Barkatullah University 2008 B.C.A Computer Application CS-68:Computer Networks - Question Paper
CS-68 ()
BACHELOR IN COMPUTER APPLICATIONS
Term-End Examination
June, 2008
CS-68 = COMPUTER NETWORKS
Time : 3 hours Maximum Marks : 75
Note : Question number 1 is compulsory. Answer any three questions from the rest.
2. (a) Explain any two Routing protocols. 9
(b) Explain any three differences between Contention based Media Access protocols and Polling based MAC protocols. 6
3. (a) Explain any five applications of ISDN. 5
(b) Explain any two retransmission strategies, used in
the data link layer. 10
4. (a) Describe the operation of virtual circuit and
datagram subnets. 10
(b) What are the reasons for congestion ? How can it be
controlled ? 5
5. (a) Explain the ATM layered architecture. 10
(b) Explain the time division multiplexing technique. 5
CS-68(D 2 4,000
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| Earning: Approval pending. |
