Kerala University 2009 B.C.A Computer Application ,, (I.D.E.), – V : DATA COMMUNICATION AND COMPUTER NETWORKS - Question Paper

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Second Year B.C.A. Degree Examination, April 2009, (I.D.E.)

Paper – V : DATA COMMUNICATION AND COMPUTER NETWORKS

Time : three Hours Max. Marks : 125

PART – A

ans all ques.. All ques. carry equal marks. (10×5=50 Marks)

1. Bring out the advantages of digital transmission over analog transmission.

2. Draw IP packet structure and define its packet fields.

3. Explain congestion prevention policies.

4. Differentiate ranging from leaky bucket issue and token bucket issue.

5. With proper figures discuss FSK.

6. Distinguish ranging from entropy encoding and source encoding.

7. Explain cycle redundancy code.

8. Briefly discuss collision free protocol.

9. What is DES chaining ? discuss.

10. Explain the optimality principles of routing algorithms.

PART – B

ans all parts. ans any 2 ques. from every part.

(6×12.5=75 Marks)

part – I

11. Give the physical description of twisted pair and coaxial cable and bring out its characteristics and applications.

12. Describe in detail about Pulse Code Modulation and Delta Modulation.

13. Describe Terrestrial microwave and satellite microwave. provide its characteristics and applications.


P.T.O.


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part – II

14. Draw the TCP/IP reference model and define every layer.

15. Explain sliding window protocol with proper diagram with window size as seven.

16. Briefly discuss fault detection and correction in datalink layer.

part – III

17. Explain in detail the network layer design problems.

18. Write the RSA algorithm and discuss its working with an example.

19. Explain with an example the MPEG standards.




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