What three minimal configurations are required for a correctly scaled multicast configuration using WLC v7.0? (Choose three.)

A.
Enable global multicast mode

B.
Enable IGMP snooping

C.
Configure IGMP timeout for 60 seconds

D.
Configure IGMP query interval for 20 seconds

E.
Enable WLAN multicast VLAN feature

F.
EnableAP multicast mode for multicast

G.
Enable AP multicast mode for Unicast