When a station sends an RTS, the Duration/ID field notifies the other stations that they must set their NAV. Which of the following values should the stations set their NAV to?
A)250 microseconds
B)The time necessary to transmit the Data and ACK frames
C)The time necessary to transmit the CTS frame
D)The time necessary to transmit the CTS, Data, and ACK frames

Question

Quizplus · Accepted Answer

The stations should set their NAV values to the time necessary to transmit the CTS, Data, and ACK frames.
Key Takeaway: When the RTS is sent, the value of the Duration/ID field is equal to the time necessary for the CTS, Data, and ACK frames to be transmitted. The Duration/ID field can be interpreted in two ways depending upon the frame type. In the Power-Save Poll messages, this field is the Station ID. In all other frames, this is the duration value used to calculate the NAV.

When a Station Sends an RTS, the Duration/ID Field Notifies