DISTANCE EDUCATION
B.Sc.(IT)/B.Sc.(IT)(Lateral) DEGREE EXAMINATION,
MAY 2017.
COMPUTER NETWORKS
(2007 Onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
All questions carry equal marks.
1. Give the Hardware requirements needed for
computer networks.
Mention the uses of computer networks.
2. Compare Narrowband ISDN with Broadband ISDN.
Give the usage of communication satellites.
3. List the issues that arise in designing data link
layer.
Explain on petri net models.
4. With examples discuss on SLIP and PPP.
Explain the concept of collision free protocols.
5. Explain the concept of fragmentation in Network
layer.
Discuss on ATM LAN's.
Sub. Code
31
DE-225
2
Sp 6
6. Describe the routing algorithm.
Discuss the following
ICMP
RARP.
7. Explain the concept of multiplexing.
Discuss the following
TCP
UDP.
8. Give the importance for providing security for
networks.
Mention the importance of data compression.