2、R1R1IS-ISR1Level-R1R1Level-R1Level-1-3、R2上執行了如圖所示的配置來單選題過所有接收的路由。假設R1上有一條ath屬性為[100200300400]BGPR2R1ASPath屬中AS的順序，保證路由條目不會被R2的路由策略過濾300-A400-C100-B200-300-A400-B100-C200-300-B400-A100-C200-300-C400-A100-B200-4、除了虛連接之外，OSPFV3HelloIPV6IPv6IPv65MCE(Multi-VPN-InstanceCE，MCE)MCEVPNMCEVPNMCEBGP/MPLSIPVPNVPNMCEPEVPN6StickyMACMAC517、在某運營商MPLSVPN網絡中，存在PE1與PE2兩臺設備進行MPLSVPN的數據轉發，PE1/24的私網路由，在PE1上轉變為VPNv4路由并分配1027PE2。PE2PE1MPLSLSR-ID1025PE2端訪間/24，PE2發送的內外層標簽應為下列哪個選項的組合10251027102710258LDPsessionInitializationKeepaliveInitializationHelloErrorNotification9、OSPFv2IPv4IGP;OSPFV3PV6GP。OSPFV3LSA，OSPFv3LSA10MPLSHeaderTTLIPTTL，LSR11TELNETPingVTYVTY14、MPLS(FEC-FowardingEquivalenceClassFECClassof(FragmentApplicationDestination16、QinQVLAN802.1Q802.1QTagVLANQinQQinQTagTagVLANQinQVLANQinQVLANQinQ17BGP/MPLSIPVPN(siteVPNCEIP18RRRRRRRRBGPRRBGPCluster-19、SDNSDNOpenflowITU20RADIUSRADIUS21esight22、OPEX25OSPFRouterID26IP/MACSpoofingIP/MACSpoofing攻擊，可以采取的配置方法有DHCPSnoopingDHCPREQUESTCHADDRMACTrusted/UntrustedDHCPSnoopingDAlIPSG27IS-ISIS-ISCostIS-ISLevel-1IS-ISLevel-228BGP4IPv6MPREACHNLRIAFISAFI29BGP/MPLSIPVPNPEPEVPNv4ExportRrVPNv4PECEIPV4PECEIPv4VPNV4VPNPEVPNV4PEExportRT和mport30VLANMACMACMACVLAN31OSPF5LSA(ForwardingAddress，FAFALSA應的ABR，因此將到達ABR的下一跳地址作為這條外部路由的下一跳FALSAFALSAPFALSA這個FA地址所標識的設備MPLSLSR-IDLoopback33AACL1，3，5，7BGPA.5B.5C.5D.534BGP/MPLSIPVPNBGP/MPLSIPVPNCE(CustomerEdge)、PE(ProviderEdqe)PPMPLSVPN一般情況下，CEVPNCEMPLS、MP-、在CommunityBGP36OSPFv3Router-IDRouter-IPV4Router-LoopBackIPv4Router-LoopBackIPV4Router-38、以下關于命今“displaycurrent-configurationincludearp"的含義的描述，正確的是ARPARPARP39MPLSLSP、運行LabelMapping41BGPBGPClusterASPathOriginator42MPLSLSPSWASWBLDP不需要在端口上使能mplslsr-iddisplaymac-displayalarmdisplaycpu-displaymemory-45、MPLS1583LicenseMACARP49BGPORFCPUBGPIPPrefixListBGPORFBGP50CEMulti-VPN-InstanceCE，MCE)MCEPEBGPVPNMCEPEMP-BGPMCEBGP/MPLSIPVPNVPNVPNMCEMCEVPN51IS-ISIS-ISflash-flood6maxtimer-interval100Level-2，則以下關于該場景的描述，正確的是哪一項IS-ISLSDBLSP71007LSPIS-ISLSDBLSP90590LSPIS-ISLSDBLSP51005LSPIS-ISLSDBLSP1105110LSP52BGP4Update53DHCPSnoopingDHCPSnoopingVLANDHCPSnoopingVLANDHCPVLANIFDHCPSnoopingDHCPdhcpsnoopingDHCPV4DHCPV654、BGPORFBGPIPPrefixRoute-PolicyCommunityIPPrefixLicense58MTBF、MTTR59MPLSPopMPLSMPLS60IS-ISIS-ISSystemID大的路由進行負載分擔配置等價路由優先級后，IS-IS63、除了虛連接之外，OSPFV3HelloIPv6IPv6LSREgressLSRInLabel16~LSRTransitLSRInLabelDutlabel,InLabelLSRTransitLSRInLabelOutLabelLSRTransitLSROutLabel16~65IS-ISIPv6enableIPv6IS-ISIPv6IS-ISIPv6IS-ISIPv6IS-IS66VLANMACMAC67shamlinkshamlinkVPNVPNshamlinkPEVPN32bitLoopbackVPNMPLSshamlinkbackdoorshamlinkBGPVPNv4shamlinkShamlinkVPNshamPEshamlink68、MACsecMACMACsec69、OSPFV2IPV4IGP，OSPFV3IPV6ICP，OSPFV3OSPFv2HelloDDLSRLSULSAck關于OSPFv3報文以下哪個說法是正確的?OSPFv3OSPFv3IPv6FFO2:5FF2:6OSPFV3OSPFv3HelloIPv670MAC871、R1ping-a.16.2pingIPR1pingIPRIPpingIPpingIP10.11.172LDPLSRLDP，LDPLDP的消息類型73VRRPvrrpvrid1preempt-delayvrrpvrid1preempt-modetimerdelayvrrpvrid1timerdelayvrrpvrid1preempt-74、ASPF(ApplicationSpecificPacketFilter)是種基于應用層的包過濾，它會檢查應用ServerMap那么關于ASPF和Servermap表的說法，錯誤的是ASPFASPFASPFServermapServer-map76IS-ISS-IS缺省情況下，IS-IS缺省路由的收斂優先級是以下哪一項78OSPFV3OSPFRouterDROSPFRouterDRFFO283vswitchVTEPVXLANVXLANVTEPVMARPL3---84DR0，OSPFAlert:86IS-ISLSPIS-ISLSPLSPIS-ISLSPIS-ISLSPLSPIDIS-ISMode-1SPF87BGP/MPLSIPVPNPEPIPv4MP-BGPBPECEIPv4LDP88OSPFV3OSPFv3OSPFv3IPv6FFO2:1FFO2::2OSPFV3OSPFv3HelloIPv689LDPnitializationInitializationHelloKeepaliveErrorNotification90BGP4BGP4MPREACHNLRIBGP4NLRIIPv6BGP4NEXTHOPIPv691MACARPTC-BPDUBPDU92BGPMPLSIPVPNPEVPNv4PEExportRTImportMPLSLDPIPMPLS95OSPFOSPFmaximumload-balancing2，則以下關于等價路由的描述，正確的是哪一項?2RouterIDisis991S-ISIS-ISisistimerholding:multiplier5level-2，則以下關于該場景的描述，正確的是哪一項?101、AgileControllerOSPF網絡類型設置為P2POSPF104、MPLS(ForwardingEquivalenceClass，FEC，FECTTL(TimeToDestinationClassofApplication105BGPVPNpeerx.x.X.XSoopeerx.x.x.xconnect-interfaceloopbackpeerx.x.8.xebgp-max-hoppeerx.x.x.xas-number106OSPFV3Link-LSANetwork-LSA107IPv6進行業務測試,該網絡中有4臺路由器(R1R2、R3和R4)，運行OSPFV3IPv6R5通過在R4的OSPFV3進程中引》直連路由，實現園區網內的設備能夠訪問RS的GEO/0/1R4Type5LSAArea1R4Type5LSAIPv6R2Type4LSAR4RouterR2Type4LSAArea0108IS-IsWideMetriccompatiblenarrowwideIS-ISTLVIS-ISIS-ISwidenarrow，他們可以正常交IS-IS報文進行路中計管1091S-ISipvenabletopologyipv6IPv6SPFSPFIPV4、IPv6IPv4、IPv6SPFIS-IS進程只進行IPV6路由計算，不支持IPV4110DHCPSnoopingDHCPSnoopingDHCPDHCPDHCPDHCP111BGPAS112BGPASPathAS200AS300BGP路由器發出，則以下哪一項正則表達式可以匹配到該條路由113MPLSHeaderTTL114OSPFinitHelloHello由器的OSPFRouterIDDRBOther2-WayExStartMTU2-WayRouterIDIPv6IS-ISIPV61S-ISIPv61S-ISIPv61S-IS116VLANVLANSub-VLANIP117A/BtracertAtracertUDPB118TelnetTCPVTYVTPprotocolinbound119OSPFExstartMTUInitHelloHello由器的OSPFRouterID兩臺路由器數據庫同步完成，OSPFRouterIDDROther2-way120OutboundTrustDMZTrustUntrustTrustLocalDMZUntrust121、LDPLDPLDPLDPLDPLDPLDPPeersLDPLDPLDPLDP122MPLSLSRFECDoDdownstreamondemandFEC，BLSRFEC，LSRLSRLSR123VRRP124MSTPdisplaycurrent-configurationBPDUTunnelMSTPMSTPMSTPbpduVLAN125OSPF，當查看某臺設備的路由表時發現只存在直連路由，哪項操作126isistimerhello5level-2Level-2helloLevel-1Level-2helloLevel-2CSNPLevel-1hello127VRRPVRRPVRRPVRRPVRRP備份組IDMaster11130MP-BGPPECEBGPCEVPNBGPMP-BGPVPNv4BGP-4MP-BGPVPNv4MP-BGPMPREACHNLRIMPUREACHNLRIVPNV4131displaycurrent-configurationIS-ISdisplaysavedConfigurationIS-IS的配置，那么說明?FlashIS-ISIS-ISIS-ISIS-IS132BGPBGPASOriginatorIP134MACMACeStickyMACMACMAC135Flashdirdirdisplaypatch-dir136DHCPSnoopingDHCPSnoopingDHCPV4DHCPSnoopingDHCPVLANDHCPSnoopingVLANDHCP137VRRPVRRPBackupVRRP138、displaycurrent-configurationlincludevlanVLANIFIP139、MACsecMACMACsec141IS-ISWideMetricIS-ISWidenarrow，他們可以正常交互IS-ISIPVLANMCEBGPMPLSIPVPNVPN145、DHCPIPREQUESTIPDHCPDHCPNAKIP0.IPIPV6AuthLinkInstanceIPV6Router147、OSPFv2IPV4IGP，OSPFV3IPv6IGPOSPFV30SPFV2HelloDDLSULSULSAckOSPFv3Pingicmpechorequest149STPSTPBPDUGuardBPDUBPDU相比，具有類似的LSAOSPFv3LSAdisplayinterfacedisplaydisplaydisplaycurrent-152MPLSVPNPE1PE2MPLSVPN，PE1/24PE1VPNv41027PE2。PE2PE1MPLSLSR-ID1025PE2A.B.C.D.通過毫秒級別檢測的BFDOSPFOSPF155BGP/MPLSIPVPNCEPEEBGPCE令，可以查看BGPdisplaybgpvpnv4alldisplaybgpdisplaybgpdisplaybgp156IS-1SIS-ISSystemID配置等價路由優先級后，ISIS157NATno-patOSPFv3IPv6FFO21FF02:2OSPFv3159OSPFV3OSPFV2InstanceAreaIPv6Auth160VRRPVRRPVRRPIDIPVRRPIPtimerholding-multiplier5level-2，則以下關于該場景的描述，正確的是哪一項?displayospflsdbR3LSDB，Area1LSDBdisplayospfIsdbR4LSDB，Area0LSDBCommunity進程自動選擇最大的LoopBackIPv4Router-IPv4Router-進程自動選擇最小的LoopBackIPv4Router-peerXXXXS00peerX.X.X.xebgp-max-hoppeerX.X.X.xas-numberpeerx.x.x.xconnect-interfaceloopback168、BGP/MPLSIPVPNCEPEEBGPCEBGPdisplaybgpdisplaybgpdisplaybgpdisplaybgpvpnv4alldisplaymemory-displayalarmdisplaycpu-displaymacOriginator_AS_Cluster171、MPLS(ForwardingEquivalenceClassFEC)的概念，FEC目的地址(Destination應用協議(ApplicationTTL(TimeTo服務類別(ClassofOSPF網絡類型設置為P2POSPFdisplayiproutingtabledisplaymacaddressMACMACVLANdisplayinterfacebrief176R1ping-a-c32.2.2，以嚇關于該操作的描述，正確的是Ping5ICMPEcho-Requestdisplaydisplaycurrent-displaydisplay178IS-ISIS-IS缺省情況下，IS-IS179IS-ISIPv6enableIPv6IS-ISIPv6IS-ISIPv6IS-ISIPv6IS-ISOSPFRouterOSPFRouter182DHCPSnoopingDHCPSnoopingDHCPDHCPDHCPDHCP183MUXVLANPrincipalVLANMUXVLANVLANSeparateVLANMUXVLANVLANSeparateVLANPrincipalGroupVLANPrincipalPECEBGPPEICEVPNMP-BGPMP_REACH_NLRMP_UNREACH_NLRIVPNv4186BGP/MPLSIPVPNBGP/MPLSIPVPNCECustomerEdge)、PEProviderEdgeP一般情況下，CEVPNCEMPLS，MP-188OSPF5LSAForwarding，AresssFA)的描述，正確的是哪一LSAoriginate-interval0，LSALSALSAOSPFSPFOSPFLSA-originateintervalother-type8RouterLSA8秒AS_InstanceAreaIPv6AuthVLANDHCPSnoopingVLANDHCPVLANIFDHCPSnoopingDHCPMPLSLSR-IDLoopback196Hub&SpokeBGP/MPLSIPVPN，Spoke-PESpoke-CEEBGP，Hub-CEHub-PEOSPFBFDBFDDownOSPFBFDOSPF2-WayBFDBFDOSPFBFDBFDOSPFQinQMACIPIPIPVLANVLANQinQVLANQinQVLAN199OSPFShamLinkVPNMPLSVPNShamLinkBackdoorOSPFShamLinkVPNVPNShamLinkPEVPN32bitLoopbackOSPFShamLinkOSPFShamLink200BGP/MPLSIPVPNPEVPNv4PEExportRTImport201MPLSLSP203BGP/MPLSIPVPNMCEPEl-SPFPRCI-SPFPRCl-SPFPRCPRCI-SPFTotallyNSSA，ABR3LSA，用于該區域內的ABRStubABR3LSA，用于該區域內的設備通過ABRTotallyStub，ASBR5LSA，用于該區域內的ASBRNSSAASBR7LSA，用于該區域內的設備通過ASBRCommunity208MPLSIBGPIPVPNPE、CEBGPCEBGPAS|BGPSooVPN，PECESooBGPPECEBGPVPNASASCEASHub&SpokeHub-CEHub-PEEBGPSpokePESpokeCEOSPFBGP/MPLSIPVPNPELabelmaximumload-balancing2，則以下關于等價路由的描述，正確的是哪—項?2RouterID214IS-ISWideMetricIS-ISwidenarrow，他們可以正常交互IS-IS1835MP-BGPExportMP-BGPVPNv4PECEBGPPECEVPN218IS-ISLSPMPLSLDPIPMPLS223CE(Multi-VPN-InstanceCE、MCEMCEBGP/MPLSIPVPNVPNInitializationHelloKeepaliveErrorNotification225、以下關于命令"displaycurrent-configurationlincludearp"的含義的描述，正確的BGP4MPREACHNLRINetworkAddressofNextHopBGP4NEEXT_HOP51228MACARPlnitHelloHelloOSPFRouterIDisisA.1preempt-delayB.1preempt-modetimerdelayC.ItimerdelayD.1preempt-timer9236MPLSBGPIPVPNPE-CEBGPPECEBGPPEBGPPECEBGPVPNASASCEASCEBGPASBGPSooVPN，PECESooBGPHub&SpokeHub-CEHub-PEEBGPSpoke-PESpoke-CEOSPF237NATNopatIPBGP/MPLSIPVPNPEBGPIPPrefixList240MACARPTC-BPDUBPDU242IPv64SPFV3OSPFv3LSA，下列哪個說法是錯誤的?displaycurrent-confiqurationconfiqurationbqppeerebqp-max-hop-count248MPLSPSWASWBDP不需要在端口上使能mplsIsr-idR1systemID251SWASWCLDPR3Level-1-R3Level-R3Level-R3R1SystemID25541R1、R2、R3OSPF2R2、R3、R4IS-ISR1R4256VLAN3002020-06-0417:22:3817:22:44，00e0-fc3d-3bdbMAC51R20Type1LSA/32R20Type5LSA/32R20Type2LSA/24R20Type3LSA/322592IPv6BGP4+模擬總部與分支的互聯互IPv6UpdateMPREACHNLRIASPath260、如圖所示，Site1Site2BGP/MPLSIPVPNPE1PE2，PE1Site1/24MPBGPPE2PPE1，Site2Site1/243GigabitEthernet0/0/1DHCPOption82SubOption息，則設備會生成Option82，并插入到報文中DHCPSnoopingDHCPServer262BGP，R1R/241320R3R1SystemID266、OSPFV2IPV4IGPOSPFV3Pv6IGP。(OSPFV3OSPFV2DRBDR3IPv6OSPFv3IPv6DRR1100，R210，R3次收斂時，R1DR，R2BDR267、如圖所示，在中型網絡中，BGPRRRRRRRRClusterID268、IS-ISSPFIPv4IPV6IS-ISR2IPV4。關于該網絡的拓撲IPv4IPv6ipv6enableTopologyipv6IS-ISIPv6R1-R3-缺省情況下，IPv4IPv6ISISISISTimerISISCircuit-ISISCircuit-270DHCPSnoopingVLANDHCPSnoopingVLANDHCP272VLANMACMACSystemID通過毫秒級別檢測的BFDOSPFOSPFBFDOSPF275、在如下圖所示的網絡中·SWASWCLDP276R3RSystemIDR3R1circuit-typePingicmpechorequest279、MPLS(FEC-FowardineEquivalenceClass)FEC服務類別(Classof碎片偏移量(Fragment應用協議(Application目標地址(DestinationNLRIPv6NLRIPv6NLRIprefixlengthIPv6NLRI一個新的路徑屬性:MPUNREACH一個新的路徑屬性:MPREACH一個新的路徑屬性:IPv6REACH283、IS-ISipv6enabletopologyipv6285CE(MlultiVPNInstanceCE,MCE)，MCEBGPIMPLSIPVPNVPN288BGPIMPLSIPVPN設備只需要具備基本MPLSVPNBGP/MPLSIPVPNCE(CustonierEdge)、PE(ProviderEdgeP(PEP,CEBGP/MPLSIPVPN289shamlinkshamlinkVPNVPNshamlinkPEVPN32bitLoopbackVPNMPLS,shamlinkbackdoorshamlinkBGPVPNv4shamlinkShamlinkVPNshamPEsham290OSPF291LDPLSRLDP,LDPLDP292DHCPSnoopingVLANDHCPSnoopingVLANDHCPdisplayinterfacedisplaydisplaydisplaycurrent-294BGPIMPLSIPVPN(site).295PEBGPVPNv4BGPdisplaybgprouting-tableaddress-familydisplaybgpvpnv4routing-displaybgprouting-tableipv4-familydisplayvpnv4bgprouting-Area2Type5LSAArea2Type3LSAArea1Type5LSAArea1Type3LSA298MSTPdisplaycurrent-configurationIPDSCPIPPrecedence301LDP302100.S303CommunityBGPAS304IPv64臺路由器(R1、R2、R3和R4)，運行OSPFV3IPv6R5通過在R4的OSPFV3進程中引