DISTANCE EDUCATION
B.Sc. (IT)/B.Sc. (Information Technology)/(Lateral) DEGREE
EXAMINATION, MAY 2018.
COMPUTER NETWORKS
(2007 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
All questions carry equal marks.
1. Give a detailed note on network hardware and software.
2. Describe the different physical transmission media.
3. Give a detailed note on error detection and correction
codes.
4. Explain the following protocols.
Elementary data link protocols.
Sliding window protocols.
5. Explain the following routing algorithms.
Shortest path routing
Link state routing.
6. Discuss on
Congestion prevention policies.
Tunneling and fragmentation.
Sub. Code
31
DE-3628
2
wk10
7. Explain the following
TCP service model.
TCP connection management.
8. Discuss on
Secret key algorithms.
E-mail.
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