EC-703-B Internet of Things (IoT) - 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
   aDefine IoT. Describe the Characteristics and Components of IoT.
   How to answer

   • Definition of IoT as network of interconnected physical objects with sensing and communication
   • Key characteristics: connectivity, intelligence, dynamic, heterogeneity, scalability, sensing
   • Main components: devices/sensors, connectivity, data processing, user interface, cloud
2. 7 Marks
   bDiscuss about Physical design of IoT.
   How to answer

   • Concept of physical design: things, protocols, device specifics
   • Blocks: device, gateway, cloud, application
   • Communication models and physical layer choices
   • Example illustration of IoT device deployment
3. 7 Marks
   aSummarize the applications of IoT.
   How to answer

   • Overview of IoT application domains
   • Examples: smart home, healthcare, agriculture, industry, transport
   • Benefits in each domain
   • Summary of impact
4. 7 Marks
   bWrite in detail about the differences between IoT and M2M.
   How to answer

   • Definition of IoT vs M2M concepts
   • Comparison on communication, connection type, internet dependency
   • Comparison on scalability, application scope
   • Tabular differences with examples
5. 7 Marks
   aWith neat diagrams describe about how Network Function Virtualization virtualizes the IoT devices?
   How to answer

   • Concept of Network Function Virtualization (NFV)
   • NFV architecture applied to IoT gateways/devices
   • How virtualized functions replace hardware functions
   • Neat diagrams of NFV-IoT virtualization with benefits
6. 7 Marks
   bList the various IoT cloud based services. Discuss the benefits of IoT cloud.
   How to answer

   • List of IoT cloud services: storage, analytics, platform, app enablement
   • Examples: AWS IoT, Azure IoT, Google Cloud IoT
   • Benefits: scalability, cost, accessibility, processing
   • Discussion of on-demand and remote management advantages
7. 7 Marks
   aWhat are the message communication protocols for connected devices in IoT? Explain.
   How to answer

   • Need for lightweight messaging in IoT
   • Protocols: MQTT, CoAP, XMPP, AMQP, DDS
   • Publish-subscribe vs request-response models
   • Explanation of features and use cases
8. 7 Marks
   bDescribe any two web communication protocols with their advantages and disadvantages.
   How to answer

   • Selection of two web protocols e.g. HTTP, WebSocket, REST
   • Working principle of each
   • Advantages: interoperability, simplicity
   • Disadvantages: overhead, latency, power consumption
9. 7 Marks
   aDistinguish SOAP and COAP protocols.
   How to answer

   • Overview of SOAP and CoAP basics
   • Differences in protocol type, overhead, transport
   • Differences in use for constrained devices
   • Tabular comparison and suitability for IoT
10. 7 Marks
    bWhat is mean by participatory sensing? Discuss the importance of participatory.
    How to answer

    • Definition of participatory sensing using public devices
    • Types: participatory vs opportunistic
    • Importance in large-scale data collection
    • Examples and challenges
11. 7 Marks
    aDefine Radio Frequency Identification (RFID). Explain briefly the working principle of RFID with its components in IoT.
    How to answer

    • Definition of RFID and its role in IoT
    • Components: tag, reader, antenna, middleware
    • Working principle: electromagnetic coupling and data exchange
    • Applications in identification and tracking
12. 7 Marks
    bWhat are the applications of Automotive IoT? Discuss with suitable example.
    How to answer

    • Overview of Automotive IoT ecosystem
    • Applications: connected cars, fleet management, predictive maintenance
    • Safety, infotainment and V2X examples
    • Suitable example with working explanation
13. 7 Marks
    aDescribe the various IoT design methodology specifications in detail.
    How to answer

    • Steps of IoT design methodology: purpose, domain, information, service models
    • Functional, operational and device deployment specs
    • Detailed explanation of each specification
    • Example application of methodology
14. 7 Marks
    bWhat sensors are used in smart street lights? Explain how does the smart street light system works?
    How to answer

    • Sensors used: LDR, PIR/motion, IR, temperature
    • Architecture of smart street light system
    • Working: day-night detection and adaptive dimming
    • Energy saving and IoT connectivity benefits
15. 14 Marks
    Write a short note on any two of the following:

    1. a)Web sockets
    2. b)IP addressing in IoT
    3. c)Industrial IoT
    4. d)Arduino
    How to answer

    • Brief definition and key features of each chosen topic
    • Architecture/working and protocols involved
    • Applications and advantages in IoT
    • Diagram/example where relevant