SRM University 2007 B.Tech Computer Science and Engineering Bank : CS309 Computer Networks - Question Paper

16.what is the necessity of character stuffing.
17. elaborate the 4 framing methods?
18. various kinds of satellites?
19. List the differences ranging from satellite transmission and fiber transmission?
20. describe local loop?
21.what is meant by piggybacking?
22. elaborate 3 major issue in analog transmission lines?
23. What is a modem?
24. discuss AM with diagram?
25. discuss FM with diagram?
26. discuss PM with diagram?
27. describe band rate?
28. Distinguish ranging from half duplex and full duplex transmission?
29. write the 2 approaches to implement flow control.
30. elaborate the principles involved in data transmission through optical fiber?
31. discuss the structure of fiber cable with neat diagram?
32. What is PUSH TO TALK system?
33. elaborate the 2 ways by which HAND OFFs can be done ?
34. discuss Cyclic Redundancy check.
35. What is MAHO?
36. Compare ADSL and cable modem?
37.A bit string is 01111011111101111110 needs to be transmitted. What will be the string after bit stuffing?


PART B 10marks

1. discuss any 2 guided transmission media?
2. discuss any 2 unguided transmission media?
3. How fiber optics can be used for LAN? discuss
4. discuss ADSL with example?
5. discuss AMPS and its call management?
6. discuss CDMA?
7. explain in detail the transmission media coaxial cable with respect to physical
Description, transmission characteristic and use?
8.If the frame is 1101011011 and generator is x4+x+1 what would be the transmitted frame.
9.Write a protocol if there is only 1 buffer available at the sender and receiver.
10.W.R.T to sliding window protocol discuss
1.selective repeat
2.goback n
11.Discuss how petri net models used for protocol verification.
12.Discuss finite state Machine model for protocol specification.
13.write a stop and wait protocol.
14.If the frame is 1101011011 and generator is x4+x+1 what would be the transmitted frame. Suppose the 3rd bit from left is inverted during transmission show that this fault is detected at the reciever’s end.

Earning:   Approval pending.