When configuring the multicast service on the MA5600T/MA5680T, the multicast WLAN program adopts the static configuration mode. Which of the following options must be configured, otherwise the multicast program may not be able to be viewed?

When configuring the multicast service on the MA5600T/MA5680T, the multicast WLAN program adopts the static configuration mode. Which of the following options must be configured, otherwise the multicast program may not be able to be viewed?
A . igmp priority
B . igmp profile
C . igmp program
D . igmp preview

Answer: C