》直連路由，實現園區網內的設備能夠訪間R5的GEO/0/1R2Type4LSAArea0R4Type5LSAIPv6R2Type4LSAR4RouterR4Type5LSAArea1305、R1R1IS-IS2311VRFtt、rr23306BGP/MPLSIPVPNPE基于接口的MPLSDHCPServerDHCPServer308MPLSMPLS4對于以太網、PPP0VLANtag時，MPLSVLANtag之間S，1bit1OTTLIPTTLTimeToLive，生存時間)意義相似，也具有防309BGP-4PV4MP-BGPBGP-4MP-BGPBGP-VPNV4BGP-IPv6BGP-IPv4BGP-MPIPV6lmportTarget123;ExportTarget:3:121lmportTarget3:12;ExportTarget:12:3分公司2:lmportTarget:3:12;ExportTarget:12:3lmportTarget11ExportTarget:3:31lmportTarget3ExportTarget:1:12lmportTarget33ExportTarget:總公司:lmportTarget:1:1,2:2;ExportTarget:3:3分公司1:lmportTarget33;ExportTarget1:12lmportTarget33ExportTarget:lmportTarget22ExportTarget:3:3D1lmportTarget3:3，ExportTarget:1:1分公司2:lmportTarget:3:3;ExportTarget:2:2displaylogbuferflash:/lodfileFIP/TFTPPC313DHCPSnoopingDHCPSnoopingDHCPVLANDHCPSnooping314、EGPBGP，BGPMD5KeychainBGPBCGPKeychain315VLANIPVLANSub-VLAN316、ping-aX-cY-sz-vpn-instanceMpingYICMPpingICMPZIPICMPpingIPpingVPN317、MPLSFECMPLSFECFECMPLSFECVPN318MPLSVPNMPLSEgressPEEgressPEVPNEgressPEIP319、IPSGMACVLANIPCPUdisplayinterfaceping324MPLS，IngressIngressILMILMTunnelIDNHLFELFIBNHLFEB查看IPQosEXPTTL，然后將封裝好的MPLS分組報文發送給下一跳325S-IS(IPv6)IPv6，ISIS129TLVIPv6IS-ISTLV232、默認情況下，IS-IS326MPLSVPNMPLSMPLSVPNLDPMP-BGPMPLSVPNPEVPN328VLANMACshutdownMAC329、IS-ISIS-SVPNIS-ISIS-IS1IS-IS1VPNIS-ISIS-IS1IS-ISVPN1VPNIS-IS330BGP4MPREACHNLRI16AFI(addressfamily2NLRIIPv616NetworkAddressofNextHop331、RRIBGPASRRClusterOriginatorNexthopAS332SSHdebugMonitordebugMonitorSSHMonitorundodebuggingallMonitorundoterminalmonitorMonitorundoterminaldebugging,Monitor333MPLSVPNIPV4IPV4PEVPNRDPERDRDVPN路由信息的發布RDBGPUpdatePECEIPv4IPv4RDVPN-IPV4335、OSPF下哪些原因可能導致OSPF鄰居無法達到Full狀態OSPFOSPFMTURouterIDLicense337、LDPLSRLDPInitializationMessageLDPSessionLSRLDPKeepAliveMessageLDPSessionTCPLSRHelloLDPsession338Pv4Pv6S-SIS-ISIS-IS擴展性，以下哪些說IS-ISTLVIS-ISIS-ISTLVIS-ISIPV6TLVIPv6NLPIDIS-ISIPv6339BGPBGPBGPBGPebgpmax340、OSPFRouterLSALinkType341OSPFV3HelloInterfaceOSPF2Authentication、AuthTypeHellooption342OSPFRouterLSANetworkLSADSPFNetworkOSPFRouterOSPFRouterLSANetworkNetworkLSA343MPLSTTLMPLSTTTL的處理有兩種方式，一種是PMPLSMPLS部的TTLIPTTL值，另外一種是在入口LERMPLS頭部的TTL255IPTTLMPLSLSR，TTLTracetMPLS344MPLS，也稱為IPMRLSFIBTumelID0x0IPTunnelID0x0MPLS345MUXVLANGroupVLANPrincipalSeparateVLANMUXVLANVLANSeparateVLANPrincipalPrincipalVLANMUXVLANVLANVLANtagMPLSVLANtag[Huawei-isis-1]flash-flood6max-timer-interval[Huawei-isis-1]timer1sp-generation[Huawei-isis-1]lsp-lengthoriginate[Huawei-isis-1]timerlsp-refroshTrap?358DHCPSnopingGEO/0/1DHCPDHCPDHCPDHCP359IP/MACSpoofingIP/MACSpoofingDHCPSnoopingDHCPREOUESTCHADDR360PEMP-BGPVPNv4PEVPNV4VPNRRVPNv4clusterlistcluster364、LDPDiscoverymessageLDPDiscoverymessageTCPLSRHelloIPIPUDPLDPPeer365、DHCPUDPMACIP368、esiqht369、經典的網絡轉發方式是基于路由表轉發。