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以下是路由器R1的部分配置，请完成其配置，或解释配置命令含义。 ! R1(Config)#interface fastethernet0 R1(Config-if)#ip address (6...
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中级网络工程师《填空集》真题及答案
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下面是路由器R1的部分配置请根据题目要求完成下列配置R1config#interaceSerial0
以下是路由器R1的部分配置请完成配置命令R1config#interfacefastethernet
以下是路由器R1的部分配置请完成其配置或解释配置命令含义!R1Config#interfacefas
阅读以下说明回答问题1和问题2将解答填入对应的解答栏内 【说明】 某单位内部网
某局域网通过两个路由器划分为3个子网拓扑结构和地址分配如图5-3所示 以下是路由器R
ip address 192.168.2.1 255.255.255.0
ip address 192.168.2.2 255.255.255.0
ip address 192.168.3.1 255.255.255.0
ip address 192.168.1.2 255.255.255.0
以下是路由器R1的部分配置请完成配置命令R1config#interfacefastethernet
阅读以下说明根据要求回答问题 [说明] 某公司总部和分支机构的网络配置如图所示在路由器
某局域网通过两个路由器划分为3个子网拓扑结构和地址分配如图5-3所示 以下是
A
B
C
D
下面是路由器R1的部分配置请根据题目要求完成下列配置R1config#interaceSerial0
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VirtualizationisanapproachtoITthatpoolsandshares71sothatutilizationisoptimizedandsuppliesautomaticallymeetdemand.TraditionalITenvironmentsareoftensiloswherebothtechnologyandhuman72arealignedaroundanapplicationorbusinessfunction.Withavirtualized73peopleprocessesandtechnologyarefocusedonmeetingservicelevels74isallocateddynamicallyresourcesareoptimizedandtheentireinfrastructureissimplifiedandflexible.Weofferabroadspectrumofvirtualization75thatallowscustomerstochoosethemostappropriatepathandoptimizationfocusfortheirITinfrastructureresources. 75是
Theusualwaytoensurereliabledeliveryistoprovidethe16withsomefeedbackaboutwhatishappeningattheotherendoftheline.Typicallytheprotocolcallsforthereceivertosendbackspecial17framebearingpositiveornegative18abouttheincomingframes.Ifthesenderreceivesapositiveacknowledgementaboutaframeitknowstheframehasarrivedsafely.Ontheotherhandanegativeacknowledgementmeansthatsomethinghasgonewrongandtheframemustbetransmittedagain.Anadditionalcomplicationcomesfromthepossibilitythathardwaretroublesmaycauseaframeto19completely.Inthiscasethereceiverwillnotreactatallsinceithasnoanyreasontoreact.Itshouldbeclearthataprotocolinwhichthesendertransmitsaframeandthenwaitsforanacknowledgementpositiveornegativewillhangforeverifaframeiseverlostduetoforexample20hardware. 19是
Serializationdelayand1delayarethetwocomponentsofnetworkdelaythatareimprovedbyincreasingbandwidth.Serializationdelayi.e.theamountoftimeittakestoputthe2onthewireandqueuingdelaydepthofthequeueareimprovedbyincreasingthe3froma128KbpscircuittoaT1.Howeverthreeothercomponentsofdelayrouting/switchingdelaydistancedelayandprotocoldelayarecomponentsthatcannotbepositivelyaffectedbyan4inbandwidth.Ifthecircuitsarenotover-utilizedthenincreasingthebandwidthtoimprovethe5oftheapplicationwillonlyresultinanincreasedbandwidthwithnopositiveeffectsonperformance. 5是
图17-10为RouterB上的路由表信息写出查询路由表的命令1该路由器上运行的路由协议为2 行政办公楼部门A所属网络地址是3部门B所属网络地址是4在主机D上使用命令TracertDNSServer显示结果如图17-11所示 根据以上信息完成主机D的Internet协议属性配置 主机D的IP地址5 主机D的子网掩码6 域名服务器IP地址7 主机D的默认网关8 2处填
