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Posted By: Jaspreet Singh Member Level: Silver Posted Date: 16 Mar 2008
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2007 Guru Nanak Dev University B.C.A April 2007 Computer Networks Question paper
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BCA Part-III April 2007(GNDU)
Computer Networks
Time allowed-Three Hours Maximum Marks:100
Note: Attempt any Five questions.All questions carry equal marks. [20 marks each]
1. (a) How does LAN differ from MAN and WAN? Also discuss the transmission media prefered in each of these.
(b) Discuss the role of communication subnet in a computer network. Which layers of OSI model does it cover?
2. Illustrate the difference between TCP?IP and OSI reference model.
3. (a) What do you understand by IEEE standard 802? Explain.
(b) What is network topology? Discuss various types of network topologies along with their respective suitability.
4. What is protocol? Discuss various types of protocol associated with layers of OSi model.
5. Differentiate between the following:
(a) Analog and Digital Transmission.
(b) Packet switching and circuit switching.
6. (a) Enumerate the difference between connectionless communication and connection-oriented communication.
(b) Compare Time division and frequency division multiplexing.
7. Differentiate between the following:
(a) Routers and Gateways
(b) Baseband and Broadband transmission.
8. Illustrate the following concepts:
(a) Network security
(b) Routing Algorithms.
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