Question Papers of IGNOU BCA CS68


CS68: Computer Networks
Year: 2006 TEE: December Time 3 Full Marks 75
Note : There are six questions in this paper. Question no. 1 is Compulsory and carries 30 marks. Attempt any three from the rest.

Q.1(e): Enlist two factors that cause congestion in the Subnet.

Q.1(f): Describe basic types of ISDN services.: [2]

Q.1(g): Compare and contrast Packet and Cell switching.: [4]

Q.2(a): Explain how Slotted Aloha improves the performance of system over Pure Aloha.: [3]


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