Question

Which of the following is true with respect to the delay in datagram networks?

(a) Delay is greater than in a virtual circuit network

(b) Each packet may experience a wait at a switch

(c) Delay is not uniform for the packets of a message

(d) All of the mentioned

The question was asked in semester exam.

I'm obligated to ask this question of Datagram Networks in chapter Network Layer of Computer Network

Answer 1

Correct option is (d) All of the mentioned

Easiest explanation: The delay of each packet in a datagram network is different as each packet might take a different route to the destination. The delay includes the propagation delay and the processing delay that is induced at each stop/switch that the packet encounters in its journey.