MAHATMA GHANDHI UNIVERSITY (MG) B.TECH. DEGREE EXAMINATION, OCTOBER/NOVEMBER 2003 Computer Science and Engineering COMPUTER NETWORKS (R)

MAHATMA GHANDHI UNIVERSITY (MG)

B.TECH. DEGREE EXAMINATION, OCTOBER/NOVEMBER 2003

Computer Science and Engineering
COMPUTER NETWORKS (R)

Time: Three Hours                                           Maximum: 100 Marks

Part A

Answer all questions.

1. Compare fibre cable.

2. Write notes on bus and ring technology.

3. Write notes on datagrams.

4. Compare and contrast non-adaptive algorithm and adaptive algorithm.

5. Describe briefly the key feature's of LAN protocols.

6. Write note on IEEE standards.

7. What are the uses  transport service primitives ?

8. What are the uses of session layer

9. What is entrophy encoding ?

10. Give the two fundamental cryptography principles.

(10 x 4 = 40 marks)

Part B

Answer all .questions. All questions carry equal marks.

11. (a) Give an account of different transmission media. Or

    (b) Describe the various layers of OSI model.

12. (a) Describe the internal organization of network layer. Or

    (b) Give an account for routing algorithm. and explain the optimality principle.

13. (a) Describe ALOHA system. Or

    (b)    Describe IEEE standard 802 for LANS.

14. (a) Describe the elements of transport protocols.

Or

    (b) Describe the two-army problem.

15. (a) Describe how data compression is done.

Or

    (b) Describe the organization and use of email system.

(5 x 12 60 marks)

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