Shivaji University 2007 B.E Computer Science COMPUTER NETWORKS - Question Paper
Sunday, 19 May 2013 08:40Web
H-160
SECOND YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-2) EXAMINATION, 2007
SHIVAJI UNIVERSITY, KOLHAPUR
COMPUTER NETWORKS
Day and Date: Wednesday, 23-11-2007 Total Marks: 100
Time: 2.30p.m to 5.30p.m
Instructions: 1) Attempt any 3 ques. from every part.
2) Figures to right indicate full marks.
SECTION-1
Q.1 a) Write short notes on (any four)[Marks 16=4*4]
1) Fragmentation
2) Tunneling
3) ALOHA
4) Optimality principle
5) Binary exponential Backoff Algorithm
Q.2 a) what is collision free protocol? discuss bit-map protocol in detaiL.[Marks 6]
b) discuss IEEE-802.3 standards in detail.[Marks 8]
C) Draw Manchester encoding for bit pattern”10011100”.[Marks 4]
Q.3 a) A channel has bit rate of 4kbps and propagation delay of 20 ms, for what range of frame size stop and wait protocol provide efficiency of 50%.[Marks 6]
b) discuss the necessity of MAC sub layer.[Marks 4]
C) discuss the various states of CSMA/CD protocol.[Marks 4]
Q.4a) discuss TCP/IP reference model in detaiL.[Marks 6]
b) What is framing? Why framing is necessary?Explain various framing techniques used in data link layer.[Marks 8]
C) What is Hamming Distance? What must be hamming distance of single bit fault detecting code.[Marks 2]
SECTION-2
Q5. Write short notes on (any three) [Marks 18=6*3]
a) BGP
b) DNS
c) SNMP
d) RARP
Q6. a) What is silly window syndrome? How this issue is solved in TCP.[Marks 10]
b) discuss the structure of UDP data gram.[Marks 6]
Q.7a) explain ARP and RARP protocols.[Marks 8]
b) discuss functions of network layer in ATM networks.[Marks 8]
Q8) a) discuss data encryption standards (DES)? How it works?[Marks 6]
b) discuss RSA algorithm.[Marks 6]
c)Discuss E-mail. [Marks 4]
Earning: Approval pending. |