OpenFlowMACIP370MPLSVPNMPLSPEVPNMPLSVPNMPLSVPNLDPMPBGPASPFACLNATServerServer-374DHCPDHCPDHCPdisplaydhcpdisplaydhcprelaydisplaydhcpserverdisplayRDVPNRDBGPUpdatePECEIPv4IPV4RDVPN-IPv4376IS-ISIPv6)IPMACDHCP378LDPSessionAdvertisementMessageLDPLDPKeepalivePDUHelloMessagerTransportAddressHelloMessage地址用于建立TCPIPTCPLSRHelloHello作為主動方，發起建立TCP連接。InitializationMessgeATMEthernetPPPMPLSHeaderMPLS380LSPFEC一個新的FECLSPFECLSPFECLSR381、下列選項描述錯誤的是[LSRA]mplslsr-id1.1.9[LSRA]mplsLSRAJinterface10[LSRA-Vlanif10]mpls[LSRA-Vlanif10]quitLSRA]static-LSPingressSAtoSDdestination32nexthopout-labelLSRALSRLSPmplsmplsmplslsr-idLSRAIDMPLSmplsmplsmplslsr-MACMACAddressIPSource、DestinationAddess、EXPIPDSCP、IPPrecedence、802.1p、EXP384ASPFServer-mapServer-mapServer-mapServermap數據連接時會重新觸發建立Server-map表項ASPFSever-map385DHCPDHCPDHCPDHCP386388AgileControllerMCweb389eSightCPU391、DHCPServerDHCPIPDHCPServerIS_ISLevel-2IS-ISLevel-1客戶端的操作系統為FIBTunnellDLFEFIBNLFEPipeIngressPEMPLSTTL254EgressPEPipeIPMPLSIPTTL1缺省情況下，MPLSTTLIP401OSPFRouterLSANetworkLSANetworkLSAOSPFNetworkOSPFRouterOSPFRouterLSANetwork402、LDPDiscoverymessageLDP那么下列關于Discoverymessage該消息被發往指定的LDP403DHCPDHCPSnoopingVLANDHCPSnoopingLDPLDP405AF21WRED3540，丟50%那么當AF21的報文到達時，關于WRED對該報文的處理結果的描述錯誤的是3540，406、LSRLDPIPLSP407eSight408、BFD409AgileControllerAgileControllertrapSNMP411ASPFServermapASPFACLNATServerServer-Servermap412QoS414、NFV415VRRPslaveSlaveMasterVRRPMaster0VRRPSlaveSlaveMACMACIPSlaveIPIPIP416、DHCPDHCPMACIPIPDHCPDISCOVERIP選項(RequestedIPAddrOption)的地址DHCPIPIPDHCPPPIP417VAPARserver418、DHCPSnoopingDHCPCHADDRDHCPTCPflagIP/MACSpoofing419、LDPsessionmessageLDPSessionTCPLabelRequestLDPSeeion422esightIPIPExcelIP423AF21WRED3540，丟棄概50AF21的報文到達時，關于WREDAgileController425、LSRLDP[Quidway]dhcpenable[Quidwaylinterfacevlanif10[Quidway-Vlanif10lipaddres255.255255.128[Quidway.Vlanif10]dhcpselectgloal[Quidway]dhcpserverpingpackets10DHCPVLANIF10IPDHCPpingDHCPping429AgileController430、MPLSMPLS標簽棧按后進先出(LastInFirstOut標簽棧按后進先出(LastInFirstOut4ICMP432MPLSVPNCEPEVRFMP-BGPMP-BGPVRF434、PQ+WFQ435、LSLDPIPLSP439BGPRouterIDLoopbackEBGPpeerebgp-max-ACLTCP179Loopbackpeerconnect-440BGP4BGP4NextHopBGP4NextHopIPv6BGP4NLRIIPV6BGP4MPREACHNLRINetworkAddressofNextHop441RTRTBGPUpdateRTVPNTargetExportTargetImportVPNVPNTargetVPNExportTargetlmportTarget活的VPN訪問控制StickyMAC444esightSNMPICMPTelnetNetconf448MPLSVPNMPLS發布可達路由時，在MPREACHNLRIRDPUNREACHNLRIRDdisplaymac-addressMACVLANdisplaymac-addresssummaryMACFullOSPFv3LSDB里一定會存在以下哪些LSA?LDPLDPHello453OSPFospffilter-sa-out7534發布可達路由時，ExportTargetMPREACHNLRIEExportTargetlmportTargetVPNRTVPNTargetExportTargetlmport