IT-703-B Internet of Things - Nov 2023 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aExplain the different characteristics of IoT.
   How to answer

   • Define IoT briefly
   • List characteristics: interconnectivity, heterogeneity, dynamic changes, enormous scale, sensing, intelligence, etc.
   • Explain each characteristic briefly
   • Give IoT application examples
2. 7 Marks
   bDistinguish between IoT and WoT.
   How to answer

   • Define IoT and WoT
   • Compare basis: concept, focus, protocols, application layer
   • Tabular differences
   • Example of each
3. 7 Marks
   aWhat are the major Privacy and Security Issues in case of Internet of Things?
   How to answer

   • Define privacy and security in IoT context
   • List major issues: data privacy, authentication, authorization, eavesdropping, DoS, etc.
   • Explain each issue briefly
   • Mention constrained devices and large attack surface
4. 7 Marks
   bWhat do you mean by sensor node and List some key features that sensors commonly possess?
   How to answer

   • Define sensor node and its components
   • Explain role in WSN/IoT
   • List key sensor features: sensitivity, accuracy, range, power, etc.
   • Brief explanation of features
5. 7 Marks
   aDifferentiate between analog and digital sensors and highlighting their respective characteristics.
   How to answer

   • Define analog and digital sensors
   • Compare signal type, accuracy, cost, complexity
   • Highlight characteristics in table
   • Give examples of each
6. 7 Marks
   bName and briefly describe the major types of sensors used in various applications.
   How to answer

   • List major sensor types: temperature, pressure, proximity, optical, etc.
   • Brief working principle of each
   • Mention typical IoT applications
   • Summary comparison
7. 7 Marks
   aExplain the concept of IoT service-oriented architecture and its significance.
   How to answer

   • Define service-oriented architecture (SOA)
   • Explain layers/services in IoT context
   • Significance: reusability, interoperability, scalability
   • Example use-case
8. 7 Marks
   bDifferentiate between ZigBee and its various types in the context of IoT applications.
   How to answer

   • Brief overview of ZigBee
   • List ZigBee types/profiles: ZigBee PRO, RF4CE, IP, etc.
   • Differentiate on basis of features/application
   • Relevance to IoT applications
9. 7 Marks
   aExplain the concept of NFC (Near Field Communication) and how it is used in IoT?
   How to answer

   • Define NFC and operating principle
   • Explain modes: reader/writer, peer-to-peer, card emulation
   • How NFC used in IoT: pairing, payments, access
   • Advantages/limitations
10. 7 Marks
    bExplain what MQTT (Message Queuing Telemetry Transport) is and list its key components?
    How to answer

    • Define MQTT and publish-subscribe model
    • List key components: broker, publisher, subscriber, topics
    • Explain QoS levels and workflow
    • IoT usage advantages
11. 7 Marks
    aWhat are the various frame types used in the AMQP protocol, and how do they contribute to communication?
    How to answer

    • Define AMQP briefly
    • List frame types: open, close, transfer, flow, etc.
    • Explain role of each in communication
    • How frames ensure reliable messaging
12. 7 Marks
    bDefine XMPP (Extensible Messaging and Presence Protocol) and explain its role in IoT communication.
    How to answer

    • Define XMPP full form and basis on XML
    • Explain architecture: client-server, stanzas
    • Role in IoT: presence, instant messaging, interoperability
    • Advantages/limitations
13. 7 Marks
    aWhat are IoT platforms, and how do they facilitate the development and management of IoT devices?
    How to answer

    • Define IoT platform
    • Explain functions: device management, connectivity, data handling
    • How it facilitates development and management
    • Examples of platforms
14. 7 Marks
    bHow does data analytics contribute to the effectiveness of IoT systems, and what role does it play in extracting insights from IoT-generated data?
    How to answer

    • Define data analytics in IoT
    • Explain contribution: efficiency, predictive maintenance, decision making
    • Role in extracting insights from large IoT data
    • Types: descriptive, predictive, prescriptive
15. 14 Marks
    Write short note on (any two) :

    1. a)Cloud storage models
    2. b)Physical and logical design of IoT
    3. c)The role of an actuator
    4. d)SMQTT protocol
    How to answer

    • Select any two topics from list
    • Define each concept clearly
    • Explain key points, types/roles with examples
    • Mention IoT relevance and diagram if needed