Which Method Can Most Efficiently Implement IP Multicast in a Network

Multiple Choice

Which method can most efficiently implement IP multicast in a network without using RPs?

A) RPs can't be eliminated; they're mandatory in multicast networks.
B) Implement PIM dense mode multicast to eliminate the need for RPs.
C) Implement source-specific multicast and utilize the functionality of IGMPv3 to replace the RPs.
D) Implement source-specific multicast and utilize the functionality of IGMPv2 to replace the RPs.