撤銷不可達路由時,ExportTargetMPUNREACHNLRI455MPLSVPN457、OSPFOSPFFullOSPFMTU458AgileController459、LDPLSRLDPLSRhelloLDPsessioninitlalizationMessageLDPSessionKeepAliveMessageLDPSeesionTCPLSRLDP461MPLSMPLSImplicitNULLLabelMPLSLDP、MP-BGP、462IS-ISLeve-2Level-1Level-1import-routeisislevel-2intolevel-缺省情況下，Level-2Level-1Level-1-2import-routeisislevel-1intolevel-2Level-1Leve-2區域中ACL、路由策略、TagLevel-1Level-1-2Level-2463BGPIPPrefixAS-PathCommunityYVPNXICMPEcho-Request465RT撤銷不可達路由時，ExportTargetMP_UNREACH_NLRIRTVPNTargetExportTargetlmportExportTargetImportTargetExportTargetlmportTarget且都可以設置多個值，能夠實現靈活的VPN訪問控制發布可達路由時，ExportTargetMP_REACH_NLRI466MPLSVPNMPLSIPEgressPECEEgressPE467DHCPDHCPSnoopingVLANDHCPSnoopingDHCP468、MPLSIngressIPTTLMPLSNLFE為SwapIngressFIBIPFIBTunnellDLFEFIBNLFE469OSPFospffilter-lsa-out濾以下哪些項的LSA?7543470BGP4MPREACHNLRI16NetworkAddressofNextHopIPv6AFI(addressfamily2，代表傳遞的是IPv616Authentication、AuthTypeOSPFRouterFF02:OSPFRouterFF08:DRFF02::DRFF08::IPMPLSFIB477BGP/MPLSIPVPNBGP/MPLSIPVPNPEMPLSLDPPEVPNBGP/MPLSIPVPNPEVPNv4PEBGP/MPLSIPVPNCEPEVPNv4BGP/MPLSIPVPNPELDPVPNIPQoSEXPTTL，然后將封裝好MPLS481MUXVLANGroupVLANPrincipalSeparateVLANMUXVLANVLANSeparateVLANPrincipalPrincipalVLANMUXVLAIVLAN483ISIS(IPV6IPv6IS-IS129TLVLevel-1default-route-advertisealwaysLeve1-1Level-2485RRRRRR戶機關系，并建立IBGPBGPRRRRIBGPRR486OSPFIPFRROSPFIPFRROSPFIPFRRLFASPF當網絡出現故障時，OSPFIPFRRBFDOSPFIPFRRBFDBFDDownDHCPServerDHCPServerLoopbackpeerconnect-LDPSessionTCPLabelRequestLDPSeeion490VRRPslave0VRRPSlaveAdvertisementMessageLDPLDP議版本、標簽分發方式、KeepalivePDUHelloMessageTransportAddressHelloMessageIPTCPIPTCPTCP493IP/MACSpoofing為了防止中間人攻擊或IP/MACSpoofing攻擊，可以采取以下哪些配置手段?MACDHCPSnoopingDHCPREOUESTCHADDRDHCPSnoopingIPSGDHCPSnoopingDAI494MPLSVPNMPLS200100100200300200300100496VLANSuper-VLANSub-Sub-VLANSub-VLANVLANIFSuper-VLANVLANIF497IS-ISS-Scst-stylecompatible。則以下關于該場Tcost-styleIS-ISwidenarrowIPPrefixList匹配些說法是正確的?501OSPFIPLoopback0IPR1、R2Loopback01，RALoopback00，R3、R5Loopback02。以下關于該場景的描述，錯誤的有哪些項502OSPFv3R1會產生哪些類型的LSAlnter-Area-Router503、BGP/MPLSIPVPNMCEPEOSPFPEBGP時，缺省情況下，MCEPEType5LSAPE504、OSPFv3RouterlD505、MACse傳輸安全性，對應的標準為802.1AE506、缺省情況下，所有BGP路由都屬于nternet團體，即不可以向任BGP對等體發送該BGPCommunityBGP507S-ISipv6preferenceS-IS508OSPF求園區內終端選擇固定的出口(ASBR)ASBR部路由時需設置外部路由類型為Type2509、MPLS0510、企業網中，通常存在DHCP客戶端和DHCP服務器不在同一個廣播域的場景，在此場景DHCPDHCPDHCP中繼服務器511、OSPF快速收斂是為了提高路由的收速度而做的擴展特性，其中PRC(Partial512Hello513、IPTosQOSTos6bitDSCP514、BGPFilter-policyRoute-policyFiter-policy只能過濾路由，Route-policy只能修改路由515、缺省情況下，LDP32bitIP516、displayinterfaceGE0/0/0TotalEror0，此時可以斷定當前時故降仍未消失517BGP-4PV4MP-BGPBGP-4MP-BGPIPV6BGP4+，BGP4+通過NextHop屬性攜帶路由下一跳地址信息521BGP/MPLSIPVPNVPN522、MPLSIP523MPLSIP，FECLSRIPFEC524MPLSDPSRLDP與維護以及標簽管理等功能。