WLANsareincreasinglypopularbecausetheyenablecost-effectiveconnectionsamongpeopleandapplicationsthatwerenotpossibleinthepast.ForexampleWLAN-basedapplicationscanenablefine-grainedmanagementofsupply11toimprovetheirefficiencyandreduce12.WLANscanalsoenableentirelynewbusinessprocesses.TocitebutoneexamplehospitalsareusingWLAN-enabledpoint-of-care13toreduceerrorsandimproveoverallpatientcare.WLANmanagementsolutionsprovideavarietyofotherbenefitsthatcanbesubstantialbutdifficulttomeasure.Forexampletheycanprotectcorporatedatabypreventing14throughrogueaccesspoints.Theycanimproveoverallnetworkmanagementbyintegratingwithcustomers’existingsystems.Fortunatelyitisn’tnecessarytomeasurethesebenefitstojustifyinvestinginWLANmanagementsolutionswhichcanquicklypayforthemselvessimplybyminimizingtime-15deploymentandadministrativechores. 11是
Themetricassignedtoeachnetworkdependsonthetypeofprotocol.SomesimpleprotocollikeRIPtreatseachnetworkasequals.The91ofpassingthrougheachnetworkisthesame;itisone92count.Soifapacketpassesthrough10networktoreachthedestinationthetotalcostis10hopcounts.OtherprotocolssuchasOSPFallowtheadministratortoassignacostforpassingthroughanetworkbasedonthetypeofservicerequired.A93throughanetworkcanhavedifferentcostsmetrics.Forexampleifmaximum94isthedesiredtypeofserviceasatellitelinkhasalowermetricthanafiber-opticline.Ontheotherhandifminimum95isthedesiredtypeofserviceafiber-opticlinehasalowermetricthanasatelliteline.OSPFalloweachroutertohaveseveralroutingtablebasedontherequiredtypeofservice. 94是
从网络拓扑图中可以看出该校园网采用了分层设计结构回答以下问题1．交换机按照所处的层次和完成的功能分为三种类型核心交换机汇聚交换机和接入交换机下表是学校采购的三种交换机请根据交换机的技术指标确定交换机的类型在答题纸对应的解答栏内填写表17-1中123处对应的交换机类型表17-1各种交换机的描述表交换机类型背板带宽转发速率接口介质电源冗余固定接口数据11.2TB285Mpps10/100/1000Base-T1000FX1+1无2240GB100Mpps1000FX无20千兆光口319GB6.6Mpps100Brise.T1000FX无24百兆电口2．该校园网根据需求使用ACL实现各个单位之间的访问控制在能够实现预定功能的前提下应将ACL交给4交换机实现原因是5A．核心层B．汇聚层C．接入层
Themetricassignedtoeachnetworkdependsonthetypeofprotocol.SomesimpleprotocollikeRIPtreatseachnetworkasequals.The91ofpassingthrougheachnetworkisthesame;itisone92count.Soifapacketpassesthrough10networktoreachthedestinationthetotalcostis10hopcounts.OtherprotocolssuchasOSPFallowtheadministratortoassignacostforpassingthroughanetworkbasedonthetypeofservicerequired.A93throughanetworkcanhavedifferentcostsmetrics.Forexampleifmaximum94isthedesiredtypeofserviceasatellitelinkhasalowermetricthanafiber-opticline.Ontheotherhandifminimum95isthedesiredtypeofserviceafiber-opticlinehasalowermetricthanasatelliteline.OSPFalloweachroutertohaveseveralroutingtablebasedontherequiredtypeofservice. 92是
