R09 - December, 2011 - Regular Examinations - Set - 4.

B. Tech III Year I Semester Examinations, December-2011
DATA COMMUNICATION AND COMPUTER NETWORKS
(COMPUTER SCIENCE AND ENGINEERING)
Time: 3 hours Max. Marks: 75
Answer any five questions
All questions carry equal marks
---
1.a) Distinguish between various Levels of addressing used in the Internet Give suitable examples.
b) Explain the following terms
i) Throughput
ii) Latency
iii) Bandwidth delay Product
iv) Jitter. [15]
2.a) Describe Major components of a Telephone Network.
b) Give the Services provided by Telephone Network. [15]
3.a) Explain and compare the performance of Random access protocols.
b) Give the characteristics of TDMA, FDMA and CDMA. [15]
4.a) Compare the features of Frame relay & ATM Networks
b) Describe Architecture and Layers of ATM Networks. [15]
5.a) What is logical addressing? Discuss IPV 4 addressing.
b) Compare IPV4 and IPV6. [15]
6.a) Give the features of differentiated Services.
b) Explain RSVP Protocol used in Integrated services. [15]
7.a) Explain the modes of operation of TELNET.
b) Explain the process of transferring a mail message. [15]
8. Write a brief note on:
i) HTTP
ii) Voice over IP. [15]
--ooOoo--