B.Sc-B.Sc Information Technology COMPUTER NETWORKS(Alagappa University - Directorate of Distance Education-2012)

DISTANCE EDUCATION
B.Sc. (IT)/ B.Sc. (IT) (Lateral) DEGREE EXAMINATION,
MAY 2012.
COMPUTER NETWORKS
(2007 onwards)
Time : Three hours Maximum : 100 marks
Answer any FIVE questions. (5 × 20 = 100)
All questions carry equal marks.
1. (a) Explain about Network Hardware.
(b) What are the Transmission Media and explain.
2. (a) Explain about Elementary Data Link protocol.
(b) What is Protocol Verification and explain?
3. (a) Explain briefly about Congestion Control
Algorithms.
(b) Discuss about Network Layer Design Issues.
4. (a) Explain briefly about TCP Protocol.
(b) What are the Performance Issues? Explain briefly
them.
5. (a) Explain about Cryptography with an illustration.
(b) Describe the Electronic mail and Data Compression.
6. (a) Explain about TCP/IP Reference Model.
(b) List out the Communication Satellites and explain.
7. (a) Explain about Multiple Access Protocols.
(b) Describe the DataLink layer Design Issues.
8. (a) Explain the Network layer in the Internet.
(b) List out the Elements of Transport Protocols.

Earning:  ₹ 3.40/-