Which message type is constructed and sent from an MSDP router to its MSDP peers when it receives a PIM register message （knowing that the MSDP router is also configured as an RP for the PIM domain）？（）A、Source-Active MessageB、PIM JoinC、PIM HelloD、MSDP Register
Which message type is constructed and sent from an MSDP router to its MSDP peers when it receives a PIM register message （knowing that the MSDP router is also configured as an RP for the PIM domain）？（）
- A、Source-Active Message
- B、PIM Join
- C、PIM Hello
- D、MSDP Register
相关考题：
Which two steps are needed when configuring multiple RPs using MSDP within a single PIM domain? () A. Configure a non-unique address on the loopback interface for use by the PIM RP.B. Configure MSDP with the unique address (router ID) as the local address of the peer.C. Configure MSDP with the non-unique address (router ID) as the local address of the peer.D. Configure a unique address on the loopback interface, used as the PIM RP.
Which three statements are true about IP multicast configuration?() A. PIM sparse - dense mode and PIM dense mode require an RP on the network.B. PIM sparse mode and PIM dense mode require an RP on the network.C. PIM sparse mode interfaces are always added to the multicast routing table in a router.D. PIM sparse mode and PIM sparse - dense mode require an RP on the network.E. PIM dense mode interfaces are always added to the multicast routing table in a router.F. PIM sparse - dense mode acts as PIM dense mode if an RP is not known.
WhatisthebenefitofusingAnycastRPviaRFC4610forIPmulticastRPredundancy?() A.ImprovesconvergenceofthemulticastnetworkduetoenhancedRPFchecksB.SimplifiesthenumberofcontrolplaneprotocolsoverotherRPredundancymethodsC.EliminatestheuseofProtocolIndependentMulticast（PIM）inthetopologyD.IncreasestheadministrativedistancesinMulticastSourceDiscoveryProtocol（MSDP）configuration
组播部署正确的是（）A、网络内部采用PIM-SM协议，通过MBGP和MSDP支持跨域组播B、选择anycastRP方式实现冗余和负载分担的目的C、由于信源和接收者可能注册到了不同的RP上，因此多台RP间需要交换可用信源的SA信息D、anycastRP用相同的IP地址建立MSDP
Choose two commands that are required to enable multicast on a router， when it is known that thereceivers use a specific functionality of IGMPv3.（）A、ip pim rp-addressB、ip pim ssmC、ip pim sparse-modeD、ip pim passive
Which two statements are true about RPF checks in MSDP（Multicast Source Discovery Protocol）？（）A、It prevents message looping，Session Advertisement（SA）messages must be RPF checkedB、RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM domain，which originated the SAC、RPF checking Session Advertisement（SA）messages will cause message loopingD、RPF check should be done against the route to the source S of the corresponding PIM-SM domain
In PIM-SM operations， the first router connected to the multicast source sends the Register message towhich device？（）A、Multicast sourceB、Multicast receiverC、RPD、RP mapping agentE、Designated Router （DR）
2012 Feb 23 23：00：08.676710 pim： [16132] （default-base） Received unauthenticated hello- message from 10.1.1.2 on Ethernet1/18， message discarded 2012 Feb 23 23：00：12.528763 pim： [16132] （default-base） Send Hello with AH on Ethernet1/18 from 10.1.1.1， holdtimE. 105 secs，dr-priority：1 You are troubleshooting a PIM neighbor adjacency that is not coming up. You issued the command show ip pim neighbor e1/18 and confirmed there is no PIM neighbor on the interface. What is the problem based on the debug output？（）A、 The peer router 10.1.1.2 has PIM disabled on its interface connecting to Ethernet1/18.B、 The peer router 10.1.1.2 has the wrong PIM password configured on its interface connecting to Ethernet1/18.C、 The local router 10.1.1.1 has the wrong PIM password configured on Ethernet1/18.D、 The peer router 10.1.1.2 does not have PIM hello authentication enabled on its interface connecting to Ethernet1/18.E、 The local router 10.1.1.1 does not have PIM hello authentication enabled for Ethernet1/18.
