Jawaharlal Nehru Technological University Hyderabad
Jawaharlal Nehru Technological University Hyderabad B.Tech III PRINCIPLES OF COMPUTER COMMUNICATIONS AND NETWORKS Previous Question Paper (February - 2023 - R16)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
Write a brief note on types of Computer Networks.
Answer
Computer networks are primarily classified based on their geographical coverage: LAN (Local Area Network) covers a small area like a building; MAN (Metropolitan Area Network) spans a city; and WAN (Wide Area Network) covers large distances, such as countries or continents.
Discuss briefly about Network Standards.
Answer
Network standards are sets of rules and protocols that ensure interoperability between different hardware and software from various vendors. Key organizations include IEEE, which defines standards like 802.3 (Ethernet) and 802.11 (Wi-Fi), and the ISO, which developed the OSI model to standardize network communication architectures.
List out various OSI Layers.
Answer
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What is Analog Communication?
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Write a brief note on SONET.
Answer
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What is a T-Carrier System?
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Write a short note on Radio Waves.
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Discuss briefly about Infrared signals.
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Write a short note on Routers.
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Explain briefly about PC Cards.
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Part B
Write a brief note on Computer Communications and Networking.
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Discuss about Network Addressing.
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Explain briefly about Interoperability and Security features.
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What is Routing? Give an overview of routing techniques.
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Write a short note on speed and capacity of a Communication Channel.
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Discuss in detail about Computer Applications and application protocols.
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Discuss briefly about Multiplexing.
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Write a brief note on Digital Communications.
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Write a detailed note on steps involved in converting Analog Data to Analog Signals and Digital Data to Analog Signals.
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Explain in detail about Data Rate and Bandwidth Reduction.
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Write a detailed note on Copper Media and its contents.
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List out the types of Satellites and their advantages and disadvantages.
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Discuss in detail about Data Link Layer.
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Explain in detail about Connectors and repeaters.
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Discuss in detail about Bridges.
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Explain in detail about Transreceivers and media convertors.
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Discuss about Switches in detail.
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