingexplainsthecorrectdefinitionofad