DISTANCE EDUCATION
M.Sc. (Computer Science) DEGREE EXAMINATION,
MAY 2018.
COMPUTER NETWORKS
(2007 onwards)
Time Three hours Maximum 100 marks
SECTION A — (10 × 3 30 marks)
Answer ALL questions.
1. What is Metropolitan Area Network?
2. Compare connection-oriented with connectionless service.
3. What are the elementary data link protocols?
4. What is HDLC?
5. What is fragmentation?
6. Expand ICMP and RARP.
7. What are the services provided to the upper layers?
8. How the performance of the Networks are measured?
9. What are the two fundamental cryptographic principles?
10. What is crypt analysis?
Sub. Code
21
DE-3894
WSS
2
SECTION B — × 10 40 marks)
Answer any FOUR questions.
11. Explain the various Network Standardization.
12. Write about
Framing
Error control
Flow control.
13. Write short notes on tunneling.
14. Discuss on Routing and Switching.
15. Compare and contract TCP with UDP.
16. Write about JPEG and MPEG standards.
SECTION C — × 15 30 marks)
Answer any TWO questions.
17. Discuss the concept of example networks.
18. What are the types of multiple access protocols? Explain
any two types in detail.
19. Explain about Network Layer in the internet.
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