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

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

A.
You may disable multicast on individual cluster members.

B.
Multicasttraffic is often limited to a single subnet.

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

D.
Multicastis used to replicate session state between servers.

E.
Multicastcan be usedforclusterheartbeatmessages.