Annamalai University 2008-2nd Year B.C.A Computer Application " 260 COMPUTER NETWORKS " ( - XII ) ( PART - III ) ( ) 6 6 9 9 - Question Paper
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6 6 9 9 B.C.A. DEGREE EXAMINATION, 2008
(SECOND YEAR)
(PART - III)
(PAPER -XII)
( Revised Regulations)
(Including Lateral Entry )
December ] [ Time : 3 Hours
Maximum : 100 Marks
SECTION - A (8 x 5 = 40)
Answer any EIGHT questions.
All questions carry equal marks.
1. What are the applications of computer networks? Explain.
2. Write a note on wireless network.
3. What are the types of transmission media? Explain.
4. Write a note on network operating systems.
5. Illustrate the OSI reference model.
6. Explain about history of internet.
7. What is meant by routers ?-Explain.
8. What are the types of firewalls ? - Explain.
9. Explain the characteristics of LAN.
10. What are the advantages of packet switching? Explain.
SECTION - B (3 x 20 = 60)
Answer any THREE questions.
All questions carry equal marks.
11. (a) Explain about network software. (10)
(b) Explain the use of computer networks in detail. (10)
11. Explain the different network topologies in detail. (20)
13. (a) What are the advantages of reference
models ? - Explain. (10)
(b) Explain the challenges faced in internet working. (10)
14. Explain the following :
(a) Bridges.
(b) Proxy servers. (10+10)
15. (a) Write the drawbacks in circuit switching.
(b) List the salient features of
(i) LAN.
(ii) WAN. (6+6)
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