Data Communication and Network Standards (April – 2015) [IDOL - Revised Course | Question Paper]

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B.Sc.IT: Semester – II

[Data Communication and Network Standards]

Question Paper (April – 2015) [Revised Course]

Time: 3 Hours
Total Marks: 100

N.B.:       (1) All Questions from 1 to 7 are Compulsory.
                (2) Attempt any 3 sub questions out of 4 from Q.2 – Q.7.
                (3) Draw neat and labelled diagram whenever necessary.

Q.1 Attempt Both The Question: (10 Marks)

(A) What is Data Communication? Explain fundamental characteristics of Data Communication System.

(B) Differentiate between digital and Analog Signals.

Q.2 Attempt Any Three From The Following: (15 Marks)

(A) What is Addressing? Explain different types of addressing.

(B) What is a Signal Propagation?

(C) Explain the concept of protocols.

(D) Explain the following terms:

      (i) Signal and Composite Signal

      (ii) Phase and Frequency

Q.3 Attempt Any Three From The Following: (15 Marks)

(A) Explain Transport Layer of OSI Model.

(B) What is Transmission Modes in terms of direction?

(C) Define Computer Network? Explain different types.

(D) Explain the Layers of TCP/IP Model.

Q.4 Attempt Any Three From The Following: (15 Marks)

(A) Write notes on LRC & VRC.

(B) Define data and information. What are different types of representing it.

(C) What is Error Detection Technique? Explain Checksum in detail.

(D) Define Error and its types with examples.

Q.5 Attempt Any Three From The Following: (15 Marks)

(A) What is Synchronous Transmission Mode?

(B) Explain Parallel Transmission Mode.

(C) What is Transmission Impairment? Explain Attenuation in detail.

(D) What is Guided Transmission Media? Explain Coaxial Cable.

Q.6 Attempt Any Three From The Following: (15 Marks)

(A) What is Switching? Explain types of Switching.

(B) Define topology and explain different types of topologies.

(C) What is Router? Explain characteristics of Routing Algorithm.

(D) What is Network? Explain LAN, WAN & MAN.

Q.7 Attempt Any Three From The Following: (15 Marks)

(A) Differentiate IPv4 & IPv6 in detail.

(B) Differentiate between Radio Waves and infrared?

(C) Draw the diagram of IPv6 Header Format and explain.

(D) What is Transition? Explain Transition Mechanism of IPv6.

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