MU Computer Communication & Telecom Networks - May 2013 Exam Question Paper

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MU Electronics and Telecom Engineering (Semester 6)
Computer Communication & Telecom Networks
May 2013

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Explain the difference between connection oriented and connection-less service.

5 M

1 (b) What is data transparency? What is bit stuffing and De-stuffing?

5 M

1 (c) What is collision and broadcast domain? How can they be reduced?

5 M

1 (d) Explain ALOHA and slotted ALOHA.

5 M

2 (a) What does the term error control mean in the data link layer? Explain Go-Back ARQ and selective repeat ARQ protocols.

10 M

2 (b) Explain count to infinity problem and methods to overcome this problem.

10 M

3 (a) Compare circuit switching, packet switching and message switching in detail.

10 M

3 (b) Explain TCP header in detail.

10 M

4 (a) Explain in detail repeaters, hubs, bridges, routers and switches.

10 M

4 (b) What is exterior and interior routing? Explain in detail distance vector routing or link state routing?

10 M

5 (a) Explain HDLC frame format. Describe configuration and response modes supported by HDLC protocol.

10 M

5 (b) Explain looping problem in bridge LAN with appropriate example. How to solve it.

10 M

6 (a) Write a note in detail on IEEE 802.3 standard in detail.

10 M

6 (b) Find the shortest path between the source node 1 and and to all the other nodes for the network given below using Dijkstra's algorithm. Also draw the shortest path tree from node 1 to all other nodes.

10 M

Write notes on (Any two) :-

7 (a) M/M/I model

10 M

7 (b) ARP and RARP

10 M

7 (c) ICMP

10 M

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