CS2302 Computer Networks University Question - Nov/Dec 2010

UNIVERSITY QUESTION PAPERS

 Year: III                                                    Semester: V

B.E/B.Tech. DEGREE EXAMINATION, NOVEMBER 2010

Fifth Semester

Computer Science and Engineering

COMPUTER NETWORKS

(Common to Information Technology)

(Regulation 2008)

Time: Three hours Maximum : 100 Marks

Answer ALL questions

PART A - (10 X 2 = 20 Marks)

1. What are the two types of line configuration?

2. What do you mean by error control?

3. What are the functions of bridges?

4. What is the advantage of FDDI over a basic token ring?

5. What is meant by circuit switching?

6. What is multicasting?

7. What is the function of a router?

8. What are the advantages of using UDP over TCP?

9. What is SMTP?

10. What is PGP?

PART B- (5 X 16 = 80 Marks)

11. (a) Explain in detail the error detection and error corrections. (16 Marks)

(Or)

(b) Discuss in detail about the layers of OSI model. (16 Marks)

12. (a) Name the four basic network topologies and explain them giving all the relevant

features. (16 Marks)

(Or)

(b) Explain the functioning of wireless LAN in detail. (16 Marks)

13. (a) Write notes on the following:

(i) Internet protocol.

(ii) Routers. (16 Marks)

(Or)

(b) Discuss in detail the various aspects of IPV6. (16 Marks)

14. (a) With neat architecture, explain TCP in detail. (16 Marks)

(Or)

(b) Explain adaptive flow control in detail and its uses. (16 Marks)

15. (a) Explain the SMTP and HTTP. Give their uses, state strengths and weaknesses. (16

Marks)

(Or)

(b) Explain the role of a DNS on a computer network. (16 Marks)