Q1. Distinguish between the circuit switching, packet switching and the message switching.
Q2. Calculate the bit rate for a 12000 basic baud by using 32-QAM signal.
Q3. Calculate the signal to noise ratio in dB of a link with channel capacity 80 Mbps and bandwidth of around 8 MHz.
Q4. Distinguish between 1-persistent CSMA and P-persistent CSMA protocols.
Q5. Explain regarding the Nyquist theorem.
Q6. What do you mean by the term flooding? How to decrease resource consumption in the network?
Q7. By using RSA public key cryptosystem with a = 1, b = 2 and so on, if p = 13 and q = 31 and d = 7, find out e.