JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech III Year PRINCIPLES OF COMPUTER COMMUNICATIONS AND NETWORKS Previous Question Paper (May - 2019 - R16)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
PART - A
What is computer communication system?
Answer
A computer communication system is a collection of hardware and software components that enable the exchange of data between two or more computing devices over a transmission medium. It involves the transfer of information in the form of bits, ensuring reliable delivery through established protocols.
List the uses of computer in communication.
Answer
- Resource sharing: Allowing multiple users to access hardware like printers or software applications.
- Information exchange: Facilitating email, file transfers, and instant messaging.
- Distributed processing: Enabling multiple computers to work together on a single complex task.
What are the advantages of multiplexing?
Answer
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Give a note on application layer protocol.
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How are analog signals transmitted?
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What is analog signal in data communication?
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Write the main functions of the data link layer.
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List the different types of wireless communication with applications.
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What are connectors?
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Draw the bridge protocol architecture.
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PART - B
List and explain the types of computer networks.
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Explain the telephone system and data communications.
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Give a brief note on network standards.
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Describe the applications of networks.
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List and explain the OSI References models in detail.
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Explain the communication service methods and data transmission modes.
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Discuss the analog and digital communications.
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List and explain the characteristics of analog signals.
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Why are digital signals better than analog signals? Explain.
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How do you convert analog signal to digital signal? Discuss.
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Explain the physical and electrical characteristics of wire.
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Draw and explain the fiber optic media.
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Compare and contrast Switches Vs Routers.
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Give a brief note on repeaters.
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List and explain the types of In-Device and Inter-Device Connectors.
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