欢迎来到天天文库
浏览记录
ID:20291784
大小:303.00 KB
页数:61页
时间:2018-10-12
《ccna题库2010v102》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、考试大论坛—考试人的领地,您的梦想!www.examda.com..CCNAV102上卷(共上下两卷)1WhatcananetworkadministratorutilizebyusingPPPLayer2encapsulation?(Choosethree.)A.VLANsupportB.CompressionC.AuthenticationD.SlidingwindowsE.MultilinksupportF.QualityofserviceAnswer:B,C,E2Whichtwostatementsbestdescribethewirelesssecuritystandardthat
2、isdefinedbyWPA?(Choosetwo.)A.Itspecifiesuseofastaticencryptionkeythatmustbechangedfrequentlytoenhancesecurity.B.Itrequiresuseofanopenauthenticationmethod.C.Itspecifiestheuseofdynamicencryptionkeysthatchangeeachtimeaclientestablishesaconnection.D.Itrequiresthatallaccesspointsandwirelessdevicesusethe
3、sameencryptionkey.E.ItincludesauthenticationbyPSK.Answer:C,E3Whiletroubleshootingaconnectivityproblem,anetworkadministratornoticesthataportstatusLEDonaCiscoCatalystseriesswitchisalternatinggreenandamber.Whichconditioncouldthisindicate?A.Theportisexperiencingerrors.B.Theportisadministrativelydisable
4、d.C.Theportisblockedbyspanningtree.D.Theporthasanactivelinkwithnormaltrafficactivity.Answer:A4Refertotheexhibit.ThenetworkshownintheexhibitisrunningtheRIPv2routingprotocol.Thenetworkhasconverged,andtheroutersinthisnetworkarefunctioningproperly.TheFastEthernet0/0interfaceonR1goesdown.Inwhichtwowaysw
5、illtheroutersinthisnetwork..考试大论坛—考试人的领地,您的梦想!www.examda.com..respondtothischange?(Choosetwo.)A.Allrouterswillreferencetheirtopologydatabasetodetermineifanybackuproutestothe192.168.1.0networkareknown.B.RoutersR2andR3marktherouteasinaccessibleandwillnotacceptanyfurtherroutingupdatesfromR1untiltheirh
6、old-downtimersexpire.C.Becauseofthesplit-horizonrule,routerR2willbepreventedfromsendingerroneousinformationtoR1aboutconnectivitytothe192.168.1.0network.D.WhenrouterR2learnsfromR1thatthelinktothe192.168.1.0networkhasbeenlost,R2willrespondbysendingaroutebacktoR1withaninfinitemetrictothe192.168.1.0net
7、work.E.R1willsendLSAstoR2andR3informingthemofthischange,andthenallrouterswillsendperiodicupdatesatanincreasedrateuntilthenetworkagainconverges.Answer:C,D5WhichthreestatementsarecorrectaboutRIPversion2?(Choo
此文档下载收益归作者所有