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

Attempt all questions: (2 x 10 = 20)

1. Explain the principles of application layer protocols. What do you mean by file transfer?
   OR
   What are the main relationship between transport layer and network layer? What are the transport layer uses in Internet?

2. Explain the congestion control principle and its approaches.

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

3. Explain the connection oriented and connectionless service.
4. Explain the working principle of DNS.
5. What do you mean by pipelined reliable data transfer protocol?
6. What do you mean by hierarchical routing?
7. Explain the multicasting routine and its applications.
8. Define Data link layer and its services.
9. Mention the types of multimedia networking applications.
10. What are the key components of network management architecture?
11. Explain the Asynchronous transfer mode (ATM).