WLANsareincreasinglypopularbecausetheyenablecost-effectiveconnectionsamongpeopleandapplicationsthatwerenotpossibleinthepast.ForexampleWLAN-basedapplicationscanenablefine-grainedmanagementofsupply11toimprovetheirefficiencyandreduce12.WLANscanalsoenableentirelynewbusinessprocesses.TocitebutoneexamplehospitalsareusingWLAN-enabledpoint-of-care13toreduceerrorsandimproveoverallpatientcare.WLANmanagementsolutionsprovideavarietyofotherbenefitsthatcanbesubstantialbutdifficulttomeasure.Forexampletheycanprotectcorporatedatabypreventing14throughrogueaccesspoints.Theycanimproveoverallnetworkmanagementbyintegratingwithcustomers’existingsystems.Fortunatelyitisn’tnecessarytomeasurethesebenefitstojustifyinvestinginWLANmanagementsolutionswhichcanquicklypayforthemselvessimplybyminimizingtime-15deploymentandadministrativechores. 15是
该校园网本部利用Windows2000建立VPN服务器接受远程VPN访问默认情况下______接入到VPN服务器上
从网络拓扑图中可以看出该校园网采用了分层设计结构回答以下问题1．交换机按照所处的层次和完成的功能分为三种类型核心交换机汇聚交换机和接入交换机下表是学校采购的三种交换机请根据交换机的技术指标确定交换机的类型在答题纸对应的解答栏内填写表17-1中123处对应的交换机类型表17-1各种交换机的描述表交换机类型背板带宽转发速率接口介质电源冗余固定接口数据11.2TB285Mpps10/100/1000Base-T1000FX1+1无2240GB100Mpps1000FX无20千兆光口319GB6.6Mpps100Brise.T1000FX无24百兆电口2．该校园网根据需求使用ACL实现各个单位之间的访问控制在能够实现预定功能的前提下应将ACL交给4交换机实现原因是5
该校园网的部分区域采用了无线网络请根据无线网络的技术原理回答以下问题在学校学术报告厅内部署了多个无线AP为了防止信号覆盖形成的干扰应调整无线AP的______
校园网在进行IP地址部署时给某基层单位分配了一个C类地址块192.168.110.0/24该单位的计算机数量分布如表17-2所示要求各部门处于不同的网段请将表17-3中的7～14处空缺的主机地址或范围和子网掩码填写在答题纸的相应位置表17-2部门主机数量教师机房100台教研室A32台教研室B20台教研室C25台表17-3部门可分配的地址范围子网掩码教师机房192.168.110.1～711教研室A812教研室B913教研室C1014
VirtualizationisanapproachtoITthatpoolsandshares71sothatutilizationisoptimizedandsuppliesautomaticallymeetdemand.TraditionalITenvironmentsareoftensiloswherebothtechnologyandhuman72arealignedaroundanapplicationorbusinessfunction.Withavirtualized73peopleprocessesandtechnologyarefocusedonmeetingservicelevels74isallocateddynamicallyresourcesareoptimizedandtheentireinfrastructureissimplifiedandflexible.Weofferabroadspectrumofvirtualization75thatallowscustomerstochoosethemostappropriatepathandoptimizationfocusfortheirITinfrastructureresources. 73是
校园网对校内提供VOD服务对外提供Web服务同时进行网络流量监控对以上服务器进行部署VOD服务器部署在3Web服务器部署在4网络流量监控服务器部署在5备选答案A．核心交换机端口B．核心交换机镜像端口C．汇聚交换机端口D．接入交换机端口E．防火墙DMZ端口以上三种服务器中通常发出数据流量最大的是6
Serializationdelayand1delayarethetwocomponentsofnetworkdelaythatareimprovedbyincreasingbandwidth.Serializationdelayi.e.theamountoftimeittakestoputthe2onthewireandqueuingdelaydepthofthequeueareimprovedbyincreasingthe3froma128KbpscircuittoaT1.Howeverthreeothercomponentsofdelayrouting/switchingdelaydistancedelayandprotocoldelayarecomponentsthatcannotbepositivelyaffectedbyan4inbandwidth.Ifthecircuitsarenotover-utilizedthenincreasingthebandwidthtoimprovethe5oftheapplicationwillonlyresultinanincreasedbandwidthwithnopositiveeffectsonperformance. 1是
Theusualwaytoensurereliabledeliveryistoprovidethe16withsomefeedbackaboutwhatishappeningattheotherendoftheline.Typicallytheprotocolcallsforthereceivertosendbackspecial17framebearingpositiveornegative18abouttheincomingframes.Ifthesenderreceivesapositiveacknowledgementaboutaframeitknowstheframehasarrivedsafely.Ontheotherhandanegativeacknowledgementmeansthatsomethinghasgonewrongandtheframemustbetransmittedagain.Anadditionalcomplicationcomesfromthepossibilitythathardwaretroublesmaycauseaframeto19completely.Inthiscasethereceiverwillnotreactatallsinceithasnoanyreasontoreact.Itshouldbeclearthataprotocolinwhichthesendertransmitsaframeandthenwaitsforanacknowledgementpositiveornegativewillhangforeverifaframeiseverlostduetoforexample20hardware. 17是
