What are the two results?

The IP multicast global configuration command ip pirn send-rp-announce IoopbackO scope
31 group-list 5 issued on multicast router RTA . What are the two results? (Choose two)

A.
RTA will forward RP announcements provided they are within the scope of 31.

B.
RTA will originate RP announcements with TTL set to 31.

C.
RTA will originate RP announcements for multicast groups that match access-list 5.

D.
RTA will drop all RP announcements it receives if the TTL field is greater than 31.

Explanation:

The TTL is perform a limit for the RP to control, so the TP announcements ‘TTL is set 31 so
limit the range of topology .and the ACL is limit the source address of the multicast packets.