Download JNTUA MBA 2019 June 4th Sem 14E05406 Data Communication And Network Analysis Question Paper

SECTION - A

(Answer the following: 05 X 10 = 50 Marks)

1. Define multiplexing. Describe briefly about the frequency division multiplexing.

   OR

   Draw and explain the functionality of each layer in OSI reference model.

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2. Describe the design issues of data link layer.

   OR

   Explain in detail about the unrestricted stop and wait protocol.

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3. Describe the procedure for connection establishment in transport layer.

   OR

   Explain briefly about the addressing in transport layer.

4. Explain various data encryption methods available.

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   OR

   What is digital signature? Discuss the need of digital signature in network security.

5. Explain various protocols used in application layer in detail.

   OR

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   Give a brief note on ISDN services and networking devices.

SECTION - B

(Compulsory Question, 01 X 10 = 10 Marks)

Case study:

Which of the following CRC generators guarantee the detection of a single bit error?

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Questions:

1. x³ + x + 1
2. 1
3. x² + 1