DISTANCE EDUCATION
M.Sc. (Software Engineering) Years Integrated) DEGREE
EXAMINATION, MAY 2018.
COMPUTER NETWORKS
Time Three hours Maximum 100 marks
SECTION A — x 8 40 marks)
Answer any FIVE questions.
1. Describe the different types of services offered by the
layers.
2. Explain error-detecting codes with an example.
3. Describe the hierarchical routing algorithm.
4. Explain the UDP protocol.
5. Draw the basic model of web and explain how the web
works.
6. Write the steps in JPEG and explain.
7. Describe the different scenarios for releasing a
connection.
8. How routing and switching is established in ATM
Networks?
SECTION B — x 15 60 marks)
Answer any FOUR questions.
9. Explain the OSI reference model.
10. Describe the design issues of data link layer.
Sub. Code
31
DE-4150
2
wk14
11. Describe the congestion control approaches that can be
used in datagram subnets.
12. Describe the elements of transport protocols.
13. Explain the RSA algorithm with an example.
14. Describe the one-bit sliding window protocol.
15. Describe the satellites that are placed in different
regions.