The ip pim autorp listener command is used to do which of these？（）A、enable a Cisco router to "passively" listen to Auto-RP packets without the router actively sending or forwarding any of the packetsB、allow Auto-RP packets in groups 224.0.1.39 and 224.0.1.40 to be flooded in dense mode out interfaces configured with the ip pim sparse-mode commandC、enable the use of Auto-RP on a routerD、configure the router as an Auto-RP mapping agent
In what PIM topology would you use MSDP within a single domain？（）A、Auto-RPB、Anycast RPC、Bootstrap routerD、PIM sparse mode
Which two steps are needed when configuring multiple RPs using MSDP within a single PIM domain? （）A、Configure a non-unique address on the loopback interface for use by the PIM RP.B、Configure MSDP with the unique address (router ID) as the local address of the peer.C、Configure MSDP with the non-unique address (router ID) as the local address of the peer.D、Configure a unique address on the loopback interface, used as the PIM RP.
In a PIM topology using anycast RP, in which two ways can the RPs share group information? （）A、Configure MSDP between RPs.B、Redistribute multicast information in your IGP.C、Advertise S, G entries using MBGP.D、Configure PIM to advertise group information between RPs.
Which two statements about RPF checks in Multicast Source Discovery Protocol （MSDP） are true？（）A、It prevents message looping， Session Advertisement （SA）messages must be RPF checkedB、RPF check should be done against the route to the source S of the corresponding PIM-SM domainC、RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM domain，which originated the SAD、RPF checking Session Advertisement （SA） messages will cause message looping
In PIM-SM operations，to which device does the first router that connects with the multicast source sendthe register message？（）A、RPB、multicast sourceC、IGMP routerD、multicast receiverE、PIM designated router
Which of these statements about PIM join messages in classic PIM-SM is correct？（）A、PIM join messages are sent every 60 seconds to refresh the upstream router’s mroute state for the multicast tree.B、Routers send a PIM join acknowledgement in response to each PIM join message received from a downstream router.C、PIM join messages are only sent when the multicast distribution tree is first being established.D、PIM join messages are sent every three minutes to refresh the upstream router’s mroute state for the multicast tree.
Which two commands are required to enable multicast on a router， knowing that the receivers only support IGMPv2？（）A、ip pim rp-addressB、ip pim ssmC、ip pim sparse-modeD、ip pim passive
What is the use of MSDP across multiple PIM domains?（）A、It scopes multicast traffic.B、It prevents multicast routing loops.C、It advertises active multicast sources.D、It advertises RPs to all downstream routers.
Which three RP election mechanisms are available in a PIM-SM domain？（）A、StaticB、Auto-RPC、Dynamic-RPD、Bootstrap router
What prevents routing loops when MSDP is configured across multiple domains？（）A、PIM-SMB、ScopingC、Auto-RPD、MBGP
单选题Which message type is constructed and sent from an MSDP router to its MSDP peers when it receives a PIM register message （knowing that the MSDP router is also configured as an RP for the PIM domain）？（）ASource-Active MessageBPIM JoinCPIM HelloDMSDP Register
多选题Which three RP election mechanisms are available in a PIM-SM domain？（）AStaticBAuto-RPCDynamic-RPDBootstrap router
单选题Which of these statements about PIM join messages in classic PIM-SM is correct？（）APIM join messages are sent every 60 seconds to refresh the upstream router’s mroute state for the multicast tree.BRouters send a PIM join acknowledgement in response to each PIM join message received from a downstream router.CPIM join messages are only sent when the multicast distribution tree is first being established.DPIM join messages are sent every three minutes to refresh the upstream router’s mroute state for the multicast tree.
单选题In PIM-SM operations，to which device does the first router that connects with the multicast source sendthe register message？（）ARPBmulticast sourceCIGMP routerDmulticast receiverEPIM designated router
单选题In what PIM topology would you use MSDP within a single domain？（）AAuto-RPBAnycast RPCBootstrap routerDPIM sparse mode
单选题In PIM-SM operations， the first router connected to the multicast source sends the Register message towhich device？（）AMulticast sourceBMulticast receiverCRPDRP mapping agentEDesignated Router （DR）