WebSQLisaSQL-like61languageforextractinginformationfromtheweb.Itscapabilitiesforperformingnavigationofweb62makeitausefultoolforautomatingseveralweb-relatedtasksthatrequirethesystematicprocessingofeitherallthelinksina63allthepagesthatcanbereachedfromagivenURLthrough.64thatmatchapatternoracombinationofboth.WebSQLalsoprovidestransparentaccesstoindexserversthatcanbequeriedviatheCommon65Interface. 64是
Serializationdelayand1delayarethetwocomponentsofnetworkdelaythatareimprovedbyincreasingbandwidth.Serializationdelayi.e.theamountoftimeittakestoputthe2onthewireandqueuingdelaydepthofthequeueareimprovedbyincreasingthe3froma128KbpscircuittoaT1.Howeverthreeothercomponentsofdelayrouting/switchingdelaydistancedelayandprotocoldelayarecomponentsthatcannotbepositivelyaffectedbyan4inbandwidth.Ifthecircuitsarenotover-utilizedthenincreasingthebandwidthtoimprovethe5oftheapplicationwillonlyresultinanincreasedbandwidthwithnopositiveeffectsonperformance. 3是
校园网在进行IP地址部署时给某基层单位分配了一个C类地址块192.168.110.0/24该单位的计算机数量分布如表17-2所示要求各部门处于不同的网段请将表17-3中的7～14处空缺的主机地址或范围和子网掩码填写在答题纸的相应位置表17-2部门主机数量教师机房100台教研室A32台教研室B20台教研室C25台表17-3部门可分配的地址范围子网掩码教师机房192.168.110.1～711教研室A812教研室B913教研室C1014
由图17-7可见网络中心与图书馆相距700米而且两者之间采用千兆连接那么两个楼之间的通信讯介质应选择1理由是2
校园网对校内提供VOD服务对外提供Web服务同时进行网络流量监控对以上服务器进行部署VOD服务器部署在3Web服务器部署在4网络流量监控服务器部署在5备选答案A．核心交换机端口B．核心交换机镜像端口C．汇聚交换机端口D．接入交换机端口E．防火墙DMZ端口以上三种服务器中通常发出数据流量最大的是6
校园网在进行IP地址部署时给某基层单位分配了一个C类地址块192.168.110.0/24该单位的计算机数量分布如表17-2所示要求各部门处于不同的网段请将表17-3中的7～14处空缺的主机地址或范围和子网掩码填写在答题纸的相应位置表17-2部门主机数量教师机房100台教研室A32台教研室B20台教研室C25台表17-3部门可分配的地址范围子网掩码教师机房192.168.110.1～711教研室A812教研室B913教研室C1014
Thepurposeoftherequirementsdefinitionphaseistoproduceaclearcompleteconsistentandtestable36ofthetechnicalrequirementsforthesoftwareproduct. Duringtherequirementsdefinitionphasetherequirementsdefinitionteamusesaniterativeprocesstoexpandabroadstatementofthesystemrequirementsintoacompleteanddetailedspecificationofeachfunctionthatthesoftwaremustperformandeach37thatitmustmeet.Thestartingpointisusuallyasetofhigh-levelrequirementsfromthe38thatdescribetheprojectorproblem. Ineithercasetherequirementsdefinitionteamformulatesanoverallconceptforthesystemandthendefines39showinghowthesystemwillbeoperatedpublishesthesystemandoperationsconceptdocumentandconductsasystemconceptreviewSCR. FollowingtheSCRtheteamderives40requirementsforthesystemfromthehighlevelrequirementsandthesystemandoperationsconcept.Usingstructuredorobject-orientedanalysistheteamspecifiesthesoftwarefunctionsandalgorithmsneededtosatisfyeachdetailedrequirement. 39是
