Download JNTUA MBA 2017 Nov 4th Semester 14E05406 Data Communication & Network Analysis Question Paper

SECTION -A

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

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1. (a) Give brief description about delay analysis.
   (b) Define multiplexing. Describe briefly about the frequency division multiplexing.
   OR
2. (a) What are the different types of topologies present in networks? Explain.
   (b) Explain in detail about the packet switching.

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3. Discuss in detail about the go back N and selective repeat protocols.
   OR
4. (a) What are the main functions of the data link layer?
   (b) What is routing? Explain the hierarchical routing in detail.
5. (a) What is addressing? Explain it in detail.
   

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   (b) Discuss in detail about the functions of session layer.
   OR
6. Describe briefly about the connection establishment and release of connection in transport layer.
7. (a) What is a digital signature? Explain it in detail.
   (b) Give a brief note on file transfer protocol.
   

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   OR
8. What is the need of message encryption? Explain different data encryption methods in detail.
9. (a) Explain in detail about the history of ISDN.
   (b) Describe briefly about the internetworking devices in detail.
   OR

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10. Write a short note on the following:
    (a) TCP/IP.
    (b) Networking devices.

SECTION -B

(Compulsory Question) 01 X 10 = 10 Marks

1. Case study:
   

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   Consider the connection oriented services and connection less services to describe the following:
   (a) Give two examples of computer applications for which connection-oriented service is appropriate and justify.
   (b) Give two examples of computer applications for which connection-less service is appropriate and justify