Question Papers of IGNOU BCA CS68

CS68: Computer Networks
Year: 2001 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(i): Differentiate between the following
(a)Hubs and Switches
(b)Transparent and Spanning tree bridges
Basic Rate Interface and Primary rate interface with respect to ISDN

Q.1(ii): Discuss the main characteristics and components ot twisted pairs and baseboard coaxial cables: [8]

Q.1(iii: Draw an ATM network and explain throuh one example to understand as to how the ATM network works: [7]

Q.2(i): What are the four LAN architectures and their standards? Discuss the operation of at least three LAN architectures?: [10]

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