What statements about the 802.11 standard’s QoS facility enhancements are true?
A new contention-based channel access method is introduced. Choose 2
A.
Frames with the highest priority access category tend to have the lowestbackoff values and therefore they are more likely to get a TXOP.
B.
As long as the Voice queue has data frames awaiting transmission, no data will be transmitted from the Best Effort queue.
C.
NewQoS control frame types are introduced for backwards compatibility with non-QoS capable stations.
D.
Eight (8) user priorities map to eight (8) transmit queues