CCNA640-802V13+题库51-100题

《CCNA640-802V13+题库51-100题》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、51.WhatcananetworkadministratorutilizebyusingPPPLayer2encapsulation?(Choosethree.)A.VLANsupportB.compressionC.authenticationD.slidingwindowsE.multilinksupportF.qualityofservice52.Refertotheexhibit.Whatisthemeaningofthetermdynamicasdisplayedintheoutputoftheshowframe-relaymapcommandshown?A.TheSerial0/

2、0interfaceispassingtraffic.B.TheDLCI100wasdynamicallyallocatedbytherouter.C.TheSerial0/0interfaceacquiredtheIPaddressof172.16.3.1fromaDHCPserver.D.TheDLCI100willbedynamicallychangedasrequiredtoadapttochangesintheFrameRelaycloud.E.ThemappingbetweenDLCI100andtheendstationIPaddress172.16.3.1waslearnedt

3、hroughInverseARP.53.WhatisthefunctionoftheCiscoIOScommandipnatinsidesourcestatic10.1.1.5172.35.16.5?A.ItcreatesaglobaladdresspoolforalloutsideNATtransactions.B.Itestablishesadynamicaddresspoolforaninsidestaticaddress.C.ItcreatesdynamicsourcetranslationsforallinsidelocalPATtransactions.D.Itcreatesaon

4、e-to-onemappingbetweenaninsidelocaladdressandaninsideglobaladdress.E.Itmapsoneinsidesourceaddresstoarangeofoutsideglobaladdresses.54.Refertotheexhibit.Whatistheeffectoftheconfigurationthatisshown?A.ItconfiguresSSHgloballyforalllogins.B.IttellstherouterorswitchtotrytoestablishanSShconnectionfirstandi

5、fthatfailstouseTelnet.C.Itconfiguresthevirtualterminallineswiththepassword030752180500.D.ItconfiguresaCisconetworkdevicetousetheSSHprotocolonincomingcommunicationsviathevirtualterminalports.E.ItallowssevenfailedloginattemptsbeforetheVTYlinesaretemporarilyshutdown.55.Refertotheexhibit.WhenPC1sendsanA

6、RPrequestfortheMACaddressofPC2,networkperformanceslowsdramatically,andtheswitchesdetectanunusuallyhighnumberofbroadcastframes.Whatisthemostlikelycauseofthis?A.Theportfastfeatureisnotenabledonallswitchports.B.ThePCsareintwodifferentVLANs.C.SpanningTreeProtocolisnotrunningontheswitches.D.PC2isdownandi

7、snotabletorespondtotherequest.E.TheVTPversionsrunningonthetwoswitchesdonotmatch.56.Anadministratorissuesthecommandping127.0.0.1fromthecommandlinepromptonaPC.Ifareplyisreceived,whatdoesthisconfirm?A.Th