Computer Networks 2071

Tribhuwan University
Institute of Science and Technology
2071
Bachelor Level / Fifth Semester / Science
Computer Science and Information Technology ( CSC-301 )
( Computer Networks )
Full Marks: 60
Pass Marks: 24
Time: 3 hours
Candidates are required to give their answers in their own words as far as practicable.
The figures in the margin indicate full marks.

Group A

Long Answer Questions:

Attempt all questions.                                                                                                (2x10=20) 

1.      Define protocol. Why do we need layered protocol architecture? Discuss each layer of TCP/IP protocol architecture in detail.

10 marks view

OR

Define transmission media. Differentiate between guided and unguided transmission media. Discuss each guided transmission media in detail.

10 marks view

2.      What is routing? Discuss link state routing algorithm in detail.

10 marks view

Group B

Short answer Questions:

Attempt any eight questions.                                                                                       (5x8=40)

3.      Explain client server system. How is it different from peer to peer system?

5 marks view

4.      Discuss HTTP in detail.

5 marks view

5.      Discuss the importance of multiplexing in data communication.

5 marks view

6.      Assume a class B network and divide it into four subnets. What is the value of new subnet mask?

5 marks view

7.      Discuss CRC as an error detection mechanism.

5 marks view

8.      Explain the importance of multimedia network.

5 marks view

9.      Why is network management an important task?

5 marks view

10.      What is congestion control? Why do we need it?

5 marks view

11.      Write short note on:

a.       DNS


2.5 marks view

                 b.      Streaming audio and video

2.5 marks view