When an ACK frame is not received by the transmitting STA, what is assumed?

exams CWNA-107 CWNA-107 exam 0 Comments

When an ACK frame is not received by the transmitting STA, what is assumed?
A . The frame was correctly delivered
B . The frame was not delivered and must be retransmitted
C . The receiver is offline
D . The receiver processed the frame, but did not respond with an ACK frame because 802.11w is enabled

Answer: B