V31连线题及拖图题清晰版

840-602V31连线题及拖图题清晰版根据公开资料整理,但不能保证里面的答案完全正确,还请辩证的参考答案314、Dragthefunctiononthelefttothematchingsecurityapplianceorapplicationontheright(notallfunctionsareuses) BlocksunknownMACaddressfromaccessingawirelessLAN Detectssoftwaredesignedtocapturesensitiveinformationandremovesitfromthecomputer电脑检测软件定期捕获敏感信息 PreventsknownmaliciousprogramsfrombeinginstalledonWorkstations在工作站上预防已在恶意程序运行 FilterstrafficbasedonsourceanddestinationIPaddressortraffictype基于源\目的IP地址或者流量类型来过滤流量 Identifiesmaliciousnetworktrafficandalertsnetworkpersonnel识别恶意网络流量并向网络人员报警 Antispyware Antivirus IDS firewall315、ifaciscoroutehaslearnedaboutnetwork10.1.1.0frommultiplesources,therouterwillselectandinstallonlyoneentryintotheroutinglable.Indicatetheorderofpreferencethattherouterwillusebydraggigtheroutesonthelefttotheorderofpregerercecategoryontheright S10.1.1.0/24[1/0]via10.1.2.2 R10.1.1.0/24[120/3]via10.1.3.1.serial0 D10.1.1.0/24[90/2171416]via10.1.5.5.serial0 S10.1.1.0isdirectlyconnectedserial1 O10.1.1.0/24[110/789]via10.1.3.1.serial0 Firstpreference Secondpreference Thirdpreference Fourthpreference Fifthpreference316、dragthedescriptiononthelefttotheroutingprotocolontheright.(notallpotionsareused) isvendor-specific厂商指定 usescostasitsmetric用成本作为metric值 useshopcountasitsmetric用跳数作为metric值 usestheBellman-Fordalgorithm用贝尔曼福特算法 electsaDRoneachmultiaccessnetwork选举DR hasadefaultadministrativedistanceof90默认的管理距离是90 eigrp isvendor-specific hasadefaultadministrativedistanceof90 ospf usescostasitsmetric electsaDRoneachmultiaccessnetwork317、dragtheoptionsontheleftunderthetypeofswitchportthattheydescribeontheright carriestrafficforasingleVLAN携带单独的VLAN数据 facilitatesinterVLANcommunicationwhenconnectedtoaLayer3device使用三层设备来使VLAN间的信息传播 connectsanend-userworkstationtoswitch用户或客户端连接到一台交换机 carriestrafficformultipleVLANS传送多个VLAN信息 user802.1qtoidentifytrafficfromdifferentVLANS用802.1q去封装信息 userastraight-throughcabletoconnectadevice使用直通线去来连接一台设备 AccessPort carriestrafficforasingleVLAN connectsanend-userworkstationtoswitch userastraight-throughcabletoconnectadevice TrunkPort user802.1qtoidentifytrafficfromdifferentVLANS carriestrafficformultipleVLANS facilitatesinterVLANcommunicationwhenconnectedtoaLayer3device318\ Bits packets UDP Ipaddresses segments MACaddress windowing routing switching Netwoklayer packets ipaddress routing Transportlayer segments windowing UDP319 theIOSislocatedandloadedbasedonbootsystemcommandsinNVRAM加载IOS Ifnoiossloacted,thesetupdialogimtiates therouterlooksfortheconfigurationfileinNVRAM加载配置文件 ifnoconfigurationfileislocated，thesetupdialoginitiates如果没有配置文件，进入初始化状态 thepower-onselftestexecutes开机自检 TherouterentersROMmonitormode thebootstraploaderinROMexecutes加载ROM中的微代码 Step1 Step2 Step3 Step4 Step5320 0directlyconnectednetwork 1staticrouterreferencingIPaddressofnexthop 20 90internalEIGRProuter 100 110OSPF 120RIP 130 RIP OSFP staticrouterreferencingIPaddressofnexthop internalEIGRProuter directlyconnectednetwork321\routinghasbeenconfiguredonthelocalrouterwiththesecommands:local(config)#iprouter0.0.0.00.0.0.0192.168.1.1local(config)#iprouter10.1.0.0255.255.255.0192.168.2.2local(config)#iprouter10.1.0.0255.255.0.0192.168.3.3drageachdestinationipaddressonthelefttoitscorrectnexthopaddressontheright 10.1.1.10 10.1.0.14 10.2.1.3 10.1.4.6 10.1.0.123 10.6.8.4 Nexthop192.168.1.1 10.2.1.3 10.6.8.4 Next192.168.2.2 10.1.0.14 10.1.0.123 Next192.168.3.3 10.1.1.10 10.1.4.6322\ holddowntime保持时间 poisonreverse路由中毒 Counttonfinity lsa splithorizon水平分割 Arouterlearnsfromitsneighborthatarouteisdownandtheroutesendsanupdatebacktotheneighborwithaninfinitemetrictothatroute. Thepacketsfloodedwhenatopologychangeoccurs,causingnetworkrouterstoupdatetheirtopologicaldatabasesandrecalculateroutes. Thispreventssendinginformationaboutaroutebackoutthesameinterfacethatoriginallylearnedabouttheroute. Foragivenperiodthiscausestheroutetoignoreanyupdateswithpoorermetricstoalostnetwork.323 