When multicast services are configured on the MA5600T or MA5680T, programs in the multicast VLAN are statically configured. Which of the following must be configured? Otherwise, multicast programs may not be viewable.

When multicast services are configured on the MA5600T or MA5680T, programs in the multicast VLAN are statically configured. Which of the following must be configured? Otherwise, multicast programs may not be viewable.
A . igmp preview
B . igmp program
C . igmp profile
D . igmp priority

Answer: B