When using WMM Call Admission Control, what are the default bandwidth values for video on 802.11a/n?

A.
Max RF bandwidth is 75 percent, reserved roaming bandwidth is 6 percent.

B.
Max RF bandwidth is 50 percent, reserved roaming bandwidth is 10 percent.

C.
Max RF bandwidth is 50 percent, reserved roaming bandwidth is 15 percent.

D.
Max RF bandwidth is 0 percent, reserved roaming bandwidth is 0.