Which two configuration steps does the network administrator have to perform to optimize the multicast transmissions?

Several users are connected to the same WLAN and want to play the same multicast-based video stream. The network administrator wants to reduce bandwidth consumption and at the same time increase the transmit rate to a fixed value for WMM marked video streams in a large-scale network. Broadcast Multicast Optimization (BCMCO) is already on.

Which two configuration steps does the network administrator have to perform to optimize the multicast transmissions? (Select two.)
A . Enable Dynamic Multicast Optimization (DMO) and set forwarding mode to tunnel in the VAP profile.
B . Enable Broadcast Multicast Rate Optimization (BC/MC RO) in the SSID profile.
C . Enable Broadcast Multicast Optimization (BCMCO) and set forwarding mode in the VA
E . Disable Broadcast Multicast Optimization (BCMCO) in the VLA
G . Set Video Multicast Rate Optimization (VMRO) in the SSID profile.

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Answer: AC