Which three are benefits of U-APSD?（）A、synchronization of the transmission and reception of voice framesB、bandwidth reservationC、optimized power-save mode periodsD、increased call capacityE、priority bandwidth and polling
Which three are benefits of U-APSD?（）
- A、synchronization of the transmission and reception of voice frames
- B、bandwidth reservation
- C、optimized power-save mode periods
- D、increased call capacity
- E、priority bandwidth and polling
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