Q1. Distinguish between the circuit switching, packet switching and the message switching.
Q2. Distinguish between the error detection and forward error correction approaches based upon the suitable conditions (conditions) used.
Q3. Calculate the signal to noise ratio in dB of a link by using channel capacity 80 Mbps and bandwidth of 8 Mhz.
Q4. Distinguish between the 1-persistent CSMA and p-persistent CSMA protocols.
Q5. Does pure ALOHA encompass less delay than slotted ALOHA at low load? Illustrate.
Q6. For hierarchical routing with 4800 IMPs, what region and cluster size must be selected to minimize the size of the routing table for three layer hierarchy?