Maharashi Dayanand University (MDU) 2007 M.B.A COMPUTER NETWORKS & INTERNET - Question Paper

M.B. A. two Yr. fourth Sem. (DDE)
exam July, 2007
COMPUTER NETWORKS & INTERNET
Paper: MM-2.42
Time : 3 hour maximum marks:70

Before answering the question, candidate should ensure that they have been supplied the accurate and complete ques. paper. No complaint in this regard, will be entertained after exam
Note: Attempt any 5 ques. in all, selecting at lowest 1 ques. from every unit. All ques. carry equal marks.

UNIT-I
1. What do you understand by Half-duplex transmission? discuss different transmission channel used in computer networks.
2. (A) What do you understand by Client-server computing? discuss.
(b)What is a modem? elaborate its functions? Also, defines different kinds of . Modems
UNIT –II
3. What is OSI reference model? How it is various from TCP /IP? Outline the functions of every. Layer of OSl reference model.
4. (A What do you understand by routing and flow control ? discuss
B) Write a short note on cryptography.
Unit iii
5. What do you understand by network Security? What Can be the possible threat; to the security. Suggest a few countermeasures to these threats
6. discuss the subsequent in brief
a) Search Engine
(b) DRL
(c) E-mail
(d) Ipv6
UNIT-IV
7. (a) Distinguish ranging from home page and web page.
(b) Is HTML a programming language?
(c) Build a simple HTML document to illustrate its basic structure elements.
8. What arc tags in HTML? Illustrate different tags used in HTML along with their syntaxes for creating tables, frames and links.

Earning:   Approval pending.