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培训大讲堂YY频道H3CSE题考试代号:GB0-80通过分数:题库版本:思科、、微软、LINUX、数据库、等IT课程循环开课,网络技术,从零开始;技术讲座,永久免费;尽在鸿鹄。 /forum-346-培训大讲堂YY频道 (500人超级群H3CSE题库战报交流区: /forum-304-1000G免费 /forum-228-鸿鹄QUESTIONSWA该BPDU为配置BPD,目的地址为01-80-C2-00-00-该BPDU的发送周期为ime端口保存该BPDU的老化时间为Answer:QUESTION关于配置BPDU和TCMBPDU,说法正确的配置BPDU仅从指定端口发出,TCNBPDU配置BPDU通常仅从根端口接收,TCNBPDU Answer:QUESTION关于TCNBPDU的产生,下列说法正确iTCNAnswer:QUESTION协议报文,报文Priority字段AuthType字段值为2,路由器RTB启用VRRPV2路由器RTB启用VRRPV3路由器RTB为VRRPIP路由器RTB启用了VRRPAnswer:QUESTION二台路由器通过局域网连接在一起,组成VRRP[RTA-Githe1/0]displaythisiaddress52vrrpvrid1virtual-ipvrrpvrid1priority[RTB-GibtEthere10dlythisiaddress53vrrpvrid1virtual-ipRTA为备份组Master路RTB为备份组Master路RTA、RTB都处于VRRPMaster状态Answer:QUESTION二台路由器通过局域网连接在一起,组成VRRP备份组在各接口上对VRRP[RTA-Githe1/0]vrrpvrid1imradvertise5[RTB-Githvrpvrid1imradvertise5VRRP备份组1运行正常,RTA为Mate,RTB为Backup若设备运行一段时间后,路由器RTA351220Answer:QUESTION经过扩散-剪枝过程,形成组播源到组播接收者之间的扩散-剪枝过程周期进Answer:QUESTION进入IGMPSB置IGMpi议版配置PIM通过mtiarouieale命令全局启用组Answer:QUESTIONIGMPSnoo功IGMPPIMBSR配Answer:QUESTIONAnswer:QUESTION以下属于层功能的是(选择一项或多项Answer:QUESTIONAnswer:QUESTION关于IGMPSnoo正确的同一个VLAN下既可&配置IGM,也可以配置二层设备上使iGPSnoo功能,就能够在数据链路层建立并组播转项,从而在数据链路层Answer:QUESTION层Answer:QUESTION关于RP和BSR,Answer:QUESTIONSmartAnswer:QUESTION路由器组播Answer:QUESTIONAnswer:QUESTION下列关于PIMSSMPIMSSM可以简单看与PIMSM类似,当主机发送加入消息后,设备向组播源方向发送(*,G与PIMSM相比,PIMSSM不需要R,Answer:QUESTIONPIMSSM中DR的组播加入路径是从源到DRPIMSM中DR的组播加入路径是从源到DRPIMSM中RP的组播源加入路径是从源到RP的最优转发路PIMDM中DR的组播加入路径是从源到DRAnswer:QUESTIONAnswer:QUESTIONAnswer:QUESTION(S,G)或(*,G)表项的入接(S,G)或(*:G)表项的上游(S,G)或(*,G)表项的下游接(S,G)或(*:GAnswer:QUESTIONAnswer:QUESTION自动模式下,系统会识别IPPhone发出的报文,如果匹配为语音报文,则将连接IPPhone的端口加入VoiceVLAN手动模式下,需要手工将IPPhone加入VoiceVLANAnswer:QUESTIONPortaL滤Answer:QUESTIONAnswer:QUESTION在如图所示的组网连接中,SWA/SWB/SWC在同一个MSTP域内并配置相同的域配stpregion-cfiatirei-nameh3citance1vnitance2vnitance2vnactiverei-fiiSWA:vlinterface10();vlinterfaceSWB:vlinterface10();vlinterfaceswc:vlinterface20();vlinterface三台交换机可以两两建立OSPF三台交换机中其中有两台交换机无法建立OSPFAnswer:QUESTION在如图所示的组网连接中,SWA和SWB同时开启STP和Loopback-detection请确认SWA和SWA的G1/0/1可能由STPAnswer:QUESTION在如图所示的组网连接中,SWA和SWB为三层交换机,运行STP+VR,且初始配置完成后SWA为STP根和VRRP的MterSW为二层交换机下联接入终端,下列有关网络链路故障后的描述正当SWA和SWB之间的链路中断后,STP的拓扑将变化,SWC的两个上行端口都将变为oi当SWA和SWB之间的链路中断后,VRRP的Master将发生切换,SWB将成为新的当SWA和SWC之间的链路中断后,STP的拓扑将变化,SWC的G1/0/2变为FiSWA和 间的链路中断后,VRRP的Master将保持不变^但SWC下联终端无发和网关通Answer:QUESTION在如图所示的组网连接中,SWA和SWB为三层交换机,运行STP+VR,且初始配置完成后为STP的根和VRRP的MasterSWC为二层交换机下联接入终端下列有关网络链路故障后当SWB和SWC之间的链路中断后,STP其余链的端口状态没有变化,都仍然保持oi当SWB和SWC之间的链路中断后,VRRP的Master将保持不变,SWCWWSWPMat,W下端可Answer:QUESTIONPCA、PCBPCCSWAEthernet1/0/1Ethernet1/0/2端口上,并且其地址处于同一网段,在SWA上査看VLAN[SWA]displayvnVLANID:VLANTy:fiDcripi:VLAN0010Name:VLANTaggedPorts:noneUntaggedPorts:[SWA]displayvn20VLANID:VLANTy:fiDcripi:VLAN0020Name:VLANUntagged[SWA]displayvn30VLANID:VLANTy:fiDcripi:VLAN0030Name:VLANUntaggedPorts:Ethernetl/0/1Ethernetl/0/2PCA可以和PCB互PCA可以和PCC互PCB可以和PCC互PCA、PCB和PCCAnswer:QUESTION在交换机SWA上执行displayifeEthernet1/0/2命令后,输出信息如下[SWA]displayifeEthernet1/0/2Ethernetl/0/2currentstate:UPPVID:10Mditype:Portlink-type:VLANpain:1fltvl,VLANmitt:1(dfltvl,2-4094Portpriority:0端口Ethernetl/0/2只允许VLAN1和VLAN10当前交换机存在的VLAN只有VLAN1和Answer:QUESTION交换机SWA,SWB通过二根光纤千兆以太网链路连接在一起,其换机SWA上有如下接口配置[SWA]interfaceGitEtrt1/0/1[SWA-GigabitEthernet1/0/1]portlink-type[SWA-GigabitEthernet1/0/1]porttrunkmitv110[SWA]interfaceGitEthet1/0/2[SWA-GigabitEthernet1/0/2]portlink-type[SWA-GigabitEthernet1/0/2]porttrunkmitvn1GigabitEthernet1/0/1和Git/2无法加入同一个聚合若SWA4换机开启MST,则GigabitEthernet1/0/1和GigabitEthernet1/0/2之中有一个会被MST,Answer:QUESTION报文进入交换机端口后,会默认根据DSCPAnswer:QUESTION交换机的MACMAC地端IP地Answer:QUESTION交换机SWA,SWB和SWCSWA马上向SWB发送第一个Join信息,再等待Jointimer时间发送第二个JoinSWA等待lim时间向SWB发送第一个Join消息,再等待Jointime时间发送第二个JoinlimAnswer:QUESTION要把交换机SWA的Ethernet1/0/1端口配置为ri端口,其PVID为VLA2,且在发送 ,在发送VLAN10的数据帧时 WvvWvln20[SWA-vlportEthernet1/0/1vlt[SWA]interfaceEthernet1/0/1[SWA-Ethernet1/0/1]portlink-typehybrid[SWA-Ethernet1/0/1]portivln10taggedWvvWvln20vlt[SWA]interfaceEthernet[SWA-Ethernet1/0/1]portlink-typehybrid[SWA-Ethernet1/0/1]porthybridvvn20[SWA-Ethernet1/0/1]porthybridv10taggedWvvltWvln20vlt[SWA]interfaceEthernet[SWA-Ethernet1/0/1]portlink-typehybrid[SWA-Ethernet1/0/1]porthybridvidv20[SWA-Ethernet1/0/1]porthybridv10[SWA-Ethernet1/0/1]porthybridv20[SWA]interfaceEthernet[SWA-Ethernet1/0/1]portlink-typehybrid[SWA-Ethernet1/0/1]porthybridvidv20[SWA-Ethernet1/0/1]porthybridv10[SWA-Ethernet1/0/1]porthybridv20untaggedWv[SWA-vltWvlnAnswer:QUESTION有效识别合法和用Answer:QUESTIONifeEthernet1/0/1portlink-typetrunkmivporttrunkvidvi [SWA-Ethernet1/0/1]portlink-typeaccess[SWA-Ethernet1/0/1]portaccessvn20[SWA-Ethernet1/0/1]portlink-typehybrid[SWA-Ethernet1/0/1]porthybridvn10[SWA-Ethernet1/0/1]portlink-typeaccess[SWA-Ethernet1/0/1]portlink-typehybrid[SWA-Ethernet1/0/1]porthybridvidv[SWA-Ethernet1/0/1]porthybridv10li[SWA-Ethernet1/0/1]rlitypehybrid[SWA-Ethernet1/0/1]porthybridvvn20[SWA-Ethernet1/0/1]porthybridvn10[SWA-Ethernet1/0/1]portlink-typeAnswer:QUESTION交换机SWA的EthernetsifeEthernet1/0/1portlink-typetrunkmivporttrunkvidv现在要把交换机SWA的Ethernet1/0/1端口修改为i端口,PVID为VLA,且在发送VLAN20数据帧是不打,在发送VLAN10的数据帧打,则下面的配置过程正确的是(选择一项或多项[SWA-Ethernet1/0/1]portlink-typeaccessv[SWA-Ethernet1/0/1]portlink-typehybrid[SWA-Ethernet1/0/1]porthybridvn10[SWA-Ethernet1/0/1]portlink-typeaccess[SWA-Ethernet1/0/1]portlink-typehybrid[SWA-Ethernet1/0/1]porthybridvidv[SWA-Ethernet1/0/1]porthybridv10li[SWA-Ethernet1/0/1]rlitypeiWEthernet1/0/1]porthybridvidv20[SWA-Ethernet1/0/1]porthybridv10tagged[SWA-Ethernet1/0/1]portlink-typeAnswer:QUESTION交换机SWA使用出厂缺省配置现在要把交换机SWA的Ethernet1/0/1端口配置为Trunk端口为VLA2,且允许VLAN10下面的配置过程正确的是WvvltWv20[SWA-vlportEthernet1/0/1[SWA-vl]quit[SWA]interfaceEthernet1/0/1[SWA-Ethernet1/0/1]portlink-typetrunk[SWA-Ethernet1/0/1]porttrunkmitv10WvvltWvln20vlt[SWA]interfaceEthernet[SWA-Ethernet1/0/1]portaccessvn20[SWA-Ethernet1/0/1]portlink-typetrunktrunkmitvWvvltWvin20vlt[SWA]interfaceEthernet[SWA-Ethernet1/0/1]portlink-typetrunk[SWA-Ethernet1/0/1]porttrunkvidv20[SWA-Ethernet1/0/1]porttrunkmitvn10[SWA]interfaceEthernet[SWA-Ethernet1/0/1]portlink-typetrunk[SWA-Ethernet1/0/1]porttrunkvv20miv[SWA-Ethernet1/0/1]quitWvln10[SWA-vltWvlnAnswer:QUESTION添加Portal添加IAS设备(IllsSystem,系统Answer:QUESTIONVLAN通过,三台交换机都开启了全局和端口的GVRP功能在交换机SVVA上创建了VLAN10,在交换机上创建了VLAN20,在三台交换机上査看各Trunk[SWA]displayifeEthernet1/0/1Ethernetl/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvl[SWB]displayifeEthernet1/0/1Ethernetl/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvl[SWB]displayifeEthernet1/0/2Ethernetl/0/2currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvl[SWC]displayifeEthernet1/0/1Ethernetl/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvlAnswer:QUESTIONVLAN通过,三台交换机都开启了全局和端口的GVRP功能在交换机SVVA上创建了VLAN10,在交换机VLAN20,在三台交换机上査看各Trunk端口状态信息,下面显示正确的是(选择一项或多项[SWA]displayifeEthernet1/0/1Ethernetl/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,VLANmitt:1(dfltvl,2-4094[SWB]displayifeEthernet1/0/1Ethernet1/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvl[SWB]displayifeEthernet1/0/2Ethernet1/0/2currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvl[SWC]displayifeEthernet1/0/1Ethernet1/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvlAnswer:QUESTIONIUSClit上没有指定缺省RADIUSServer与RAD旧slitRADIUSServer与RAD旧slitAnswer:QUESTION交换机SWA上启用了GVR,设置 [SWA-Eterpimrjoin[SWA-Ethernet1/0/1]garpimrjoin[SWA-Etherrpimrlve[SWA]garptimrlvllAnswer:QUESTION如果交换机的某个端口下同时开启了基于端口的VLAN、基于MAC地址的VLAN、基于协议的VLAN和基于子网的VLA,则缺省情况下,VLAN将按照顺序进行匹端口VLANMACVLANVLANIP子网端口VLANIP子网VLAN端口VLANMACMACVLAN口VLAN议VLANMACVLAN网VLAN议VLANAnswer:QUESTION如下哪些报文是TACACStAnswer:QUESTION 重新配置的优点-(选择一项或多项基于MAC地址的基于IP子网的Answer:QUESTION没有配置根桥保护时,根桥收到优先级更高的BPDU配置根桥保护后,端口收到了优先级高的BP,这些端口的状态将被设置为Listening不再转发报端口会经历从Listening状态到Fonarin状态的转变,在此期间如果端口没有收到更优的BPDUAnswer:QUESTIONtAnswer:QUESTIONGitWv2[SWA-vltGigabitEthernetWv3[SWA-vltGigabitEthernetWvl[Wv10]isolate-user-v[SWA]isolate-user-vn10secondary23Wvi[Wv10]portGigabitEthernet1/0/3Answer:QUESTIONPVID都为VLAN10在SWA上执行命令undovlififth1portaccessvnifeEthernet1/0/2portlink-typetrunkporttrunkmitvnifeEthernet1/0/2portlink-typetrunkporttrunkmitv1porttrunkvidvnifEthe3portlink-typehybridporthybridv1ifth3portlink-typehybridporthybridv1untaggedporthybridvidvnAnswer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-user-vlVLA和VLAN3为VLAN10的SecondaryVLAN;交换机SWBVLAN2?VLAN20,VLAN20为Isolate-user-vl,为VLAN20的SecondaryVLAIPPCA可以和PCB互PCA可以和PCC互PCA可以和SWA互PCA可以和SWB互SWA可以和SWB互Answer:QUESTION需要在服务器端配置客户端的RSAAnswer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-user-vnVLAN2和VLAN3为VLAN10的SecondaryVLAN;交换机SWBVLAN2?VLAN20,VLAN20为Isolate-user-vl,VLAN20SecondaryVLAN设置IP后SWA上査看MAC地址表,将显示PCB属Answer:QUESTIONsnmp-snmp-agentmmiyreadpublicsnmp-agentsys-infovinallAnswer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-user-vnVLAN2和VLAN3为VLAN10的vVLAN20的SecondaryVLANIP地址后,在SWA和SWB上都开启了本地ARP功能。最初时,交换机和pc没有学习到各自对应的ARP表项在PCAPCB的过程中,PCA会发送Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-user-vnVLAN2和VLAN3为VLAN10的SecondaryVLANSWB上创VLAN2?VLAN20VLAN20Isolate-user-vl,VLAN4为VLAN20的SecondaryVLA按照如图所示设置好各设备的IP地址后,如果在SWA和SWB上都开启了本地ARP功能,并且SWA和SWB都允许发送ICMP报文,则在PCA上执行命令tracert,PCA上将显示需要经过跳才能到达PCB(请填写数字)Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-user-vnVLAN2和VLAN3为VLAN10的SecndayVAN;交换机B上创建VAN2VAN2,并且设置VAN20为Isoat-uer-vl,VLA4为VAN20的SconaryVA按照如图所示设置好各设备的IP地址后,如果在SWA和B上都开启了本地ARP功能,并且A和SWB都允许发送IMP报文,则在A上执行命令tracet10..1.2,PCA上显示Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-user-vnVLAN2和VLAN3为VLAN10的SecondaryVLAN;交换SWBVLAN2?VLAN20VLAN20为Isolate-user-vl,VLAN4为VLAN20的SecondaryVLA按照如图所示设置好各设备的IP地址后,在SWA和SWB上都开启了本地ARP功能最初时,交换机和pc没有学习到各自对应的ARP表项在PCAPCB的过程中,PCA会发送ARP请Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-user-vnVLAN2和VLAN3为VLAN10的SecondaryVLAN交换SWBVLAN2-VLA,并且设VLAN20为Isolate-user-vlanVLAN4为VLAN20的SecondaryVLAN照如图所示设置好各设备的IP地址后,下面说法正确的为(选择一项或多PCA的报文从SWA的GigabitEther1/0/1端口进入,从GigabitEther1/0/3VLANTag为VLAN2SWBPCA时,报文从SWB的GitEhem所带的VLANTag为VLANSWB的报文从SWA的GigabitEthem1/0/3端口进入,从GigabitEthem1/0/1端口出来后所带的 Answer:QUESTION在vl的消息中,由Agent发往NMS的消息txtAnswer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-user-vlVLA和VLAN3为VLAN10SecondaryVLAN在以下SWA上VLAN10虚接口链路层UP?