WLANsareincreasinglypopularbecausetheyenablecost-effectiveconnectionsamongpeopleandapplicationsthatwerenotpossibleinthepast.ForexampleWLAN-basedapplicationscanenablefine-grainedmanagementofsupply11toimprovetheirefficiencyandreduce12.WLANscanalsoenableentirelynewbusinessprocesses.TocitebutoneexamplehospitalsareusingWLAN-enabledpoint-of-care13toreduceerrorsandimproveoverallpatientcare.WLANmanagementsolutionsprovideavarietyofotherbenefitsthatcanbesubstantialbutdifficulttomeasure.Forexampletheycanprotectcorporatedatabypreventing14throughrogueaccesspoints.Theycanimproveoverallnetworkmanagementbyintegratingwithcustomers’existingsystems.Fortunatelyitisn’tnecessarytomeasurethesebenefitstojustifyinvestinginWLANmanagementsolutionswhichcanquicklypayforthemselvessimplybyminimizingtime-15deploymentandadministrativechores. 13是
WebSQLisaSQL-like61languageforextractinginformationfromtheweb.Itscapabilitiesforperformingnavigationofweb62makeitausefultoolforautomatingseveralweb-relatedtasksthatrequirethesystematicprocessingofeitherallthelinksina63allthepagesthatcanbereachedfromagivenURLthrough.64thatmatchapatternoracombinationofboth.WebSQLalsoprovidestransparentaccesstoindexserversthatcanbequeriedviatheCommon65Interface. 62是
Thepurposeoftherequirementsdefinitionphaseistoproduceaclearcompleteconsistentandtestable36ofthetechnicalrequirementsforthesoftwareproduct. Duringtherequirementsdefinitionphasetherequirementsdefinitionteamusesaniterativeprocesstoexpandabroadstatementofthesystemrequirementsintoacompleteanddetailedspecificationofeachfunctionthatthesoftwaremustperformandeach37thatitmustmeet.Thestartingpointisusuallyasetofhigh-levelrequirementsfromthe38thatdescribetheprojectorproblem. Ineithercasetherequirementsdefinitionteamformulatesanoverallconceptforthesystemandthendefines39showinghowthesystemwillbeoperatedpublishesthesystemandoperationsconceptdocumentandconductsasystemconceptreviewSCR. FollowingtheSCRtheteamderives40requirementsforthesystemfromthehighlevelrequirementsandthesystemandoperationsconcept.Usingstructuredorobject-orientedanalysistheteamspecifiesthesoftwarefunctionsandalgorithmsneededtosatisfyeachdetailedrequirement. 37是
校园网在进行IP地址部署时给某基层单位分配了一个C类地址块192.168.110.0/24该单位的计算机数量分布如表17-2所示要求各部门处于不同的网段请将表17-3中的7～14处空缺的主机地址或范围和子网掩码填写在答题纸的相应位置表17-2部门主机数量教师机房100台教研室A32台教研室B20台教研室C25台表17-3部门可分配的地址范围子网掩码教师机房192.168.110.1～711教研室A812教研室B913教研室C1014
如果校园本部与校园分部之间需要实现教学资源互访办公自动化财务系统互联等多种业务该校园网应该选择______VPN模式
VirtualizationisanapproachtoITthatpoolsandshares71sothatutilizationisoptimizedandsuppliesautomaticallymeetdemand.TraditionalITenvironmentsareoftensiloswherebothtechnologyandhuman72arealignedaroundanapplicationorbusinessfunction.Withavirtualized73peopleprocessesandtechnologyarefocusedonmeetingservicelevels74isallocateddynamicallyresourcesareoptimizedandtheentireinfrastructureissimplifiedandflexible.Weofferabroadspectrumofvirtualization75thatallowscustomerstochoosethemostappropriatepathandoptimizationfocusfortheirITinfrastructureresources. 71是
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