Tuesday, January 24, 2023

Dr. A.P.J. Abdul Kalam University MTECH I SEM (DC) Data Communication and Network Design (MTDC-105) Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Technology

First Semester Main Examination, Dec-2020

Data Communication and Network Design (MTDC-105)

Time: 3:00 Hrs Max Marks 70

Note: Attempt any five questions. All questions carry equal marks.

Assume suitable data if necessary and state them clearly.

Q.1 (a) Differentiate between packet, circuit and message switching in

brief.

(b) Explain the difference between repeater, bridge, router and

gateway.

Q.2 (a) Explain different means of flow control.

(b) What are the various ARQ retrains mission strategies?

Q.3 (a) Explain go – back – n sliding window flow technique.

(b) List out various features on HDLC. Clearly explain various

response modes.

Q.4 (a) What do you mean by virtual circuit and diagram? Explain in

detail.

(b) What is Routing? Explain any one routing algorithm briefly.

Q.5 (a) Discuss various network topologies in detail.

(b) What do you mean by FDDI? Explain in detail.

Q.6 (a) Draw and explain TCP header format.

(b) Describe ATM and Frame relay with suitable diagram and

description.

Q.7 (a) What is Null Mode?

(b) Explain the different type of switching technique?

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