M.C.A. DEGREE EXAMINATION,
NOVEMBER 2017
First Semester
COMPUTER NETWORKS
(Common for M.C.A. M.C.A.
(CBCS 2017 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. What is meant by Network topology?
2. What is a protocol?
3. What is Framing?
4. What are the design issues of Data Link Layer?
5. What is circuit switching?
6. What is meant by Flooding?
7. What are the functions of TCP?
8. What is SNMP?
9. What is Encryption?
10. What is Substitution?
Sub. Code
541105/545105
RW-966
2
Wk6
Part B 5 25)
Answer all questions, choosing either or
11. Explain the various categories of Network.
Or
Explain any two transmission media used in
computer network.
12. Explain the error correction and error detection
with an example.
Or
Explain the CSMA/CD.
13. Explain virtual circuit and datagram subnets.
Or
Explain the various QOS parameters.
14. Explain UDP.
Or
Explain the protocols used in Email.
15. Explain the ECC system.
Or
Explain any one symmetric key cryptography
algorithm.
RW-966
3
Wk6
Part C 10 30)
Answer any three questions.
16. Explain the functions of various layers in OSI reference
model with a diagram.
17. Explain the sliding window protocol.
18. Explain Multicast routing algorithm
19. How connections are established and released by
Transport protocols? Explain.
20. Explain the RSA algorithm.
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