(选择一项或多项GigabitEthernet1/0/1端口GigabitEthernet1/0/2端口GigabitEthernet1/0/3端口GigabitEthernet1/0/1、GigabitEthernet1/0/2和GitEthm三个端口都Answer:QUESTION主机PCA、PCBPCCSWAGibtEthert/0/UP、Ethernet1/0/2Ethernet1/0/3端口上,并且其地址处于同一网段,i交换&SWAWv[SWA-vlportethernet1/0/1vltWv[SWA-vlportethernet1/0/2vltWv[SWA-vlportethernet1/0/3vlt[SWA]interfaceethernet1/0/1[SWA-Ethernet1/0/1]portlink-type[SWA-Ethernet1/0/1]porthybridv1030untagged[SWA]interfaceethernet[SWA-Ethernet1/0/2]portlink-type[SWA-Ethernet1/0/2]porthybridv2030untagged[SWA]interfaceethernet[SWA-Ethernet1/0/3]portlink-type[SWA-Ethernet1/0/3]porthybridv102030-于上述信息可以判断(选择一项或多项PCA和PCBPCA和PCCPCB和PCCAnswer:QUESTION要通过SNMP査询某设备的CPU设备的管理IP设备CPU利用率的Answer:QUESTIONA.端口镜像必须包含镜像源交换目的交换B.端口镜像的反射端口是必不可少C.端口镜像的ProbeVLAN应该MAC地址学Answer:QUESTIONNTPNTPAnswer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为SuperVLA,VLAN2和VLAN3为VLAN10的VLA,端口Ethernet1/0/3为Trunk端口,PVIDVLAN,允许所有VLAN通过;交换机SWB上创建VLA2~VLA,端口Ethernet1/0/4为Trunk端口,PVID为VLA,允许所有VLAN通过按照如图所示设置PCA可以和PCB互PCA可以和PCC互PCA可以和SWA互PCA可以和SWB互Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为SuperVLA,VLAN2和VLAN3为VLAN10的VLA,端口Ethernet1/0/3为Trunk端口,PVIDVLAN,允许所有VLAN通过;交换机SWB上创建VLA2~VLA,端口Ethernet1/0/4为Trunk端口,PVID为VLA,允许所有VLAN通过按照如图所示设置SWB可以和PCA互SWB可以和PCB互SWB可以和PCC互SWB可以和SWA互Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为SuperVLA,VLAN2和VLAN3为VLAN10的VLA,Ethernet1/0/3为Trunk端口,PVIDVLAN,VLAN通过SWB上创建VLA2~VLA,端口Ethernet1/0/4为Trunk端口,PVID为VLA,允许所有VLAN通过按照如图所示设置Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为SuperVLA,VLAN2和VLAN3为VLAN10的VLA,端口Ethernet1/0/3为Trunk端口,PVIDVLAN,允许所有VLAN通过;交换机SWB上创建VLA2~VLA,端口Ethernet1/0/4为Trunk端口,PVID为VLA,允许所有VLAN通过按照如图所示设置PCASWAEthernet1/0/1Ethemet1/0/3端口出来不带PCA的报文SWAEthernet1/0/1Ethemet1/0/3端口出来所带VLANTagVLANPCA的报文从SWA的Ethernet1/0/1端口进入,从Ethernet1/0/3端口出来后所带的VLANTag为PCA的报文从SWA的Ethernetl/0/1端口进入,从Ethernet1/0/3端口出来后所带的VLANTag为VLANAnswer:QUESTION,,Wv2[SWA-vl]tEthernetWv3[SWA-vl]tEthernetWv[SWA-v10]supervWv[SWA-vvlWv[SWA-vvln2Wvl0vln2Wv[SWA-vl]ll-proxy-arpenable[SWA]ifeVlan-interface10[SWA-Vlan-interface10]ipaddress[WAifl-interface[SWA-Vlan-interface10]ipaddress[SWA-Vlan-if]ll-proxy-arpenableAnswer:QUESTION,VL,要求PCA和PCB可以互访在完成交换机SWA的配置后,在PCA可 通PCB之后,关于PCAyiyi00E0-FC0A-0010miSWAARPi项为:IPAddressMACAddressVLANIDInterfaceAgingType0011-1111-11112Eth1/0/120D0022-2222-22223Eth1/0/220DAnswer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为SuperVLA,VLAN2和VLAN3为VLAN10的VL,端口Ethernet1/0/3为Trunk端口,PVIDVLA,允许VLAN过;交换机SWB上创建VLA2~VLA,端口Ethernet1/0/4为Trunk端口,PVID为,允许所有VLAN通过SWA上査看[SWA]displayifeEthernet1/0/3Ethernet1/0/3currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,2-mitflvl[SWA]displayifeEthernet1/0/3Ethernet1/0/3currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,2-mitflvlTrunkportencapsulation:IEEE802.1q[SWA]displayifeEthernet1/0/3Ethernet1/0/3currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvlTrunkportencapsulation:IEEE802.1q[SWA]displayifeEthernet1/0/3Ethernet1/0/3currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvlAnswer:QUESTION关于Isolate-user-vl技术和 