Computer Networks 2075

Tribhuwan University
Institute of Science and Technology
2075
Bachelor Level / Fourth Semester / Science
Computer Science and Information Technology ( CSC258 )
( 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 transmission media. Discuss different guided and unguided transmission in detail.

10 marks view

OR

Define routing. Discuss distance-vector routing algorithm with example.

10 marks view

2.      Discuss error detection and correction scenario. Explain cyclic redundancy check (CRC) error detection technique with example.

10 marks view

Group B

Short answer Questions:

Attempt any eight questions.                                                                                       (5x8=40)

3.      What is packet switching? Discuss store-and-forward transmission of packet switching.

5 marks view

4.      Why do we need DNS? Discuss different fields in the DNS message.

5 marks view

5.      What is connectionless transport? Differentiate TCP with UDP.

5 marks view

6.      How can we use token-bucket algorithm to control congestion? Discuss.

5 marks view

7.      What is IP? Discuss different classes of IPv4 address.

5 marks view

8.      What is virtual circuit network? How is it different from datagram network?

5 marks view

9.      Discuss channel partitioning protocol. What is TDMA?

5 marks view

10. What are the applications of multimedia networking? Discuss audio streaming

5 marks view

11.      Write short notes on:

a.       IPv6

b.      Network management

5 marks view