University of Madras
Chepauk, Chennai - 600 005. Master of Computer Science Title of the Paper : Computer Networks
Month & Year of Examination: April & 2013 Subject Code : PSA2D Semester : II Year : First Year Time : Three hours Maximum : 75 marks Question Paper Number: 55805 PART A - (10 * 1 = 10 marks)
Answer any TEN questions. All questions carry equal marks. Each answer should not exceed 50 words. 1. Define Multicasting.
2. Distinguish between LAN and other kinds of Networks. 3. What are peers? 4. Define byte stuffing. 5. What is hamming distance? 6. What is meant by Piggy backing? 7. Write down the various approaches for dealing with errors in the presence of pipelining. 8. Define collision. 9. Expand ICANN. 10. Define flooding. 11. What is cryptology? 12. What is meant by eipher? PART B - (5 * 5 = 25 marks)
Answer any FIVE questions. All questions carry equal marks. Each answer should not exceed 200 words. 13. Explain the principles of wireless networks.
14. Compare and contrast connection-oriented and connectionless services. 15. Discuss on Framing in Data Link layer design issue. 16. Explain point-to-point protocol. 17. Discuss on collision free protocols. 18. Discuss on Internet protocol header. 19. Explain Transport layer Addressing. PART B - (4 * 10 = 40 marks)
Answer any FOUR questions. All questions carry equal marks. Each answer should not exceed 500 words. 20. Explain OSI reference model.
21. Explain the various transmission media for data communication. 22. Design the structure of the Telephone system. 23. Explain channel allocation problem in medium access control sublayer. 24.Describe any two routing algorithms in Network layer. 25.Explain transport layer connection establishment. |
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