VLAN技术的描述,下面正确的Isolate-user-vl是一个二层VLAN技术,所以支持isolate-user-vl技术的交换机都是二层交SuperVLAN技术也称为VLAN聚合:主要目的是为解决IP地址浪费或VLANSuperVLAN是一个三层VLAN技术,所以支持SuperVLAN技术的交换机都是三层交换Answer:QUESTION在交换机SWA上执行displayinterfaceEthernet1/0/1命令后,输出信息如[SWA]displayifeEthernet1/0/1Ethernet1/0/1currentstate:UPPVID:10Mditype:Portlink-type:VLANpain:1fltvl,VLANmitt:1(dfltvl,2-4094Portpriority:0端口tmlO是一个Trunk端口,只允许VLAN1和VLAN10不带VLAN的数据帧进入端口Ethernet1/0/1时会被打上VLAN1的Answer:QUESTION关于Isolate-user-v和SuperVLAN的配置,下面描述正确的Isolate-user-vl接口上开启本地ARP功能后可以实现不同SecondaryVLAN内的主机互SuperVLAN接口开启本地ARP功能后可以实现不同SubVLAN内的i机互建立Isolate-user-vl和SecondaryVLAN映射关系后,系统将向SecondaryVLAN中添加/删除端口以及删除VLAN的操作建立SuperVLAN和SubVLAN映射关系后,系统将向SubVLAN中添加/删除端口以及刪除Answer:QUESTIONSubVLAN只包含物理端口,内部主机以SuperVLANSubVLAN包含的物理端口都属于SuperVLANAnswer:QUESTION不同SubVLAN中的主机之间二层,三层可以通过SuperVLAN接口的普通ARP技术实现互不同SubVLAN中的主机之间二层,三层可以通过SuperVLAN接口的本地ARP技术实现互Answer:QUESTION[H3]ntp-vicerefclock-master该命令可以在所有H3CAnswer:QUESTION在H3C系列交换机上设置当前VLAN的类型为SuperVLAN的配置Answer:vlQUESTIONGit PC,但PCAPCB之间互相,下面哪些技术或方法可以实现客户的需端口技利用端口HriIsolate-user-vAnswer:QUESTION在H3C系列交换机上开启全局GVRP功能的配置命Answer:QUESTIONleAnswer:QUESTION为stpilAnswer:QUESTION如图所示的网络中,交换机SWA为二层交换机,路由器RTA为各PC的网关在路由器RTA上做了]ifeEthernet[RTA-Ethernet0/0.1]ipaddress[RTA-EthernetO/0.1]vltypedotlqv1[RTA-Ethernet0/0.1Jinterfaceethernet[RTA-Ethernet0/0.2]ipaddress[RTA-trt/.vl-typedotlqv2[RTA-Ethernet0/0.2]interfaceethernet[RTA-Ethernet0/0.3]ipaddress[RTA-trt/.vl-typedotlqv3交换机SWA上完成相配置后,PCA、PCB和PCC都可以通自己的网关,下面关于交换机SWA端Ethernet1/0/4正确的是(选择一项或多项if4portlimodebridgeportlink-typetrunkmivif4portlimodebridgeportlink-typetrunkmvporttrunkvidv2ifportlimodebridgeportlink-typetrunkmvporttrunkvidv3ifeEthernet1/0/4portlimodebridgeportlink-typetrunkporttrunkmitvallvvAnswer:QUESTION如图所示的网络中,在交换机SWA上完成相应配置后,交换机SWA接收到PCAPCB的数据帧时,根来判断査MAC地址表还是数据帧的VLAN数据帧的目的MAC数据帧的源MAC数据帧的源MAC数据帧的源IPAnswer:QUESTION如图所示的网络中,在交换机SWA上完成相应配置,且交换机SWA和各PC都学习到了相应的PCB时发送了I请求报文,报文的目的MAC地址为MAC-MAC-Answer:QUESTION如图所示的网络中,在交换机SWA上完成相应配置,且交换机SWA和各PC都学习到了相应的PCB发送了I请求报文,交换机SWA向PCB转发此MAC地址Answer:QUESTION下面关于交换机VLAN交换机划分VLAN后,只有本VLAN内的主机可以通信,VLAN换机的Trunk802.1Q协议IPAnswer:QUESTION三层交换机在功能上实现了VLAN的划分、VLAN内部的二层交换和VLAN三层交换机中包含二层VLANAnswer:QUESTION三层交换机收到数据帧进行二/三层转发如果数据帧的目的MAC地址是本交换机的VLAN接口MACA层转发如果数据帧的目的IP地址和源IP地址是同一网段,则交换机做二层如果数据帧的目的IP地址和源IP地址不是同一网段,则交换机査找路由表做三层Answer:QUESTIONAnswer:QUESTION只要给一个VLAN接口配置IP只有给两个及两个以上的VLAN接口配置了IP在删除VLAN接口的主IP地址之前必须先删除从IPAnswer:QUESTION下面关于H3C交换机静态路由描述正确的是(选择一项或多项Answer:QUESTION在交换机SWA上执行displayinterfaceEthernet1/0/1命令后,输出信息如[SWA]displayifeEthernet1/0/1Ethernetl/0/1currentstate:UPPVID:10Mditype:Portlink-type:VLANpain:1fltvl,VLANmitt:1(dfltvl,2-4094Portpriority:0端口Ethernetl/0/1是一个Trunk端口,允许所有VLAN的数据侦通带有VLAN1的数据帧离开端口Ethernetl/0/1时会被剥离带有VLAN20的数据帧可以从端口Ethernetl/0/1转发出带有VLAN10的数据帧进入端口Ethernetl/0/1时不会被丢Answer:QUESTION在交换机SWA上执行displayifeEthernet1/0/1命令后,输出信息如下[SWA]displayifeEthernet1/0/1Ethernetl/0/1currentstate:UPPVID:10Mditype:Portlink-type:VLANpain:1fltvl,VLANmitt:1(dfltvl,2-4094Portpriority:0不带VLAN的数据帧进入端口Ethernet1/0/1时会被打上VLAN10带有 