Amrita Vishwa Vidyapeetham 2007 M.Sc Information Technology Computer Networks Systems - Question Paper

M.Sc. (IT) Dec 2007.
Computer Networks Systems
Time : 3 hours Maximum : 100 marks
PART A — (10 ? three = 30 marks)
ans ALL ques..
1. Define the term resource sharing.
2. What is the role of packets in broadcast networks?
3. Expand and discuss the term WLL.
4. What are the components of an optical transmission system?
5. What is the function of a data link layer?
6. Explain the term piggy backing.
7. What is meant by routing algorithm?
8. What are the 3 main features of congestion control?
9. What is 3 way handshaking in transport layer protocol?
10. State briefly the technology behind MP3.
PART B— (4 ? 10 = 40 marks)
ans any 4 ques..
11. What is blue tooth technology? discuss.
12. Explain the working of Public Switched Transmission Network (PSTN).
13. Draw a diagram and discuss the data link layer.
14. Explain how routing is done within the data gram subnet.
15. What is meant by RPC? How does RPC work?
16. State briefly how messages are encrypted.
PART C — (2 ? 15 = 30 marks)
ans any 2 ques..
17. Give a detailed account on OSI reference model.
18. Explain how communication satellites transmit data.
19. Explain the working of ALOHA to solve channel allocation issue

Earning:   Approval pending.