考题
Which two routes do P routers see by default in a BGP MPLS VPN configuration? ()(Choose two.)
A. IGP routes advertised by P routersB. IGP routes advertised by PE routersC. VPN routes advertised by PE routersD. VPN routes advertised by CE routers
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Which two multicast groups support Auto-RP mapping and discovery?()
A.224.0.0.39B.224.0.1.39C.224.0.0.40D.224.0.1.40
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Which of the following are common VPN transports? (Select TWO)()
A.RDPB.VNCC.SSLD.PPTPE.RAS
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Which two routing interface parameters are supported in OSPF implementations?()
A. retransmit - intervalB. de ad - intervalC. stub areaD. virtual linkE. NSSA area
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InMulticastVPN(MVPN)implementations,whichtwoofthefollowingstatementsareregardingtheDefaultMDTGroup?()
A.ItisusedforPIMcontroltrafficB.Itisoptionallyconfiguredforahighbandwidthmulticastsourcetoreducemulticasttrafficreplication to uninterestedPEroutersC.WithintheVPFconfigurationinthePErouter,multipleDefaultMDTgroupsareconfiguredsoeach VPFcansupportmultiplemulticastsourcesD.ThereisareducedmulticaststateintheMPLScoreProutersE.Whenmulticasttrafficexceedsacertainconfiguredthreshold,trafficfromtheDataMDTisswitched to theDefaultMDTtoconservebandwidth
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Which two of these multicast deployments are most susceptible to attacks from unknown sources?()A、 ASMB、 BiDir PIMC、 PIM-SM RPD、 RP-SwitchoverE、 Source Specific Multicast
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When configuring Multicast VPN (MVPN) over an MPLS core, both the Default and Data MDT isconfigured under which configuration mode?()A、router(config)#B、router(config-if)#C、router(config-vrf)#D、router(config-router)#E、router(config-router-af)#
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Which two restrictions must the Enterprise Campus network designer consider when evaluatingWAN connectivity options? ()A、 OSPF over multicast EMS or VPLS network may not have consistent broadcast or multicastperformanceB、 IP multicast is not supported over Lover 3 MPLS VPN; instead a Layer 2 MPLS WN must beutilized with service provider supportC、 QoS requirements with MPLS-VPN must be implemented by the service providerD、 Hierarchical VPLS designs are the least scalableE、 IGMP snooping is not on option with VPLS or EMS; instead administrative scoping or allowingsufficient bandwidth for unnecessary multicast traffic at the edge links is required
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In order to configure two routers as anycast RPs, which of these requirements, af a minimum, must besatisfied?()A、Multicast Source Discovery Protocol mesh-groups must be configured between the two anycast RPs.B、The RPs must be within the same IGP domain.C、Multicast Source Discovery Protocol must be configured between the two anycast RPs.D、The two anycast RPs must be IBGP peers.
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In order to configure two routers as anycast RPs,which of these requirements,at a minimum, must be satisfied?()A、Multicast Source Discovery Protocol mesh-groups must be configured between the two anycast RPs.B、The RPs must be within the same IGP domain.C、Multicast Source Discovery Protocol must be configured between the two anycast RPs.D、The two anycast RPs must be IBGP peers.
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Which two of these are characteristics of multicast routing? ()A、 multicast routing uses RPFB、 multicast routing is connectionless.C、 In multicast routing, the source of a packet is known.D、 When network topologies change, multicast distribution trees are not rebuilt, but use the originalpathE、 Multicast routing is much like unicast routing, with the only difference being that it has a a groupof receivers rather than just one destination
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Which two routing interface parameters are supported in OSPF implementations?()A、retransmit - intervalB、de ad - intervalC、stub areaD、virtual linkE、NSSA area
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What is the encapsulation format of an MPLS Multicast VPN (MVPN) packer?()A、IP unicast in IP unicastB、IP multicast in IP anycastC、IP anycast in IP anycastD、IP multicast in IP unicastE、IP multicast in IP multicastF、IP unicast in IP multicast
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Which two routes do P routers see by default in a BGP MPLS VPN configuration? ()(Choose two.)A、IGP routes advertised by P routersB、IGP routes advertised by PE routersC、VPN routes advertised by PE routersD、VPN routes advertised by CE routers
考题
Which of the following are common VPN transports? (Select TWO)()A、RDPB、VNCC、SSLD、PPTPE、RAS
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多选题Which two of these multicast deployments are most susceptible to attacks from unknown sources?()AASMBBiDir PIMCPIM-SM RPDRP-SwitchoverESource Specific Multicast
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多选题Which two of these multicast deployments are most susceptible to attacks from unknown sources?()AASMBBiDirPIMCPIM-SMRPDRP-SwitchoverESourceSpecificMulticast
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多选题In JUNOS software, which two are methods of restricting multicast traffic beyond your domain? ()AMSDPBRouting policyCAdministrative scopingDBootstrap export policy
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多选题Which two implementations are standard Virtual Private LAN Service (VPLS) implementations that aresupported by the IETF?()AVPLS uses LDP for signaling.BVPLS uses BGP for autodiscovery and signaling.CVPLS uses extended IS-IS for signalingDVPLS uses OSPF version 3 for auto discovery and signalingEVPLS uses spanning tree for signaling
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单选题When configuring Multicast VPN (MVPN) over an MPLS core, both the Default and Data MDT isconfigured under which configuration mode?()A
router(config)#B
router(config-if)#C
router(config-vrf)#D
router(config-router)#E
router(config-router-af)#
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单选题What is the encapsulation format of an MPLS Multicast VPN (MVPN) packer?()A
IP unicast in IP unicastB
IP multicast in IP anycastC
IP anycast in IP anycastD
IP multicast in IP unicastE
IP multicast in IP multicastF
IP unicast in IP multicast
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多选题Which of the following are common VPN transports? (Select TWO)()ARDPBVNCCSSLDPPTPERAS
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多选题Which two routing interface parameters are supported in OSPF implementations?()Aretransmit - intervalBde ad - intervalCstub areaDvirtual linkENSSA area
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多选题Which two restrictions must the Enterprise Campus network designer consider when evaluatingWAN connectivity options? ()AOSPF over multicast EMS or VPLS network may not have consistent broadcast or multicastperformanceBIP multicast is not supported over Lover 3 MPLS VPN; instead a Layer 2 MPLS WN must beutilized with service provider supportCQoS requirements with MPLS-VPN must be implemented by the service providerDHierarchical VPLS designs are the least scalableEIGMP snooping is not on option with VPLS or EMS; instead administrative scoping or allowingsufficient bandwidth for unnecessary multicast traffic at the edge links is required
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多选题Which two multicast protocol statements are true? (Choose two.) ()ADense mode multicast requires explicit join messages from their members.BDense mode multicast uses a push model to flood traffic throughout the network and then prunes the unwanted traffic.CSparse mode multicast uses a pull model to send multicast traffic to where it is requested.DSparse mode uses reverse path forwarding (RPF) to prune off redundant flows.EThe primary use of sparse mode multicast is for test labs and router performance testing.
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多选题Which two multicast modes are valid options for use with Ethernet bridging on a mesh AP?()Amesh bridge inBregularCbi-directional bridgeDinEout
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多选题Which two multicast IP addresses can be represented by the multicast MAC address 0100.5e0A.0A07?()A228.10.10.7B229.11.10.7C229.138.10.7D229.138.10.8E228.10.10.8F228.10.138.7