Hindustan Institute of Technology and Science (HITE) 2009 B.E Computer Science Computer Networks - Question Paper

COMPUTER NETWORKS

PART A:

1.What are the components of computer network?
2.Define Data link layer?
3.Berifly discuss stop and wait process?
4.Define ARP/RARP?
5.What is meant by IP spoofing?
6.What are the advantages of datagram socket?
7.Define DNS?
8.Explain how TCP flow control works?
9.How to decrease traffic congestion?
10.Define HTTP?

PART B:

11.(a)Explain the categories of computer network?
(b)Explain network topologies?
OR
(c)Explain OSI-ISO layer in detail?
(d)Explain various types of communication medium used in computer networks and how they differ from every other?
12.(a)Explain the function of Data link layer?
(b)Explain CRC fault detection mechanism in detail?
OR
(c)In the hamming code,for a data unit of m bits how do you calculate the number of redundant bits r needed?
(d)Discuss HDLC's merits and demerits?
13.(a)Explain IP addressing?
(b)Explain the functions of Repeaters,Bridges,Routers,Gateways in detail?
OR
(c)Explain Distance Vector Routing and Link state Routing?
14.(a)Explain Transport layer?
(b)Explain UDP and TCP in detail?
OR
(c)Explain congestion control and how it can be reduced?
(d)Explain Integrated services?
15.(a)Explain DNS and SMTP?
OR
(b)Explain HTTP and Cryptography?

Earning:   Approval pending.