About multicast RPF check, which of the following statements is wrong? (Multiple Choice)

About multicast RPF check, which of the following statements is wrong? (Multiple Choice)
A . Multicast RPF check is not rely on unicast routing.
B . All multicast protocols use RPF check.
C . The router receives the multicast packet but fails the RPF check and discards the received multicast packet.
D . There are two RPF check functions. One is to prevent loops in multicast routes, the other is to prevent forwarding of redundant multicast data packets.

View Answer

Answer: AB