Makhanlal Chaturvedi National University of Journalism and Communication 2005 M.Sc Information Technology Networking - - Question Paper

Duration: 3 Hours
Max. Marks: 100
Minimum Passing Marks: 40

Instructions:
1. The ques. Paper is divided into 5 units. every unit carries an internal option.
2. Attempt 1 ques. from every unit. Thus attempt 5 ques. in all.
3. All ques. carry equal marks.
4. presume suitable data wherever necessary.
5. English version should be deemed to be accurate in case of any anomaly in translation.
6.Protest against ques. paper, if any, should be lodged after paper through Head of Department Study Institute. No boycott of paper should be made under any circumstances by the examinees.

Unit-I
1.a. What is meant by multiplexing of signals ? discuss the concept of FDM and TDM. provide examples where every of these schemes are used.(10)

b. Compare broad band and base band transmission.(10)

2.a. List and explain the basic network topologies. Write advantages and disadvantages of every of them.(10)

b. Write the utility of Network Adapter Card.(10)

Unit-II
3.a. discuss IEEE 8023 with the help of diagram.(10)

b.A 4-mbps token ring has a token holding times value of 10 msec. What is the longest frame that can be sent on this ring?(10)

4.a. List the 7 layers of OSI model and discuss the functions performed by every layer.(10)

b. explain in brief different switching techniques.(10)

Unit-III
5.a. What is a 1 bit sliding window protocol? Analyse the performance of Sliding Window Protocol.(10)

b. discuss any 5 strategies for controlling congestion.(10)

6.a. What is a Bridge ? discuss any 2 routing algorithms proposed for a bridged LAN environment with the help of diagram.(10)

b. write short notes on the following: (i) ATM Network (ii) FST Ethernet. (10)

Unit-IV
7.a. List and discuss a few uses of Internet.(10)

b. define different data encription methods by giving suitable example of every.(10)

8. discuss the following:

(a) FTP (b) IP Addresses.(20)

Unit-V
9.a. elaborate gateways ? provide 2 examples for the application of every style of gateway where they are best suited.(10)

b. elaborate the differences ranging from a bridge and a gateway?(10)

10.a. write the major functions of Network operating system.(10)

b. what is Broad band ISDN ? What services are given by Broad band ISDN ?(10)

Earning:   Approval pending.