CSIT 4th Semester
Computer Networks Board Question Paper 2081 Old Course

CSC 263-2081 ✡
Tribhuvan University
Institute of Science and Technology
2081
✡
Bachelor Level/Second Year/Fourth Semester/Science
Computer Science Information Technology (CSC 263)
(Computer Networks)
(Old Course)
Full Marks:60 Pass Marks:24 Time:3 hours

Candidates are required to give their answers in their own words as for as practicable.
The figures in the margin indicate full marks

Section A
Long Answer Questions
Attempt any Two question.
[2x10=20]
1.

List Ethernet standards and explain any two of them.

2.

Explain about link state routing with an example. What are its advantages and disadvantages?

3.

Highlight on the functions and services transport layer. Explain socket programming.

Section B

Attempt any Eight questions

[8x5=40]
4.

Explain the importance of backbone network with an example.

5.

What are the major functions of data link layer? Explain.

6.

Explain packet switching. What are its advantages and disadvantages?

7.

Differentiate between IPv4 and IPv6.

8.

Compare and contrast between TCP and UDP.

9.

Why do you think SDN is an efficient approach for network management? Explain.

10.

Explain the working mechanism of SMTP.

11.

Explain Bellman Ford path computation algorithm.

12.

Write short notes on:
a) Congestion control
b) Firewall