為了保證消息傳遞的可靠性，所有LDP消息的發送和接收均需基于TCP連接525IS-ISIS-ISBFD526OSPF，ABRNSSA7LSA5527BGP529、DULiberalLDPPeer發的標簽，無論該LDPPeer是否為到達目的網段的最優下一跳530、IEIFOSPFOSPFPV6絡，功能擴展后的協議稱為OSPFv3，OSPFv3與OSPFV2可以兼容531、在-個MPLS域中,根據LSR對數據處理方式的不同，可將LSR分為ngressLSRTransitLSREgressLSR，FECLSRFECngressLSR是該FEC的TransitLSR正常運行的但是經過連續運行24小時后，板卡就出現了故障，那么該情況是不符合走DOA535、OSPFv3LinkLSA536BGP/MPLSIPVPN，OSPFDNType5LSA537、BGP4UpdateNextHopPv14B.B.540、VXLANMACinTCP541、BGP4UpdateNextHopIPV6544、OSPFv3LinkLSALink-Local545、為了防止黑客通過MAC地址擊用戶設備或網絡，可將非信任用戶的MAC地址配置為黑MACMACMACMAC546、IS-ISipv6enabletopologystandardIPv6IPv4隔離的標準拓撲547、BGP/MPLSIPVPNPE-CEOSPFPEBGP端路由向CEBGP路由信息中攜帶的遠端域標識符相等，則生成Type2LSAType3LSA548MPLSP址的路由，否則網絡設備會丟棄收到的MPLS報文549displaybgppeer查看BGP路由器鄰居狀態，若"state”顯示為"Up"則說明BGP運行正常550OSPFNSSAASBR產生描述缺省路由的Type7LSA，通告到整個NSSA551、BFDIP552、IS-ISS-IS553、isissilentS-SS-S554BGP/MPLSIPVPNIPECEIP沖突的問題，因此PE設備無需創建VPN實例將設備作為FTPTFTP的服務器端，通過命令行將相應的文件傳輸到備份服務器上556OSPFv3OSPFV3networkOSPFV3在接口視圖下使能OSPFV3功能557OSPFV2OSPFV3OSPFV2OSPFv3OSPF558BGPBGP559DHCPDHCPDHCPIP地址與中繼設備上連接客戶端的VLANIFPDHCP故障560、Is-IsTLVIPV6IPV6561、BFD563、IS-ISipv6enabletopologystandardIP4IPv61564MACMAC568SSH569resetS-ISallIS-S協議進程要重啟、鄰居要重新建立，而S-S574、MACsec802.1AE576、BGPMPLSIPVPNMCEPEOSPFPEBGPOSPF，MCEPEType5LSAPE577、SDNNBISBI578MACMACMACGE0/0/1GE0/0/2580OSPFStubLSA583、OSPFNSSAASBRType7LSANSSA584displaybgppeerBGPstate”顯示為”UpBGPMPLSType2LSAType3LSA588displayipinterfaceGE0/0/0ping589IPv6進行業務測試，部署初期，工程師想要通過IPV6靜態路由實現網IPv6590、BGP/MPLSIPVPNPE-CEOSPF(DomainIDVPNOSPF591、BFDdown592、OSPFv3OSPFV2OSPFV3network594PPPMultilink595、OSPFv3RouterID128bit596、OSPFv2OSPFV3，LSALSAIPv4597BGPEGPBGPEBGPBGP598、當部署BGP/MPLSIPVPN時，OSPF的VPN路由標記(VPNRouteTag)不在MP-BGP的MPBGPOSPFLSAPE599BGP/MPLSIPVPNIPECEIPPEVPN602、BGP/MPLSIPVPNMCEPEOSPFPEBGP，以雙重保證BGPdisplayinterfaceCRC607BGPBGPRRRRClientclientRR608BGP609BFD單跳BFD和多跳BFD話610、當DHCP客戶端與DHCP服務器之間存在多個中繼設備時，每經過一臺中繼設備，中繼DHCPIPDHCPDHCPDHCPIPDHCP報文準確到達DHCP613PIMHellopimsilent命令，將接口設置為PIM614、IS-ISPRCSPF615BGP-4PV4MP-BGPBGP-4MP-BGPIPV6BGP4+，BGP4+通過MPREACHNLRI屬性攜帶路由下一跳地址信息616、BGP/MPLSIPVPNMP-BGPVPN隧道類型，例如GRE隧道617displayCurrent-configuration618、VRRP620OSPFv3621、在VLAN聚合技術中，使用多個Sub-VLAN隔離廣播域，并將這些Sub-VLAN聚合成一Super-VLANSub-VLANSub-VLANVLANIF接口，可以直接與外部網絡進行三層通信622QinQTagOSPF鏈路狀態數據庫中626VLANSub-VLAN627IS-ISlpv6preference,IS-ISIPV6628MACMAC黑洞MACMAC629DHCPRelayVLANIFDHCPDHCPIP630、BGP/MPLSIPVPNLDP631、BFDms與通。在創建IPv6FEC只能過滴路由Route-policy638BGPInternetBGPBGPCommunityBGP639、BGP/MPLSTPVPNPE-CEOSPWPEBGPCEBGPType2LSAType3LSA640、IS-ISIS-IS641、OSPFV3OSPFV3networkOSPFv3口視圖下使能OSPFv3642BGP/MPLSIPVPNPECEIPPEVPN643、ISISsilentIS-ISIS-IS645BFDBFDBFD648DHCPDHCPDHCPIPVLANIFIPDHCP650、VLANMacinTCP653、