版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
兼职工程师考试题居住地:姓名:选择题分数:问答题分数:一、选择题:下列哪些设备可以用来划分网段:(e)A、hubﻩ B、repeaterﻩ C、switchD、bridge E、routerﻩﻩ F、mediaconverters那些设备可以用来分隔局域网:(c,d)下列那个地址是单播地址:()A、22ﻩ B、FFFF.FFFF.FFFFﻩﻩC、192.168。24.59/30D、255.255.255.255 ﻩﻩ ﻩ E、172.31.128.255/18网线常见线序有直通线、交叉线、反转线三种做法,请把下列设备分类,并指出类别内及类别间连接所使用的线路类型:HUBSWITCHROUTERPCCONSOLEAnswer:1、();2、();3、()对以下路由协议进行分类,并写出各类的路有协议类型:()RIPV1RIPV2IGRPEIGRPOSPFISIS下列那些路由协议支持VLSM和路由汇总:()IGRP RIPV1ﻩﻩRIPV2ﻩ EIGRP ﻩOSPF ﻩISISﻩﻩVTP ﻩCDP下列哪条访问控制列表会阻止所有到10.10.1.0/24网段的telnet请求:()A.access-list15denytelnetany10.10.1.00.0.0.255eq23B.access-list115denyudpany10.10.1.0eqtelnetC.access-list15denytcp10.10.1.0255.255.255.0eqtelnetD.access-list115denytcpany10.10.1.00.0.0.255eq23E.access-list15denyudpany10.10.1.0255.255.255.0eq23WhichIPaddressandwildcardmaskwouldyouuseinyourACLtoblockallthehostsinthesubnet192.168.16.43/28?()A.192.168.16.320.0.0.16B.192.168.16.430.0.0.212C.0.0.0.15D.20.0.0.15E.192.168.16.00.0.0.31F.60.0.0.31AstandardIPaccesslistisappliedtoanEthernetinterfaceofarouter.Whatdoesthisstandardaccesslistfilteron?()A.ThesourceanddestinationaddressesB.ThedestinationportnumberC.ThedestinationaddressD.ThesourceaddressE.AlloftheaboveAbrandnewnetworkapplicationisrequiredfortheAcmeCompany,andtheyareconsideringtheuseofaconnectionlessservice.Whatarethecharacteristicsofaconnectionlessservice?(两项)()A.ItusesaReliabletransportmechanism.B.ItusesaNon-reliabletransportmechanismC.Itislessbandwidth-intensivethanconnectionorientedservicesD.ituseshandshakingTheTestKingnetworkisimplementingdialupservicesfortheirremoteemployees.TestKingusesseveraldifferentLayer3protocolsonwork.Authenticationoftheusersconnectingtothenetworkisrequiredforsecurity.Additionally,someemployeeswillbedialinglongdistanceandwillneedcallbacksupport.Whichprotocolisthebestchoicefortheseremoteaccessservices?()A.802.1B.FramerelayC.HDLCD.PPPE.SLIPF.PAPTestKinghas25computersanddecidestoconnectthenetworktotheInternet.TestKingwouldlikeforallofthecomputerstohaveaccesstotheInternetatthesametime,butTestKingonlyhasfourusablepubliclyroutableIPaddresses.WhatshouldbeconfiguredontheroutersothatallcomputerscanconnecttotheInternetsimultaneously?()A.StaticNATB.GlobalNATC.DynamicNATD.StaticNATwithACLsE.DynamicNATwithoverloadWhichofthefollowingdescribeprivateIPaddresses?(Choosetwo)()A.AddresseschosenbyacompanytocommunicatewiththeInternet.B.AddressesthatcannotberoutedthroughthepublicInternet.C.AddressesthatcanberoutedthroughthepublicInternet.D.Aschemetoconservepublicaddresses.E.AddresseslicensedtoenterpriseorISPsbyanInternetregistryorganization.WhatparametersmustyouspecifywhenyouenableEIGRProuting?()A.Thebroadcastaddress,andASnumberB.ThenetworknumberandASnumberC.EIGRProuting,networknumberandpassiveinterfaceD.EIGRProuting,networknumber,andASWhichofthefollowingaddressescanbeassignedtoahostwhenusingasubnetmaskof255.255.254.0?(Selectthree)()A.B.C.175.33.3.255D.26.35.2.255E.152.135.7.0F.17.35.36.0YouneedtosetthedefaultgatewayofoneofyourTestKingswitches.Whichcommandwillsetthedefaultgatewayto192.168.12.1onaCiscoswitch?