Kurukshetra University 2010 B.Tech Electronics and Communications Engineering Compuer Communication Network - Question Paper

Computer Communication Network
ECE-310E

time: 3 hours] [maximum marks : 100

note :- attempt 5 ques. in all , selecting at lowest 1 ques. from every unit.

UNIT-1

1. (a) elaborate the hardware and software requirements to setup computer network ? [10]

(b) differentiate N-ISDN and B-ISDN . [10]

2. (a) define which kinds of transmission media suitable for high speed networks. [10]

(b) compare OSI and TCP/IP reference models. [10]

UNIT-2

3. elaborate different data link layer protocols ? discuss in detail. [20]

4. (a) differentiate packet switching and message switching with suitable example. [10]

(b) discuss the working of satellite network. [10]

UNIT-3

5. (a) discuss how to avoid and prevent congestion in network system. [10]

(b) what do you mean by remote procedure call ? [10]

6. (a) discuss link state routing algorithm. [10]

(b) explain design problems of transport layer. [10]

7. (a) discuss the working of POP3 and SMTP protocols. [10]

(b) what is the need of data compression ? [10]

8. (a) elaborate the design problems of presentation layer ? [10]

(b) discuss public-key cryptography with suitable example. [10]

Earning:   Approval pending.