您好,欢迎访问三七文档
当前位置:首页 > 商业/管理/HR > 咨询培训 > ZXR10技能认证考试汇总
序号试题内容1PPP有哪两种认证方式?两种认证方式之间的区别是什么?PPPhastwoauthenticationmethods,pleaselistoutthesetwomethods,andpointoutthedifferencebetweenthesetwomethods.2在配置命令frame-relaymapip10.1.1.17中,数字7的含义是()whileusingthecommandframe-relaymapip10.1.1.17,themeaningof7is()3如果路由器帧中继接口类型为NNI,与之对接的路由器帧中继接口类型为()ifrouterframe-relayinterfaceisNNItype,theframe-relayinterfaceofcounter-routeris()4下面关于DLCI的叙述不正确的是()whichofthefollowingdescriptionaboutDLCIiswrong()5CHAP是三次握手的验证协议,其中第一次握手是()CHAPhasthreehand-shake,thefirsthand-shakeis()6以下封装协议使用CHAP或者PAP验证方式的是()whichofthefollowingprotocolsareusingchaporpap()7PPP协议中,___主要用于协商在该数据链路上所传输的数据包的格式与类型()inthepppprotocol,__ismainlyusedtonegotiatetheformatandtypeofdatagramoverthisdatalink.8采用CSMA/CD技术的以太网上的两台主机同时发送数据,产生碰撞时,主机应该做何处理()whentwomainframeoverethernetwhichisusingcsma/cdtechnologyaresendingoutdatas,whenthesedatascollided,howwouldthesetwomainframesdo.9下列哪一个术语描述了帧中继网络使用PVC传输数据的最小速率()whichofthefollowingtermsdescribetheleastrateofframe-relaynetworktotransmitdataviaPVC()10在封装HDLC协议的接口上,设定状态轮询定时器时间间隔的命令是()intheHDLC-encapsulatedinterface,thecommandtoconfiguratetheintervalofstatainqueryTimeris()11PPP验证失败后,将由Authenticate阶段转入___阶段()TheAuthenticateprocedurewillturninto___procedureafterPPPauthenticationfails.12配置FR封装形式时,其中LMI类型可以配置为()LMItypecanbeconfiguratedtobe____whenFrame-relayencapsulationisproposed.13帧中继LMI一般占用哪几个DLCI()whichofDLCIwillLMIofFRusuallyoccupy()14以下是帧中继帧格式的字段的有()WhichofthefollowingfieldsbelongstoFRFrameformat()15下面选项中,对DLCI描述正确的有()WhichofthefollowingdescriptionaboutDLCIiscorrect()16PPP主要由___协议组成()PPPismainlyconsistof()17PPP协议族由以下哪些协议组成()WhichofthefollowingProtocolsmakeupPPPprotocol()18为了查看ZXR10路由器帧中继PVC统计信息,应使用命令()InordertoshowtheFRPVCstatisticsofZXR10ROUTER,whatcommandshouldbeused?().19在配置了帧中继本地DLCI和对端IP地址的映射后,使用什么命令来校验配置()Aftermappingtheipaddress20ZXR10路由器串口上的默认封装协议是()WhatdefaultencapsulationtypedoesZXR10routersetonitsSerialinterfaces?21帧中继是一种___的协议()frame-relayis()protocol22目前在帧中继网络中使用最多的数据传输方式是()Themostusedtypeintheframe-relaynetworkis()23在帧中继网络中,帧中继通过___协议监控PVC的状态()IntheFRnetwork,FRmonitorsthestatusofPVCby()protocol.24下列所述的协议中,哪一个不是广域网协议()whichofthefollowingprotocolisnotWANprotocol25___为两次握手协议,它通过在网络上以明文的方式传递用户名及口令来对用户进行验证()istwohand-shakeprotocol,ittransferunencryptedIDandpasswordtoauthenticatethesubscribers.26___为三次握手协议,其特点是:只在网络上传输用户名,而并不传输用户口令,因此它的安全性较高()____isthreehand-shakeprotocol,itschracteristicis:onlytransfertheIDwithoutpasswordtransferred,Duetothis,thesecuritylevelisenhanced()27在PPP协商流程中,LCP协商是在哪个阶段进行的()inwhichphraseofPPPnegotiationisLCPnegotiationperformed()28当串口工作在异步模式时,可以采用的链路层封装协议有()whenserialinterfaceworksintheasynchronousmode,Thelink-layerencapsulationProtocolcanbe()29广域网连接的点到点通讯方式有以下特点()thep2pcommunicationintheWANnetworkhasthefollowingchracteristics()30PPP的LCP工作在()theLCPofPPPprotocolworksin()31PPP的验证功能工作在()TheauthenticationofPPPworksin()32PPP的LCP过程按照以下四个阶段进行()theLCPprocedureofPPPareperformedinthefourphrases()33PPP认证方式中PAP是___次握手方式,CHAP是___次握手方式()inthePPPauthentication,PAPis--handshakeway,CHAPis_handshakeway.34当HDLC端口的状态为[端口down协议up]时,意味着()whenHDLCportstatusisportdown,protocolup,itmeans()35HDLC(高级数据链路控制)是由哪个国际标准化组织提出的()WhichofthefollowinginternationalOrganizationsforstandardizationproposeHDLC?36帧中继地址映射是把对端设备的『____』与本地的『____』关联起来。FRaddressmappingistomap37帧中继提供了一个在帧中继交换机和帧中继数据终端设备(路由器)之间的简单的信令协议叫作『____』。ThesimplesignallingprotocolbetweenFRswitchesandFRDTE(router)providedbyFRis____38ATM、帧中继、等都是采用电路交换技术的广域网技术。(ATM,FR,etcarewantechnologiesusingcircuitswitchingtechnology39HDLC协议可以运行于同步和异步接口上的。HDLCprotocolcanworkonsynchronousandasynchronousinterfaces.40HDLC的keepalive报文中YOURSEQ字段为发送方接收到对端的HDLC报文时记下的序列号加1。TheYOURSEQfieldofHDLCkeepalivemessageisSEQ+1whensenderreceivesHDLCmessagefromoppositeend.41PPP下层的物理层可以是同步电路或异步电路。ThephysicallayerofPPPcanbesynchronousandasynchronouscircuit.42LCP的作用就是在两个PPP对等实体之间建立、维持和终止点对点数据链路。ThefunctionofLCPistoestablish,maintainandterminateofp2pdatalinkbetweentwopppequityentries43PPP协议中PAP认证方式式比CHAP认证方式更加安全。PAPauthenticationismuchsaferthanCHAPauthentication44帧中继的地址字段可以是2字节,也可以扩成4字节。TheaddressfieldofFRcanbe2bytes,orcanbeextenedto4bytes.45帧中继2字节地址的DLCI长度为10比特,用户可任取0-1023之间的值。TheDLCIfieldlengthof2-byteaddressFRis10bit,therangesubscribecanuseis0-102346帧中继的DE置1的帧比DE=0的帧优先丢弃。DE=1FRframewillbediscardedpre47帧中继当FCS检测出差错时,会将此帧丢弃,差错的恢复由终端去完成。48帧中继的接口模式如果是点到点的话也必须做对端地址与本地DLCI的映射。49帧中继的接口模式如果是点到多点的话,必须做对端地址与本地DLCI的映射。50ATM是一种面向连接的技术,为在交换式WAN或LAN骨干网高速传输数据提供了通用的通信机制。51帧中继是基于虚电路的,虚电路有『____』和『____』两种。FRisbasedonvirtuallink,Vrituallinkhave___and___52PPP认证方式包括PAP和『____』。PPPauthenticationmethodscontainPAPand____53常见的广域网协议有『____』、HDLC、『____』。Themost-usedWanProtocolsare___,HDLC,____54配置frame-relay接口LMI类型时,可选值为『____』、『____』、q933a。WhentheFRinterfaceisLMI-type,theoptionalparametersare__,___q933a.,55广域网协议HDLC的点到点通讯方式有以下特点()Thep2pcommunicationofHDLCprotocolhasthefollowingcharacteristics()56下面关于PPP说法正确的是()whichoneistrueaboutPPP()57PPP端口的链路层始终DOWN,可能的原因有()thedatalinkstatusofPPPportisalwaysdown,thereasonsmaybe()58以下关于帧中继说法正确的是()WhatistrueaboutFR()59关于帧中继的DLCI,正确的是()WhatistrueaboutDLCIofFR
本文标题:ZXR10技能认证考试汇总
链接地址:https://www.777doc.com/doc-6961177 .html