带有VLAN10的数据帧Ethernetl/0/1时不会被剥离Answer:QUESTION在交换机SWA上执行displayifeEthernet1/0/1命令后,输出信息如下[SWA]displayifeEthernet1/0/1Ethernetl/0/1currentstate:UPPVID:10Mditype:Portlink-type:VLANpain:1fltvl,VLANmitt:1(dfltvl,2-4094Portpriority:0带有VLAN10的数据帧离开端口Ethemet1/0/1时会被剥带有VLAN10的数据帧进入端口Ethernet1/0/1时会被丢Answer:QUESTION主机PCA的IP地址为,MAC地址为 接在交换机的GigabitEthernet1/0/1口,在交换机vln10vvln20vllvvvltvln30v[H3C]mac-vnmac-address0022-2222-2222vvln[H3C-vlisubnet-vnipvlt]ifeGitEthert[H3C-GigabitEthernet1/0/1]portlink-typehybrid[H3C-GigabitEthernet1/0/1]porthybridvidvn10[H3C-GigabitEthernet1/0/1]porthybridvn10203040[H3C-GigabitEthernet1/0/1]porthybridprotocol-vnvn200[H3C-GigabitEthernet1/0/1]porthybridip-subnet-vnvn40[H3C-GigabitEthernet1/0/1]mvenableAnswer:QUESTION上,在交换机SWA上配置了如下命令Wv10vltWv20[SWA-vlprotocl-vivvltWv30vlt[SWA]mac-vnmac-address0011-1111-1111vWv[SWA-vlisubnet-vnivlt[SWA]interfaceGitthrt[SWA-GigabitEthernet1/0/1]portlink-typehybrid[SWA-GigabitEthernet1/0/1]porthybridvidv10[SWA-GigabitEthernet1/0/1]porthybridv10203040[SWA-GigabitEthernet1/0/1]porthybridprotocol-vnvn200[SWA-GigabitEthernet1/0/1]porthybridip-subnet-vnvn40[SWA-GigabitEthernet1/0/1]mac-vnenable[SWA-GitEthevlnprecedenceip-subnet-vAnswer:QUESTIONNPAVAN1VLA20且交A设Ehmet/0/口P式Fixd,在台换査各Trunk()[SWA]displayifeEthernet1/0/1Ethernet1/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,VLANmitt:1(dfltvl,2-4094[SWB]displayifeEthernet1/0/1Ethernetl/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvl[SWB]displayifeEthernet1/0/2Ethernetl/0/2currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvl[SWC]displayifeEthernet1/0/1Ethernetl/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvlAnswer:QUESTION许所有VLAN通过,三台交换机都开启了全局和端口的GVRP功能在交换机SWA上创建了 在三台交换机査看各Tmnk端口状态信息,下面显示正确的是(选择一项或多项[SWA]displayifeEthernet1/0/1Ethernetl/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvl[SWB]displayifeEthernet1/0/1Ethernet1/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvl[SWB]displayifeEthernet1/0/2Ethernet1/0/2currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvl[SWC]displayifeEthernet1/0/1Ethernet1/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvlAnswer:QUESTIONVLAN通过,三台交换机都开启了全局和端口的GVRP功能在交换机SWA上创建了VLAN10,在交换机上创建了VLAN20,并且在交换机SWA上设置Ethernetl/0/1端口的GVRP模式Fixed,在SWA上执行displayvl上存在的VLAN有(选择一项或多项Answer:QUESTIONVLAN通过,三台交换机都开启了全局和端口的GVRP功能在交换机SWA上创建了VLAN10,在交换机SWC上创建了VLAN20,并且在交换机SWA上设置Ethernetl/0/1端口的GVRP模式为Fixed,在SWB上执行displayvl命令査看VLASWB上存在的VLAN有(选择一项或多项)Answer:QUESTIONNA上创建了VAN10上了VLA20并且交机A设Etheretl/01端GVRP模为Frbiddn,在台交换上Trun)[SWA]displayifeEthernet1/0/1Ethernet1/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1(fltvlmitflvl[SWB]displayifeEthernet1/0/1Ethernet1/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1(fltvlmitflvl[SWB]displayifeEthernet1/0/2Ethernet1/0/2currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvl[SWC]displayifeEthernet1/0/1Ethernet1/0/1currentstate:UP......PVID:1Mditype:Portlink-type:VLANpain:1fltvl,mitflvlAnswer:QUESTION主机PCA的IP地址为MAC地址为0011.1111.1111PCA连接在交换机SWAGigabitEthernet1/0/1端口上在交换机SWA上配置了如下命令Wv10vltWv20[SWA-vlprotocl-vivvltWv30vlt[SWA]mac-vnmac-address0011-1111-1111vWv[SWA-vlisubnet-vnivlt[SWA]interfaceGitthrt[SWA-GigabitEthernet1/0/1]portlink-typehybrid[SWA-