Question

The demand priority protocol is an example of:

Question 20 options:

	token passing.
	n-tier hub.
	round robin protocol.
	CSMA/CD protocol.
	reservation protocol.

Answer 1

Question 20: The demand priority protocol is an example of:
Answer: Reservation protocol.
Reason: Workstation places a reservation with central server and workstation cannot transmit until reservation comes up. Most common example of reservation protocol is demand priority protocol. In demand priority protocol each node needing to send a frame indicates its need to transmit by sending a request signal to the hub and waiting for the hub to grant it permission to transmit the frame.