B.C.A. DEGREE EXAMINATION, NOVEMBER 2017
Sixth Semester
Computer Application
COMPUTER NETWORKS
(CBCS 2011 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 X 2 20)
Answer all questions.
1. What is a Point-to-Point Network?
2. What is meant by Geostationary Satellite?
3. What is the purpose of Error Detection code?
4. What is ALOHA?
5. What are the design issues of Network layer?
6. What is meant by Switching?
7. What do you mean by Upward Multiplexing?
8. Write down the QOS parameters for the Transport layer.
9. What are the advantages of Data compression?
10. What is Plain Text and Cipher Text?
Sub. Code
1BCA6C2
AFC-10380
2
WK16
Part B 5 25)
Answer all questions, choosing either or
11. Write short notes on ISDN.
Or
Explain any Two guided transmission media.
12. Explain the working of unrestricted Simplex
protocol.
Or
Explain the working of Collision free protocol.
13. Explain any one Congestion control algorithm.
Or
Explain the working Link state Routing.
14. Explain how connections are released by Transport
layer protocols
Or
Write short notes on Flow Control.
15. Write short note on Network Security.
Or
Explain SNMP.
AFC-10380
3
WK16
Part C 10 30)
Answer any three questions.
16. Explain the OSI reference model with a diagram.
17. Explain the working of any Two Sliding window
protocols.
18. Explain the Network layer in ATM networks.
19. Explain the various Transport services.
20. Explain
Email privacy
JPEG
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