IT-703-B Internet of Things - Dec 2024 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
   aHow does M2M communication work? Explain.
   How to answer

   • Define M2M communication
   • Architecture/components: devices, sensors, network, server
   • Working steps: data capture, transmission, processing, action
   • Wired/wireless bearers and protocols
   • Example application
2. 7 Marks
   bProvide an insights overview of practical uses of IoT in today's applications.
   How to answer

   • Define IoT applications overview
   • Domains: smart home, health, industry, agriculture, transport
   • Practical use-case examples
   • Benefits observed
   • Insight/conclusion
3. 7 Marks
   aWhat are the key components of IoT Network configurations? Discuss.
   How to answer

   • Define IoT network configuration
   • Key components: sensors, gateway, network, cloud, application
   • Role of each component
   • Connectivity and topology notes
   • Diagram of IoT network
4. 7 Marks
   bExplain the concept of sensor resolution and why it is important in sensor technology.
   How to answer

   • Define sensor resolution
   • How resolution is specified
   • Why it matters: accuracy, detection of small changes
   • Example with sensor output
   • Impact on sensor selection
5. 7 Marks
   aDefine scalar and vector sensors by providing examples of each.
   How to answer

   • Define scalar sensor with definition
   • Examples of scalar sensors
   • Define vector sensor with definition
   • Examples of vector sensors
   • Difference in measured quantity
6. 7 Marks
   bExplain the terms bias, drift, hysteresis error, and quantization error in the context of sensors.
   How to answer

   • Define bias, drift, hysteresis error, quantization error
   • Cause of each error in sensors
   • Effect on measurement
   • Illustrative characteristic/graph
   • Mitigation/calibration
7. 7 Marks
   aWhat is 6LowPAN, and how does it contribute to IoT networking?
   How to answer

   • Define 6LoWPAN and full form
   • Key features: IPv6 over low-power wireless
   • Adaptation layer, header compression
   • Contribution to IoT networking
   • Applications
8. 7 Marks
   bDescribe the working principle of RFID and provide examples of its applications.
   How to answer

   • Define RFID and components: tag, reader, antenna
   • Working principle: electromagnetic coupling/ backscatter
   • Steps of identification
   • Types of tags
   • Application examples
9. 7 Marks
   aWhat is Bluetooth and how is it utilized in the context of IoT connectivity?
   How to answer

   • Define Bluetooth / BLE
   • Key characteristics: short-range, low power
   • Role in IoT connectivity
   • Piconet, pairing, profiles
   • Use-case examples
10. 7 Marks
    bWhat are the methods used in MQTT communication, and how do they contribute to the messaging process?
    How to answer

    • Define MQTT communication model
    • Methods: publish, subscribe, topics, broker
    • QoS levels 0,1,2
    • How they ensure reliable messaging
    • Role in messaging process
11. 7 Marks
    aList and explain the features and components of AMQP (Advanced Message Queuing Protocol).
    How to answer

    • Define AMQP
    • Key features: reliability, routing, queuing
    • Components: producer, exchange, queue, binding, consumer
    • Message flow steps
    • Use in IoT
12. 7 Marks
    bDescribe CoAP (Constrained Application Protocol) and list and explain the different types of CoAP messages.
    How to answer

    • Define CoAP and its purpose for constrained devices
    • Features: UDP, REST, low overhead
    • Types of CoAP messages: Confirmable, Non-confirmable, ACK, Reset
    • Explain each message type
    • Example exchange
13. 7 Marks
    aExplain the basic features of Arduino and Raspberry Pi boards and their roles in IoT projects.
    How to answer

    • Basic features of Arduino boards
    • Basic features of Raspberry Pi boards
    • Comparison of microcontroller vs microprocessor
    • Roles in IoT prototyping and projects
    • Example applications
14. 7 Marks
    bDiscuss the significance of cloud computing in the context of IoT, including its role in storage and processing.

    1. a)Communication APIs and it's role in IoT
    2. b)IoT conceptual and architectural framework
    3. c)Types of actuators
    4. d)The CoAP Request-Response model
    How to answer

    • Define cloud computing in IoT context
    • Need for storage of massive IoT data
    • Role in processing/analytics
    • Scalability and services (IaaS/PaaS/SaaS)
    • Example IoT-cloud architecture
15. 14 Marks
    Write short note on (any two):

    1. a)Communication APIs and it's role in IoT
    2. b)IoT conceptual and architectural framework
    3. c)Types of actuators
    4. d)The CoAP Request-Response model
    How to answer

    • Select any two topics from a-d
    • Define each selected topic
    • Key features/components/types
    • Role in IoT with example
    • Concise conclusion