GigabitEthernet1/0/1]porthybridvidv10[SWA-GigabitEthernet1/0/1]porthybridv10203040[SWA-GigabitEthernet1/0/1]porthybridprotocol-vnvn200[SWA-GigabitEthernet1/0/1]porthybridip-subnet-vnv[SWA-GigabitEthernet1/0/1]mac-vnAnswer:QUESTIONGigabitEthernet1/0/1端口上在交换机SWA上配置了如下命令Wv10vltWv20[SWA-vlprotocl-vivvltWv30vlt[SWA]mac-vnmac-address0011-1111-1111vWv[SWA-vlisubnet-vnivlt[SWA]interfaceGitthrt[SWA-GigabitEthernet1/0/1]portlink-typehybrid[SWA-GigabitEthernet1/0/1]porthybridvidv10[SWA-GigabitEthernet1/0/1]porthybridv10203040[SWA-GigabitEthernet1/0/1]porthybridprotocol-vnvn200[SWA-GigabitEthernet1/0/1]porthybridip-subnet-vnvn40[SWA-GigabitEthernet1/0/1]mac-vnenable[SWA-GitEthevlnprecedenceip-subnet-vAnswer:QUESTIONVLAN通过,三台交换机都开启了全局和端口的GVRP功能在交换机SWA上创建了VLAN10,在交换机SWC上displayvW上存在的VLAN有(选择一项或多项)Answer:QUESTIONVLAN通过,三台交换机都开启了全局和端口的GVRP功能在交换机SWA上创建了VLAN10,在交换机SWC上创建了VLAN20,并且在交换机SWA上设置Ethernetl/0/1端口的GVRP模式为Forbidden,在SWB上执行displayvl命令査看VL^SWB上存在的VLAN有(选择一项或多项)Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10是Isolate-user-vnVLAN2和VLAN3是VLAN10的SecondaryVLAN;交换机SWBVLAN2?VLAN20,VLAN20是Isolate-user-vl,是VLAN20的SecondaryVLAIPPCC可以和PCA互PCC可以和PCB互PCC可以和SWA互PCC可以和SWB互Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-userWVLAN2和VLAN3为VLAN10的SecondaryVLANSWBVLAN2?VLAN20,并且VLAN20Isolate-user-vl,VLAN4为VLAN20的SecondaryVLA按照如图所示设置好各设备的IP地址后,在SWA上査看MAC地址表,可以判Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-userWVLAN2和VLAN3为VLAN10的SecondaryVLANSWB上创VLAN2?VLAN20VLAN20为Isolate-user-vlanVLAN4为VLAN20的SecondaryVLAN按照如图所示设置好各设备的IP地址后,在SWA上査看MAC地址表,可以判Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-userWVLAN2和VLAN3为VLAN10的SecondaryVLANSWB上创VLAN2?VLAN20VLAN20Isolate-user-vl,VLAN4为VLAN20的SecondaryVLAN按照如图所示设置好各设备的IP地址后,在SWB上査看MAC地址表,可以Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-userWVLAN2和VLAN3为VLAN10的v为VLAN20的SecondaryVLANIP地址后,下面说法正确的是(选择一项或多Tag为VLAN2的VLANTag为VLAN20SWBPCA时,报文从SWB的GitEthm所带的VLANTag为Tag为VLAN20Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-userWVLAN2和VLAN3为VLAN10的SecondaryVLAN交换SWBVLAN2-VLA,并且设VLAN20为Isolate-user-vlanVLAN4为VLAN20的SecondaryVLA按照如图所示设置好各设备的IP地址后,下面说法正确的是(选择一项或多项)TagVLAN1Tag为VLAN10SWBPCA时,报文从SWB的Git不带VLANTag为VLAN10Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为Isolate-user-vnVLAN2和VLAN3为VLAN10的SecondaryVLAN交换SWBVLAN2?VLAN20,并且设VLAN20Isolate-user-vlan为VLAN20的SecondaryVLAN按照如图所示设置好各设备的IP地址后,下面说法正确的是(选择一项或多项Tag为VLAN10VLANTagSWBPCA时,报文从SWB的GitEthm端口出来后,所带的VLANTag为SWBSWAGiitEther10/GitEhemAnswer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为SuperVLAN,VLAN2和VLAN3为VLAN10的VL,Ethernetl/0/3为Trunk端口,PVIDVLA,允许所VLANSWB上创建VLA2~VLA,端口Ethernetl/0/4为Trunk端口,PVID为VLAN1,允许所有VLAN通过,按照如图所示设置PCC可以和PCB互PCC可以和SWA互PCC可以和SWB互SWA可以和SWB互Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为SuperVLAN,VLAN2和VLAN3为VLAN10的VL,Ethernetl/0/3为Trunk端口,PVIDVLA,允许所VLANSWB上创建VLA2~VLA,端口Ethernetl/0/4为Trunk端口,PVID为VLAN1,允许所有VLAN通过,按照如图所示设置SWA可以和PCA互SWA可以和PCB互SWA可以和PCC互SWA可以和SWB互Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为SuperVLAN,VLAN2和VLAN3为VLAN10的VL,Ethernetl/0/3为Trunk端口,PVIDVLA,允许所VLANSWB上创建VLA2~VLA,端口Ethernetl/0/4为Trunk端口,PVID为VLAN1,允许所有VLAN通过,按照如图所示设置Answer:QUESTION在如图所示的交换网络中,交换机SWA上设置VLAN10为SuperVLAN,VLAN2和VLAN3为VLAN10的VL,Ethernetl/0/3为Trunk端