Layer1problem Layer2problem Layer3problem portoperational portdisable Serial0/1isup，lineprotocolisup Serial0/1isup，lineprotocolisdown Serial0/1isdown，lineprotocolisdown Serial0/1isadministratively，lineprotocolisdown324 fasterconvergence快速收敛 sendsfrequentupdates发送频繁更新 lesscomplexconfiguration不太复杂的配置 susceptibletoroutingloops容易受到路由环路的影响 usesonlyevent-triggeredupdates只使用触发更新 exchangesfullroutingtableinupdates升级时改变所有路由 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf sametopologyinformationheldbyallrouters相同的路由信息对于所有路由器 requiresmorememoryandprocessingpower需要更多的内存来处理数据 RIPV1 susceptibletoroutingloops lesscomplexconfiguration sendsfrequentupdates exchangesfullroutingtableinupdates ospf requiresmorememoryandprocessingpower usesonlyevent-triggeredupdates sametopologyinformationheldbyallrouters fasterconvergence325 routertohub PCtorouterFa0/0 PCtoswitchFa0/1 modemtorouterauxiliaryport PCserialporttoswitchconsoleport switch1portFa0/1toswitch2portFa0/1 crossover PCtorouterFa0/0 switch1portFa0/1toswitch2portFa0/1 straight-through PCtoswitchFa0/1 routertohub rolover PCserialporttoswitchconsoleport326 Interactiveconfiguration Providesaccesstoallotherroutercommands Commandsthataffectinterfaces/processesonly Commandsthataffecttheentiresystem Limitedtobasicmonitoringcommands UserEXECmode PrivilegedEXECmode Globalconfigurationmode Specificconfigurationmodes Setupmode327 root listening learning active forwarding blocking populatingtheMACaddresstablebutnotforwardingdataframes sendingandreceivingdataframes preparingtoforwarddatedframeswithoutpopulatingtheMACaddresstable preventingtheuseofloopedpaths328 ipdefault-gateway interfacevlan1 hostname ipaddress enable noshutdown configureterminal Allowsaccesstohigh-leveltestingcommandssuchasdebug Allowsaccesstoconfigurationcommandsthataffectthesystemasawhole Setsthesystemname ActivatestheinterfaceconfigurationmodeforVLAN Enablestheswitchmanagementinterface SetstheswitchmanagementIPaddress Allowstheswitchtobemanagedfromremotenetworks329 Denyip192.168.35.550.0.0.0host192.168.35.66 Denyip192.168.35.160.0.0.15host192.168.35.66 Permitipanyany Permitip192.168.36.00.0.0.255host192.168.35.66 Blockonlytheusersattachedtothee0interfaceoftheMissourirouterfromaccesstotheaccountingserver BlockauserfromtheAlabamae0networkfromaccesstotheaccountingserver preventallusersfromoutsidetheenterprisenetworkfromaccessingtheaccountingserver330 0.0.0.0 192.168.125.0 192.168.125.32 192.168.125.34 255.255.255.255 Ip Tcp udp Protocol ip Address 192.168.125.34 Mask 0.0.0.0331332333334335336 verifyURL verifyNICoperation verifyIPconfiguration verifyEthernetcableconnecion source Step1 Step2 Step3 Step4 taraet337 CIR DCE DTE LMI PVC SVC DLCI Arouteristhistypeofdevice Themostcommontypeofvirtualcircuit ProvidesstatusmessagesbetweenDTEandDCEdevices IdentifiesthevirtualconnectionbetweentheDTEandtheswitch338 0 1 23 63 64 80 128 255 List-number 128 address 64 mask 63 port 23339 Lowspeed Quality Morecomplex cost Limitedflexibility efficient Pointtopointadvantage Quality Pointtopointdisadvantge Limitedflexibility Circuitswitchedadvantage efficient Circuitswitcheddisadvantage Lowspeed Packetswitchedadvantage cost Morecomplex340 Thenumberofpoint-to-pointlinksinatransmissionpath Thedatacapacityofalink Theamountoftimerequiredtomoveapacketfromsourcetodestination Theamountofactivityonanetworkresource Usuallyreferstothebiterrorrateofeachnetworklink Aconfigurablevaluebasedbydefaultonthebandwidthoftheinterface Cost Load Bandwidth Hopcount Reliability delay