Full Marks: 60
Pass Marks: 24
Time: 3 hours

Attempt all questions: (2 x 10 = 20)

1. Explain the OSI reference model?
   OR
   What do you mean by TCP? Explain the TCP structure?

2. Define DNS. Explain the DNS records and DNS messages.

Attempt any eight questions: (8 x 5 = 40)

3. What do you mean by Internet Protocol stack?
4. Differentiate between transport layer and network layer.
5. Explain the principle of congestion control.
6. What do you mean by IP datagram fragmentation?
7. Explain the point to point protocol (PPP).
8. What do you mean by multicasting routing?
9. Explain the Internet Control Message Protocol (ICMP).
10. What are the various types of multimedia networking application?
11. What types of intra structure is needed for network management?