Madurai Kamraj University (MKU) 2005 M.C.A Computer Networks - Question Paper

COMPUTER NETWORKS

Time: 3 Hours Maximum: 100 Marks
PART A – ( eight * five = 40 marks)
ans all ques..
1. (a) discuss different topologies in network.
Or
(b) Write short note on connection oriented and conneetionless services.
2.. (a) discuss ATM switches in briefly.
Or
(b) explain paging systems in cellular radio.
3. (a) discuss framing with example.
Or
(b) define CDMA in digital cellular radio.
4. (a) explain IEEE standard 802.4 Token bus.
Or
(b) define FDDI in briefly.
5. (a) Compare virtual circuit and datagram
subnets.
Or
(b) explain the general principles in congestion control.

6. (a) Explain IP protocol with example.
Or
(b) Write short notes on IPV6.
7 .. (a) Describe TCP connection management.
. \
Or
(b) Explain Network News Transfer Protocol.
8. (a) Write short notes on DNS.
Or
(b) explain URL with example.

PART B - (5 x 12 = 60 marks)
ans ALL ques..

9. (a) With neat diagram discuss OSI reference
model.
Or
(b) discuss in detail about any 4 transmission media.

10. (a) discuss fault detection and correction with example.
Or
(b) describe bridges. explain any 2 kinds of bridges in detail.
11. (a) discuss any 3 routing algorithms with example.
Or
(b) discuss the subsequent in ATM networks.
(i) Cell formats. (6)
(ii) Connection set up. (6)
12. (a) explain the subsequent elements of transport protocols
(i) Addressing
(ii) Establishing a connection.
" Or
(b) discuss system design for:better performance in detail.
13. (a) discuss secret-key algorithms in network security.
Or
(b) explain various E-mail privacy in detail.

Earning:   Approval pending.