What optional protocol can be used in 802.11 to reserve the medium for one node's use?
A) RTS/CTS (Request to Send/Clear to Send)
B) RAR/CTU (Reserve Airtime Request/Clear to Use)
C) HA/RA (Hold Airtime/Reserved Airtime)
D) RT/FT (Request Time/Fair Time)

Question

Quizplus · Accepted Answer

The RTS/CTS (Request to Send/Clear to Send) protocol allows a node to reserve the medium for its use by sending a request to send (RTS) message to the receiver node, which responds with a clear to send (CTS) message. This helps to minimize collisions and improve efficiency on the wireless network.

What Optional Protocol Can Be Used in 802