Which two statements are correct regarding multicast implementation using a WLAN controller (v5.2) and AP?（）
A. Multicast traffic is sent out on Cisco APs at the highest mandatory data rate.
B. Multicast traffic is sent out on Cisco APs at the highest supported data rate.
C. On Cisco APs， multicast traffic and beacons are sent out at the same data rates to maintain a common cell size for normal data as well as multicast data.
D. If there is more than one mandatory data rate， multicast traffic will be sent at the highest mandatory rate and beacons will be sent at the lowest mandatory rate.
E. On Cisco APs， multicast traffic will be sent out at the highest data rate that a client can maintain with the A
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