When a node has a packet to send, it listens for traffic on the channel.
A)if the channel is free, it initially sends message, cts.
B)if the channel is free, it initially waits for message, cts.
C)if the channel is free, it initially sends message, rts.
D)if the channel is free, it initially waits for message, rts.

Question

Quizplus · Accepted Answer

When a node has a packet to send and finds the channel free, it initially sends a Request to Send (RTS) message to inform the network of its intention to send a packet, thereby minimizing the chance of collision with other transmissions.

When a Node Has a Packet to Send, It Listens