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培训大讲堂官方YY频道：3660鸿鹄论坛：bbs.hh010.comCCNACCNACCNACCNA题库考试代号：640-802640-802640-802640-802考试时间：英文110+30=140110+30=140110+30=140110+30=140分钟通过分数：825825825825题库版本：V104.3V104.3V104.3V104.3鸿鹄联合百家权威培训机构共同开展公益性技术讲座，百家培训机构名师将循环开讲，针对重要的知识点，针对工作中的技术应用，针对以后的人生规划，都将进行权威和详细的讲解。鸿鹄希望通过鸿鹄大讲堂的活动，为迷茫的学员指点迷津，激发起学员的求知欲望，同时搭建起网络技术的交流平台，让更多的人了解思科，了解网络，走向IEIEIEIE。鸿鹄大讲堂：://bbs.hh010.com/thread-46172-1-1.html://bbs.hh010.com/thread-46172-1-1.html培训大讲堂官方YYYYYYYY频道：3660366036603660CCNACCNACCNACCNA题库战报交流QQQQQQQQ群：5704060570406057040605704060（500500500500人超级群）CCNACCNACCNACCNA题库战报交流区：://bbs.hh010.com/forum-261-1.html://bbs.hh010.com/forum-261-1.html1000100010001000GGGG视频教程免费下载：://bbs.hh010.com/forum-228-1.html://bbs.hh010.com/forum-228-1.htmlCCNA题库V104.2补充新题69Q（题库改版后新题目）Number:640-802PassingScore:825TimeLimit:120minFileVersion:104.2CCNA（640-802）题库V104.2鸿鹄论坛bbs.hh010.comCCNA题库战报500人超级QQ群：823273972011.4.6思科题库变动后更新题库，全网首发，昀新信息请关注鸿鹄论坛：00更新16道新题2011.4.923：00更新14道新题2011.4.1022：00更新18道新题2011.4.1212：00更新16道新题2011.4.1512：00更新5道新题ExamAQUESTION1WhichtwocommandscorrectlyverifywhetherportsecurityhasbeenconfiguredonportFastEthernet0/12onaswitch?(choosetwo)A.SW1#showswithportport-securityinterfaceFastEthernet0/12B.SW1#showswithportport-secureinterfaceFastEthernet0/12C.SW1#showport-secureinterfaceFastEthernet0/12D.SW1#showrunning-configAnswer:CDExplanation/Reference:QUESTION2WhichcomponentofVPNtechnologyensuresthatdatacanbereadonlybyitsintendedrecipient?A.dataintegrityB.encryptionC.keyexchangeD.authenticationAnswer:DExplanation/Reference:哪个VPN组件可以确保数据只能让预定的人读取QUESTION3Refertotheexhibit.Whatistheeffectoftheconfigurationthatisshown?A.IttellstherouterorswitchtotryestablishanSSHconnectionfirstandifthatfailtousetelnet.B.ItconfiguresacisconetworkdevicetousetheSSHprotocolonincomingcommunicationsviathevirtualterminalports.C.ItallowssevenfailedloginattemptsbeforetheVTYlinesaretemporarilyshutdown.D.Itconfiguresthevirtualterminallineswiththepassword030752180500.E.ItconfiguresSSHgloballyforalllogins.Answer:BExplanation/Reference:此条命令允许5条SSH虚链路QUESTION4WhichIPV6routingprotocolusesmulticastgroupFF02::8tosendupdates?A.RIPngB.OSPFv3C.IS-ISforIPv6D.staticAnswer:CExplanation/Reference:哪一个IPV6协议用组播地址FF02：：8发送更新QUESTION5Whichofthefollowingaretrueregardingthedebugoutputshowninthegraphic?(choosetwo)A.Thisrouterwasconfiguredwiththecommands:RtrA(config)#routerripRtrA(config-router)#version2RtrA(config-router)#network172.16.0.0RtrA(config-router)#network10.0.0.0B.Thisrouterwasconfiguredwiththecommands:RtrA(config)#routerripRtrA(config-router)#network172.16.0.0RtrA(config-router)#network10.0.0.0C.Network10.0.0.0willbedisplayedintheroutingtable.D.Network192.168.168.0willbedisplayedintheroutingtable.E.Thisrouterwasconfiguredwiththecommands:RtrA(config)#routerripRtrA(config-router)#network192.168.1.0RtrA(config-router)#network10.0.0.0RtrA(config-router)#network192.168.168.0F.split-horizonwasdisabledonthisrouter.Answer:BCExplanation/Reference:从信息中可以看到协议为RIPv1，192.168.168.0in16hops，将要从路由表中清除QUESTION6Thenetworkadministratorisaskedtoconfigure113point-to-pointlinks.WhichIPaddressingschemebestdefinestheaddressrangeandsubnetmaskthatmeettherequirementandwastethefewestsubnetandhostaddresses?A.10.10.0.0/18subnettedwithmask255.255.255.252B.10.10.0.0/25subnettedwithmask255.255.255.252C.10.10.0.0/24subnettedwithmask255.255.255.252D.10.10.0.0/23subnettedwithmask255.255.255.252E.10.10.0.0/16subnettedwithmask255.255.255.252Answer:DExplanation/Reference:113个point-to-point链路而不是IP。每个链路需要2个有效的IP地址，即2个主机位。113个需要7位，一共需要9位，所以掩码为23QUESTION7VLAN3isnotyetconfiguredonyourswitch.Whathappensifyousettheswitchportaccessvlan3commmandinterfaceconfigurationmode?A.ThecommandisacceptedandtherespectiveVLANisaddedtovlandat.B.Thecommandisrejected.C.ThecommandisacceptedandyoumustconfiguretheVLANmanually.D.Theportturnsamber.Answer:AExplanation/Reference:在PT和真机环境下回自动创建vlan。切莫用路由器的IOS做此实验。QUESTION8Whichparametercanbetunedtoaffecttheselectionofastaticrouteasabackup.whenadynamicprotocolisalsobeingused?A.linkbandwidthB.hopcountC.linkcostD.administrativedistanceE.linkdelayAnswer:DExplanation/Reference:选择路由先看管理距离，小的优先QUESTION9Refertotheexhibit.IntheFrameRelaynetwork,whichipaddresswouldbeassignedtotheinterfaceswithpoint-to-poinPVCs?A.DLCI16:192.168.10.1/24DLCI17:192.168.10.2/24DLCI99:192.168.10.3/24DLCI28:192.168.10.4/24B.DLCI16:192.168.10.1/24DLCI17:192.168.11.1/24DLCI99:192.168.10.2/24DLCI28:192.168.11.2/24C.DLCI16:192.168.10.1/24DLCI17:192.168.11.1/24DLCI99:192.168.12.1/24DLCI28:192.168.13.1/24D.DLCI16:192.168.10.1/24DLCI17:192.168.10.1/24DLCI99:192.168.10.2/24DLCI28:192.168.10.3/24Answer:BExplanation/Reference:虚链路为点对点，R2为子接口，每条虚链路各自一个网段QUESTION10Whywillaswitchneverlearnabroadcastaddress?A.Broadcastframesareneversenttoswiches.B.Broadcastaddresse