SKR Engineering College 2007 B.E Computer Science Computer Networks (CS1302) - Question Paper

S.K.R Engineering College
Department of Computer Science and Engineering
Model exam
Subject Name: Computer Networks (CS1302)
Part - A
1. Define network. List a few of network Criteria
2. Give the function of physical and data link Layer
3. Define modem.
4. What is the application layer protocol of World Wide Web
5. Mention the port number used by that protocol.
6. What are sockets?
7. For the subsequent bit stream provide the return-to-zero conversion.
a) 111001100
b) 011010110
8. List the web document kinds.
9. Define traffic descriptor.
10. Define Hamming code. List the kinds of fault.

Part- B

11. a) describe protocol format. discuss in detail about the functions of OSI layers.
(OR)
b) explain about the transmission media. discuss in detail about the twisted and
co-axial cable in detail.

12. a) i. discuss the CSMA/CD method of Ethernet.(8)
b) ii.Explain HDLC protocol in detail (8)
(OR)
13. Explain in detail about the flow control methods (16)

14. Explain in detail about the duties of Transport layer (16)
(OR)
15. Explain in detail about the methods of congestion control.

16. a) Writes notes on cryptography (8)
b) discuss in detail about FTP protocol (8)
(OR)
17. a) discuss in detail about the threats to network Security (4)
b) What is DNS? State hoe DNS arranged the name space and how the domain name space is divided into. Also distinguish ranging from the fully qualified domain name and Partially qualified domain name.(12)

18. a) discuss in detail about the Quality of Services(8)
b) discuss in detail about the Transmission control Protocol.(8)
(OR)
19. a) discuss in detail about the network topologies (10)
b) discuss about the integrated and differentiated services (8)

**********ALL THE BEST***********

Earning:   Approval pending.