University of Madras
Chepauk, Chennai - 600 005.
Chepauk, Chennai - 600 005.
Month and Year of Examination
April 2013
April 2013
Subject Code : PSC4M Question Number: 56714 Year: Second Time: Three hours Maximum : 75 marks
Part A - (10 * 1 =10 marks)
Answer ALL questions.
All questions carry equal marks.
Answer ALL questions.
All questions carry equal marks.
1. Compare and contrast Internet with Intranet.
2. Define Solitons.
3. What are the basic principles of packet switching?
4. What do you mean by datagrams?
5. Expand VSAT.
6. What is character stuffing?
7. Define piggybacking.
8. Mention the difference between ARQ and stop wait ARQ.
9. List out the primitives of a transport service.
10. Which layer is called as end to flow control layer?
2. Define Solitons.
3. What are the basic principles of packet switching?
4. What do you mean by datagrams?
5. Expand VSAT.
6. What is character stuffing?
7. Define piggybacking.
8. Mention the difference between ARQ and stop wait ARQ.
9. List out the primitives of a transport service.
10. Which layer is called as end to flow control layer?
Part B - (5 * 5 =25 marks)
Answer FIVE questions.
All questions carry equal marks.
Answer FIVE questions.
All questions carry equal marks.
11. Discuss in brief about the architecture of ARPANET
12. Explain in short about space division multiplexing.
13. Describe about simplex stop and wait protocol.
14. Differentiate virtual circuits and datagram subnets.
15. Write short notes on IP addresses.
16. Discuss about the architecture of pure ALOHA system.
17. Briefly about connection establishment and connection termination.
12. Explain in short about space division multiplexing.
13. Describe about simplex stop and wait protocol.
14. Differentiate virtual circuits and datagram subnets.
15. Write short notes on IP addresses.
16. Discuss about the architecture of pure ALOHA system.
17. Briefly about connection establishment and connection termination.
Part C - (4 * 10 =40 marks)
Answer FOUR questions.
All questions carry equal marks.
Answer FOUR questions.
All questions carry equal marks.
18. Differentiate OSI reference model and TCP/IP reference model with examples.
19. Give a detailed description about various error correction and detection methods.
20. Describe about CSMA and CD protocols.
21. Discuss about any two routing algorithms.
22. Write an overview about TCP.
23. Explain in detail about cryptographic techniques.
19. Give a detailed description about various error correction and detection methods.
20. Describe about CSMA and CD protocols.
21. Discuss about any two routing algorithms.
22. Write an overview about TCP.
23. Explain in detail about cryptographic techniques.