Guru Nanak Dev University 2007 B.C.A Computer Application Computer Networks - Question Paper

BCA Part-III April 2007(GNDU)

Computer Networks

Time allowed-Three Hours Maximum Marks:100


Note: Attempt any 5 ques..All ques. carry equal marks. [20 marks each]



1. (a) How does LAN differ from MAN and WAN? Also explain the transmission media prefered in every of these.

(b) explain the role of communication subnet in a computer network. Which layers of OSI model does it cover?

2. Illustrate the difference ranging from TCP?IP and OSI reference model.

3. (a) What do you understand by IEEE standard 802? discuss.

(b) What is network topology? explain different kinds of network topologies along with their respective suitability.

4. What is protocol? explain different kinds of protocol associated with layers of OSi model.

5. Differentiate ranging from the following:

(a) Analog and Digital Transmission.
(b) Packet switching and circuit switching.

6. (a) Enumerate the difference ranging from connectionless communication and connection-oriented communication.

(b) Compare Time division and frequency division multiplexing.

7. Differentiate ranging from the following:

(a) Routers and Gateways
(b) Baseband and Broadband transmission.

8. Illustrate the subsequent concepts:

(a) Network security
(b) Routing Algorithms.

Earning:   Approval pending.