Computer Networks (April – 2014) [IDOL - Old Course | Question Paper]

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B.Sc.IT: Semester – III

[Computer Networks ]

Question Paper (April – 2014) [Old Course]

Time: 3 Hours
Total Marks: 100

N.B.:   (1) Questions No. 1 is Compulsory.
            (2) Attempt any four questions from the following.
            (3) Draw neat diagram whenever required.

Q.1 Attempt Both The Question: (20 Marks)
(A) Describe TCP/IP Reference Model with neat diagram.
(B) What is network topology? Explain all the topologies with advantages and disadvantages.

Q.2 Attempt Both The Question: (20 Marks)
(A) Explain the difference between Circuit and Packet Switching.
(B) Describe Error Detection in detail.

Q.3 Attempt Both The Question: (20 Marks)
(A) What is ARQ? Explain all types of ARQ in detail.
(B) Describe High Level Data Link Control with all the Frame Formats.

Q.4 Attempt Both The Question: (20 Marks)
(A) What is OSI/ISO Reference model? Explain all the layers in OSI Model.
(B) What is IP? Explain IPv4 Datagram Header Format in detail.

Q.5 Attempt Both The Question: (20 Marks)
(A) Explain X.25 Protocol in detail.
(B) What is DNS and Resource Encoding? Explain how DNS Serves Work?

Q.6 Attempt Both The Question: (20 Marks)
(A) What are different Routing Algorithms? Explain fixed Routing in detail.
(B) Write short notes on:
      (i) Hardware Concepts of Distributed Systems.
      (ii) ATM.

Q.7 Attempt Both The Question: (20 Marks)
(A) Write short notes on:
(1) Fiber Optic Cable
(2) Bridges and Routers
(3) Digital Signature

(4) TCP Connection Management

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