COMPUTER NETWORKS (July 2008)

Tamil Nadu Open University (BCA);

COMPUTER NETWORKS (JULY 2008)

PART-A

1. Explain Any Four uses of computer Networks?
2. Differentiate LAN, MAN and WAN?
3. Explain any four data link layer design issues?
4. Write short note on E-Mail?
5. Differentiate repeaters, bridges and gateways?
6. Explain the working of ISDN
7. Explain about modem.
PART-B

8. Explain the OSI reference Model
9. Explain the working of ALOHA protocols.
10. Explain the shortest path algorithm
11. What are choke packets? Explain a congestion control algorithm
11. Explain the DNS?
12. Explain the TCP and UDP protocols
13. Write in detail about applications of networks.
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