Q1. What do you mean by the term network protocol?
Q2. In brief describe what a peer-peer model is. Did you employ some of the P2P applications? If so exhibit your experience with them.
Q3. Compare and contrast the Internet services given by DSL and coaxial cable networks.
Q4. What are the main drawbacks with the layered approach to the protocols?
Q5. Assume that we wish to send a packet from the source host to a destination host over the fixed route in a packet-switched network. Illustrate the delay components in the end-to-end delay. Which of them are variable? Explain why?
Q6. Assume that all the links in a circuit-switched network utilize TDM with 5 slots and encompass a bit rate of 1Mbps. As well assume that it takes 400 m sec to establish an end-to-end circuit before a host begins transmission. How long does it take for a Host A to transmit a file of 50,000 bits to the Host B in this network?