口,PVIDVLA,允许所VLANSWB上创建VLA2~VLA,端口Ethernetl/0/4为Trunk端口,PVID为VLAN1,允许所有VLAN通过,按照如图所示设置PCC的报文从SWB的Ethernet1/0/4端口出来,进入SWA的Ethernet1/0/3端口后所带的vtag为VLANvvPCC的报文从SWB的Ethernet1/0/4端口出来,进入SWA的Ethernet1/0/3端口后所带的vtagVLANAnswer:QUESTION如图所示的网络中,交换机SWA为二层交换机,路由器RTA为各PC的网关在路由器RTA]ifeEthernet[RTA-Ethernet0/0]ipaddress[RTA-Ethernet0/0]interfaceethernet0/0.2[RTA-Ethernet0/0.2]ipaddress[RTA-trt/.vl-typedotlqv2[RTA-Ethernet0/0.2]interfaceethernet[RTA-Ethernet0/0.3]ipaddress[RTA-trt/.vl-typedotlqv3在交换机SWA上完成相应配置后,PCA、PCB和PCC都可以通自己的网关,下面交换机SWA端Ethernetl/0/4的配置应为(选择一项或多项iftht1/0/4portlimodebridgeportlink-typetrunkmivif4portlimodebridgeportlink-typetrunkmvporttrunkvidv2ifportlimodebridgeportlink-typetrunkmvporttrunkvidv3ifeEthernet1/0/4portlimodebridgeportlink-typetrunkporttrunkmitvallvvAnswer:QUESTION如图所示的网络中,在交换机SWA上完成相应配置,且交换机SWA和各PC都学习到了相应的ARP表项PCB时发送了IM请求报文,报文的目的IPAnswer:QUESTION如图所示的网络中,在交换机SWA上完成相应配置,且交换机SWA和各PC都学习到了相应的ARP表项PCB发送I请求报文,交换机SWA向PCB转发此报文时,报文的源IPAnswer:QUESTION在GARP应用实体之间的信息交换中使用的GARPAnswer:QUESTIONAnswer:QUESTIONAnswer:QUESTION如上拓扑,SWA、SWB和SWC构成的环路启用ST,则如下说法正加入SWD之前,STP收敛后,SWB的端口E0/2为Alternate端加入SWD之前,STP收敛后,SWC会从E0/1和E0/2均收到配置PWWBP,最长oim后W会W送A根的配BPDUAnswer:QUESTION当端口处于Larin状态时,开始学习MAC无论端口最终确定何种角色,在Listening状态和Larin状态停留的时间都为一个ForarDlateinilrntlgAnswer:QUESTIONSWA的端口E0/2和SWC的端口E0/1都将在Listening状态和Larin状态各停留一个ForwardDelaySWB的端口E0/2和SWC的端口E0/2都将在Listening状态和Larin状态各停留一个ForwardDelayFiSWB的端口E0/2会从Forain状态直接进入Blocking状Answer:QUESTION指定端口会经历两个Forala时长进入Forarin状只有指定端口最终会处于Forari只有Alternate端口会处于Blocking角色为Alternate的端口不会经历Listeing状态和Larin状Answer:QUESTION网络拓扑如图在SWA、SWD上启用ST,则关于SWA和SWD端口状态变化的说法正确的ioligSWD的EO/1端口在ListeningSWD的E0/2端口在Larin状态发生端口角色的改变,由指定端口转变为如果将SWD的桥优先级修改0,则SWA的端口E0/2会直接进入Blocking状态,不需要ForwardDelayAnswer:QUESTION网络拓扑如图在SWA、SWD上启用ST,则关于SWA和SWD端口状态变化的说法正确的SWD的端口EO/1会在Listening如果将SWD的端口EO/2链路的开销值改为100,则端口E0/2会立刻转变为新的根端口并进入oiiri如i将SWD的桥优先级设置为0,则SWA的端口E0/1的角色会由指定端口转变为根端口,且在转变过程中FiAnswer:QUESTIONC到C(PC数据)SWB的E0/1SWC可以立即将PCB到PCA的数据转发到PCB到PCA的业务恢复默认需要30Answer:QUESTION如图组网,SWA和SWC启用STP,SWC为根,SWB没有启用STP初始时链路2没有连接,PCB到如此时链障,人将链连,则关PC到PC确的有(C)由于SWB没有启用ST,则PCB到PCA业务恢复默认需要300会产 BPDU并通知SWC,SWC会发送TC置位的配置BPD,此后一段时间SWC和的MAC地址老化时间将变为ForwardDelay该情况下,默认15秒后,PCB到PCAAnswer:QUESTION如图组网,SWB和SWC启用ST,SWC为根,SWA没有启用STP初始时链路2没有连接,PCB发果此时路故障,员将链接,则于C到C正确的有PC)由于SWA没有启用ST,所以业务恢复需要等待SWC的MAC地址老化,默认需要300SWB的端口E0/1需要等待默认30秒进入转发状态,所以PCB到PCA的业务恢复总共需要默认30秒的oi端 链路中断后不会 发 Answer:QUESTION如图组网,SWA和SWB启用ST SWC没有启用STP初始时链路2没有连接,PCB可以将数据发到PCA,果此时链路1故障,人员将链路2连接,则关于PCB到PCA数据传送业的恢复过程的说法正确的有(假由WA路中断会拓扑改处过程,AW恢秒时间当SWB的端口E0/1进入Forarin状态会拓扑改变处理过程,所以业务最终恢复需要默认+15=45秒的时业务恢复需要等待SWC的MAC地址老化,所以需要默认300秒的时Answer:QUESTION如题图,SWA、SWB、SWC和SWD启用了STP,SWA、SWB和SWC组成环路,拓扑稳定后,将SWDSWB相连假设各链路开销相同,则关于STPSWD会从端口E0/1TCNSWB会从端口E0/2TCN如果SWC和SWA之间的链路中断, 会从端 发 如果SWB和SWC之间的链路中断, 均会从端 发 Answer:QUESTION如题图组网,SWA、SWB和SWC启用ST,如果拓扑收敛后,将SWA的桥优先级设置为61440,则下列说SWC收到低优先级的配置BPDU后会立即回应以自身为根的配置SWB在本地保存的配置BPDU老化后会向SWA发送以自身为根的配置Answer:QUESTION如题图组网,SWA、SWB和SWC启用ST,且SWB的MAC地址小于SWA的MAC地址如果拓扑收敛 的桥优先级设置为0,则下列说法正确的WWBPBPD更新SWA会立即确定端口E0/1为根端Answer:QUESTION关于配 BPDU,说法正确的配置BPDU仅从指定端口发出,TCNBPDU配置BPDU通常仅从根端口接收,TCNBPDU端口既不会发送配 也不会发 Answer:QUESTION关于TCNBPDU的产生,下列说法正启用STP的非根桥交换机如果某端口连接了PC机,当该端口进入Forarin状交换机

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