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Switch1的f0/24口接在Switch0的f0/2口上，请根据图17-23完成或解释以下Switch0的配置命令。 Switch0 (config)# interface (8) (进入...
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中级网络工程师《填空集》真题及答案
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某公司租用了一段C类地址203.12.11.0/24～203.12.14.0/24如图2所示其
接入层交换机Switch1的端口24为trunk口其余各口属于vlan11请解释下列命令并完成交换机
阅读以下说明回答问题1至问题3将解答填入解答栏内 【说明】 某公司租用了一段C类地址2
Switch1的f0/24口接在Switch0的f0/2口上请根据图2-4完成或解释以下Switch
某公司租用了一段C类地址203.12.11.0/24～203.12.14.0/24如图2所示其
Switch1的f0/24口接在Switch0的f0/2口上请根据图17-23完成或解释以下Swit
Switch1的f0/24口接在Switch0的f0/2口上请根据图2-4完成或解释以下Switch
某公司租用了一段C类地址203.12.11.0/24～203.12.14.0/24如图2所示其
阅读以下交换机的配置信息回答问题 [说明] 某公司下设三个部门为了便于管理每个部门组成
以下两个配置中错误的是6原因是7A．Switch0config#interfacegigabitEt
接入层交换机Switch1的端口24为Trunk口其余各口属于Vlan11请解释下列命令并完成交换机
阅读以下说明回答问题1至问题3【说明】某公司租用了一段C类地址203.12.11.0/24～2
阅读以下交换机的配置信息回答问题 [说明] 某公司下设三个部门为了便于管理每个部门组成
若主机A与Switchl的e0/2端口相连请完成Switchl相应端口设置Switch1config
某公司租用了一段C类地址203.12.11.0/24～203.12.14.0/24如图2所示其
某公司租用了一段C类地址203.12.11.0/24～203.12.14.0/24如下图所示其网间地
接入层交换机Switch1的端口24为trunk口其余各口属于vlan11请解释下列命令并完成交换机
某公司租用了一段C类地址203.12.11.0/24～203.12.14.0/24如图2所示其
阅读以下说明回答问题1至问题3将解答填入解答栏内 【说明】 某公司租用了一段C类地址2
阅读以下说明回答问题1至问题3将解答填入解答栏内 【说明】 某公司租用了一段C类地址2
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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
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
Networkscanbeinterconnectedbydifferentdevices.Inthephysicallayernetworkscanbeconnectedby.31orhubswhichjustmovethebitsfromonenetworktoanidenticalnetwork.Onelayerupwefindbridgesandswitcheswhichoperateatdatalinklayer.Theycanaccept32examinetheMACaddressandforwardtheframestoadifferentnetworkwhiledoingminorprotocoltranslationintheprocess.Inthenetworklayerwehaveroutersthatcanconnecttwonetworks.Iftwonetworkshave33networklayertheroutermaybeabletotranslatebetweenthepacketformats.Inthetransportlayerwefindtransportgatewaywhichcaninterfacebetweentwotransportconnections.Finallyintheapplicationlayerapplicationgatewaystranslatemessage34.AsanexamplegatewaysbetweenInternetE-mailandX.400e-mailmust35thee-mailmessageandchangevariousheaderfields. 32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
MIDIenablespeopletouse51computersandelectronicmusicalinstruments.ThereareactuallythreecomponentstoMIDIthecommunications"52"theHardwareInterfaceandadistribution53called"StandardMIDIFiles".InthecontextoftheWWWthemostinterestingcomponentisthe54Format.InprincipleMIDIfilescontainsequencesofMIDIProtocolmessages.HoweverwhenMIDIProtocol55arestoredinMIDIfilestheeventsarealsotime-stampedforplaybackinthepropersequence.MusicdeliveredbyMIDIfilesisthemostcommonuseofMIDItoday. 51是
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
Networkscanbeinterconnectedbydifferentdevices.Inthephysicallayernetworkscanbeconnectedby.31orhubswhichjustmovethebitsfromonenetworktoanidenticalnetwork.Onelayerupwefindbridgesandswitcheswhichoperateatdatalinklayer.Theycanaccept32examinetheMACaddressandforwardtheframestoadifferentnetworkwhiledoingminorprotocoltranslationintheprocess.Inthenetworklayerwehaveroutersthatcanconnecttwonetworks.Iftwonetworkshave33networklayertheroutermaybeabletotranslatebetweenthepacketformats.Inthetransportlayerwefindtransportgatewaywhichcaninterfacebetweentwotransportconnections.Finallyintheapplicationlayerapplicationgatewaystranslatemessage34.AsanexamplegatewaysbetweenInternetE-mailandX.400e-mailmust35thee-mailmessageandchangevariousheaderfields. 34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
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
MIDIenablespeopletouse51computersandelectronicmusicalinstruments.ThereareactuallythreecomponentstoMIDIthecommunications"52"theHardwareInterfaceandadistribution53called"StandardMIDIFiles".InthecontextoftheWWWthemostinterestingcomponentisthe54Format.InprincipleMIDIfilescontainsequencesofMIDIProtocolmessages.HoweverwhenMIDIProtocol55arestoredinMIDIfilestheeventsarealsotime-stampedforplaybackinthepropersequence.MusicdeliveredbyMIDIfilesisthemostcommonuseofMIDItoday. 55是
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
MIDIenablespeopletouse51computersandelectronicmusicalinstruments.ThereareactuallythreecomponentstoMIDIthecommunications"52"theHardwareInterfaceandadistribution53called"StandardMIDIFiles".InthecontextoftheWWWthemostinterestingcomponentisthe54Format.InprincipleMIDIfilescontainsequencesofMIDIProtocolmessages.HoweverwhenMIDIProtocol55arestoredinMIDIfilestheeventsarealsotime-stampedforplaybackinthepropersequence.MusicdeliveredbyMIDIfilesisthemostcommonuseofMIDItoday. 53是
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