Computer Networks 2021 – BSc Computer Science Part 3

Total No. of Questions: 9] [Total No. of Printed Pages: 4

Paper code: 13525
1525
B.Sc. (Computer Science) (Part 3)
Examination, 2021
Paper No. 3.1
COMPUTER NETWORKS

Time: Hours] [Maximum Marks: 50

Note: Attempt all sections as directed.

Section-A

Note: Attempt any two question : 15 each

1. (a) Illustrate the need of error control.

(b) How IP address are assigned in computer networks ?

1. (a) What is CSMA/CD ? How does it work ?

(b) What is UTP ? Differentiate it with STP.

1. (a) Explain the role of Novell Netware and its utilities.

(b) Explain static & dynamic channel allocation in LANs and WANs.

1. (a) Explain ISDN service transmission and its types.

(b) Explain flooding and routing.

1. (a) Discuss the three-way handshaking in TCP for connection established.

(b) Explain the process of transferring a mail.

Section-B

Note: Attempt any one question : 20 each

1. (a) Elaborate multitask routing protocols.

(b) Explain transport layer.

1. (a) Explain IEEE standard 802.3 and 802.4 with example.

(b) Explain the utility of fiber optical cable and disadvantages of it.

1. (a) Explain ATM network.

(b) Explain different types of Bridges.

1. Explain any five of the following :

(i) Coaxial cable

(ii) Switching

(iii) Firewall

(iv) Fragmentation

(v) Communication satelite

(vi) Framing

(vii) Types of LAN

(viii) OSI

……..End……..