A、Source-Active Message B、PIM Join C、PIM Hello D、MSDP Register
A、Source Specific Multicast and IGMPv2 B、Announcing multicast sources to BGP speakers C、Anycast RP D、Intradomain multicast routing
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.
A、 Improves convergence of the multicast network due to enhanced RPF checks B、 Simplifies the number of control plane protocols over other RP redundancy methods C、 Eliminates the use of Protocol Independent Multicast (PIM) in the topology D、 Increases the administrative distances in Multicast Source Discovery Protocol (MSDP) configuration