In which multicast configuration is MSDP most useful?

In which multicast configuration is MSDP most useful?
A . Interdomain IPv4 PIM sparse-Mode
B . Interdomain IPv4 PIM dense-Mode
C . Intra-domain IPv4 PIM dense-Mode
D . Intra-domain IPv4 PIM sparse-Mode

View Answer

Answer: A

Explanation:

"Multicast Source Discovery Protocol (MSDP) is a Protocol Independent Multicast (PIM) family multicast routing protocol defined by Experimental RFC 3618. MSDP interconnects multiple IPv4 PIM Sparse-Mode

(PIM-SM) domains which enables PIM-SM to have Rendezvous Point (RP) redundancy and inter-domain multicasting RFC 4611"