工程师考试题-网络

工程师考试题网络1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：1、下列哪些设备可以用来划分网段：（CE）A、hubB、repeaterC、switchD、bridgeE、routerF、mediaconverters那些设备可以用来分隔局域网：（E）2、下列那个地址是单播地址：（E）A、224.1.5.2B、FFFF.FFFF.FFFFC、192.168。24.59/30D、255.255.255.255E、172.31.128.255/183、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、(只有一方有UP-LINK口就用直通线,其他情况用交叉线)；2、(交叉线)；3、(反转线)4、对以下路由协议进行分类，并写出各类的路有协议类型：（RIPV1、RIPV2为静态距离矢量路由协议，IGRP，EIGRP为动态距离矢量内部网关协议，OSPF和ISIS为链路状态路由协议。按照距离矢量路由或者链路状态路由标准可以分为距离矢量路由协议组：RIPV1、RIPV2、IGRP、EIGRP；以及链路状态路由协议组：OSPF和ISIS）RIPV1RIPV2IGRPEIGRPOSPFISIS5、下列那些路由协议支持VLSM和路由汇总：（支持VLSM的路由协议有：RIPV2，OSPF、EIGRP、ISIS）IGRPRIPV1RIPV2EIGRPOSPFISISVTPCDP6、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：（D）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-list15denyudpany10.10.1.0255.255.255.0eq237、WhichIPaddressandwildcardmaskwouldyouuseinyourACLtoblockallthehostsinthesubnet192.168.16.43/28?（D）A.192.168.16.320.0.0.16工程师考试题网络2B.192.168.16.430.0.0.212C.192.168.16.00.0.0.15D.192.168.16.320.0.0.15E.192.168.16.00.0.0.31F.192.168.16.160.0.0.318、AstandardIPaccesslistisappliedtoanEthernetinterfaceofarouter.Whatdoesthisstandardaccesslistfilteron?（A）A.ThesourceanddestinationaddressesB.ThedestinationportnumberC.ThedestinationaddressD.ThesourceaddressE.Alloftheabove9、AbrandnewnetworkapplicationisrequiredfortheAcmeCompany,andtheyareconsideringtheuseofaconnectionlessservice.Whatarethecharacteristicsofaconnectionlessservice?(两项)（BC）A.ItusesaReliabletransportmechanism.B.ItusesaNon-reliabletransportmechanismC.Itislessbandwidth-intensivethanconnectionorientedservicesD.ituseshandshaking10、TheTestKingnetworkisimplementingdialupservicesfortheirremoteemployees.TestKingusesseveraldifferentLayer3protocolsonthenetwork.Authenticationoftheusersconnectingtothenetworkisrequiredforsecurity.Additionally,someemployeeswillbedialinglongdistanceandwillneedcallbacksupport.Whichprotocolisthebestchoicefortheseremoteaccessservices?（D）A.802.1B.FramerelayC.HDLCD.PPPE.SLIPF.PAP11、TestKinghas25computersanddecidestoconnectthenetworktotheInternet.TestKingwouldlikeforallofthecomputerstohaveaccesstotheInternetatthesametime,butTestKingonlyhasfourusablepubliclyroutableIPaddresses.WhatshouldbeconfiguredontheroutersothatallcomputerscanconnecttotheInternetsimultaneously?（E）A.StaticNAT工程师考试题网络3B.GlobalNATC.DynamicNATD.StaticNATwithACLsE.DynamicNATwithoverload12、WhichofthefollowingdescribeprivateIPaddresses?(Choosetwo)（BD）A.AddresseschosenbyacompanytocommunicatewiththeInternet.B.AddressesthatcannotberoutedthroughthepublicInternet.C.AddressesthatcanberoutedthroughthepublicInternet.D.Aschemetoconservepublicaddresses.E.AddresseslicensedtoenterpriseorISPsbyanInternetregistryorganization.13、WhatparametersmustyouspecifywhenyouenableEIGRProuting?（D）A.Thebroadcastaddress,andASnumberB.ThenetworknumberandASnumberC.EIGRProuting,networknumberandpassiveinterfaceD.EIGRProuting,networknumber,andAS14、Whichofthefollowingaddressescanbeassignedtoahostwhenusingasubnetmaskof255.255.254.0?(Selectthree)（BDE）A.113.10.4.0B.186.54.3.0C.175.33.3.255D.26.35.2.255E.152.135.7.0F.17.35.36.015、YouneedtosetthedefaultgatewayofoneofyourTestKingswitches.Whichcommandwillsetthedefaultgatewayto192.168.12.1onaCiscoswitch?（C）A.Switch(config)#ipdefault-network192.168.12.1B.Switch(config)#iproute-default192.168.12.1C.Switch(config)#ipdefault-gateway192.168.12.1D.Switch(config)#iproute192.168.12.10.0.0.016、Whatisthepurposeofthecommandshownbelow?iproute0.0.0.00.0.0.0serial0/0（D）A.Itconfiguresaroutertosendallpacketsoutinterfaceserial0/0.B.Itconfiguresaroutertoblockroutingupdatesfrombeingsentoutinterfaceserial0/0.C.Itconfiguresarouterasafirewall,blockingallunauthorizedpacketsfrom工程师考试题网络4exitingserial0/0.D.Itconfiguresaroutertosendallpacketsforunknowndestinationnetworksoutinterfaceserial0/0.E.Itconfiguresaroutertodropallpacketsforwhichthedestinationnetworkisunknown.17、AClassCnetworkaddresshasbeensubnettedwitha/27mask.Whichofthefollowingaddressesisabroadcastaddressforoneoftheresultingsubnets?（E）A.201.57.78.64B.201.57.78.87C.201.57.78.33D.201.57.78.254E.201.57.78.159F.201.57.78.9718、在Serialxisdown,lineprotocolisdown的情况下可能是哪些故障造成：（B）A载波没有收到B线缆出现问题CClockrate在DCE端没有设置D服务提供商造成的ERRORRATE过高19、请参看一下配置：Figure1-1OutputoftheHDLCshowinterfaceserialCommandTable1-1showstheinterfacestatusconditions,possibleproblemsassociatedwiththeconditions,andsolutionstothoseproblems.Serial0isup,lineprotocolisupHardwareisMCISerialInternetaddressis131.108.156.98,subnetmaskis255.255.255.240MTU1500bytes,BW1544Kbit,DLY20000usec,rely255/255,load1/255EncapsulationHDLC,loopbacknotset,keepaliveset(10sec)Lastinput0:00:00,output0:00:00,outputhangneverLastclearingofshowinterfacecountersneverOutputqueue0/40,5762drops----A;inputqueue0/75,301drops----BFiveminuteinputrate9000bits/sec,16packets/secFiveminuteoutputrate9000bits/sec,17packets/sec5780806packetsinput,785841604bytes,0nobufferReceived757broadcasts,0runts,0gia