()A.Switch(config)#ipdefault-network192.168.12.1B.Switch(config)#iproute-default192.168.12.1C.Switch(config)#ipdefault-gateway192.168.12.1D.Switch(config)#iproute192.168.12.10.0.0.0Whatisthepurposeofthecommandshownbelow?iproute0.0.0.00.0.0.0serial0/0()A.Itconfiguresaroutertosendallpacketsoutinterfaceserial0/0.B.Itconfiguresaroutertoblockroutingupdatesfrombeingsentoutinterfaceserial0/0.C.Itconfiguresarouterasafirewall,blockingallunauthorizedpacketsfromexitingserial0/0.D.Itconfiguresaroutertosendallpacketsforunknowndestinationnetworksoutinterfaceserial0/0.E.Itconfiguresaroutertodropallpacketsforwhichthedestinationnetworkisunknown.AClassCnetworkaddresshasbeensubnettedwitha/27mask.Whichofthefollowingaddressesisabroadcastaddressforoneoftheresultingsubnets?()A.201.57.78.64B.201.57.78.87C.201.57.78.33D.2054E.201.57.78.159F.201.57.78.97在Serialxisdown,lineprotocolisdown的情况下也许是哪些故障导致:()载波没有收到线缆出现问题Clockrate在DCE端没有设立服务提供商导致的ERRORRATE过高在Serialxisdown,lineprotocolisdown的情况下也许是哪些故障导致:()载波没有收到线缆出现问题Clockrate在DCE端没有设立服务提供商导致的ERRORRATE过高请参看一下配置:Figure1-1OutputoftheHDLCshowinterfaceserialCommandTable1-1showstheinterfacestatusconditions,possibleproblemsassociatedwiththeconditions,andsolutionstothoseproblems.Serial0isup,ltocolisupHardwareisMCISerialInternetaddressis131.108.156.98,subnetmaskis255.255.255.240MTU1500bytes,BW1544Kbit,DLY20230usec,rely255/255,load1/255EncapsulationHDLC,loopbacknotset,keepaliveset(10sec)Lastinput0:00:00,output0:00:00,outputhangneverLastclearingof"showinterface"countersneverOutputqueue0/40,5762drops----A;inputqueue0/75,301drops----BFiveminuteinputrate9000bits/sec,16packets/secFiveminuteoutputrate9000bits/sec,17packets/sec5780806packetsinput,bytes,0nobufferReceived757broadcasts,0runts,0giants146124inputerrors----C,87243CRC----D,58857frame----E,0overrun,0ignored,3abort5298821packetsoutput,bytes,0underruns0outputerrors,0collisions,2941interfaceresets,0restarts2carriertransitions通过以上条目判断出:()接口的硬件有问题inputdrop发生在串行接口上也许由于:输入速率超过路由器解决能力。输入和输出队列都属于硬件特性,一般设备不能提供修改。可以用hold-queuein进行调整输出队列有一种对于线路的测试为“环路监测”,根据下图标注出了环路监测是原理,请选出对的的一个:()通过下面显示,最终显示为接口down的因素是由于:()Figure1-2debugserialinterfaceCommandOutputrouter#debugserialinterfaceSerial1:HDLCmyseq636119,mineseen636119,yourseen515032,lineupSerial1:HDLCmyseq636120,mineseen636120,yourseen515033,lineupSerial1:HDLCmyseq636121,mineseen636121,yourseen515034,lineupSerial1:HDLCmyseq636122,mineseen636122,yourseen515035,lineupSerial1:HDLCmyseq636123,mineseen636123,yourseen515036,lineupSerial1:HDLCmyseq636124,mineseen636124,yourseen515037,lineupSerial1:HDLCmyseq636125,mineseen636125,yourseen515038,lineupSerial1:HDLCmyseq636126,mineseen636126,yourseen515039,lineupSerial1:HDLCmyseq636127,mineseen636127,yourseen515040,lineupSerial1:HDLCmyseq636128,mineseen636127,yourseen515041,lineupSerial1:HDLCmyseq636129,mineseen636129,yourseen515042,lineupSerial1:HDLCmyseq636130,mineseen636130,yourseen515043,lineupSerial1:HDLCmyseq636131,mineseen636130,yourseen515044,lineupSerial1:HDLCmyseq636132,mineseen636130,yourseen515045,lineupSerial1:HDLCmyseq636133,mineseen636130,yourseen515046,linedown链路发生噪声CRC循环交验错误线缆出现问题Keepalive信号错误在实现密码恢复后,以下哪些进行修改操作:()修改
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
评论
0/150
提交评论