Which two statements are true about multicast communication within a cluster?

Which two statements are true about multicast communication within a cluster?

A.
Multicastcan be usedforclusterheartbeatmessages.

B.
Multicastis used to replicate session state between servers.

C.
Multiple cluster can share the same multicast address and port.

D.
You may disable multicast on individual cluster members.

E.
Multicasttraffic is often limited to a single subnet.