AL-803-A Introduction to IoT - May 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
   aDiscuss the characteristics of IoT.
   How to answer

   • Define IoT and need for characteristics
   • List key characteristics: interconnectivity, heterogeneity, dynamic changes, enormous scale, sensing, intelligence
   • Brief explanation of each with IoT example
2. 7 Marks
   bDefine M2M communication. Write about M2M communication and architecture of M2M.
   How to answer

   • Define M2M communication
   • Explain M2M architecture / domains and components
   • M2M vs IoT distinction and example
3. 7 Marks
   aWhat is the purpose of logical design in IoT systems? List the key components typically considered in the logical design of an IoT solution.
   How to answer

   • Define logical design vs physical design in IoT
   • Purpose: functional abstraction, system modeling
   • List key components: IoT functional blocks, communication models/APIs
4. 7 Marks
   bSummarize the challenges of a sensor node.
   How to answer

   • Define sensor node and its role
   • Challenges: energy, memory, processing, communication, deployment
   • Summarize impact on IoT design
5. 7 Marks
   aDiscuss the fundamental difference between scalar sensors and vector sensors.
   How to answer

   • Define scalar sensors with examples
   • Define vector sensors with examples
   • Compare on parameters measured, direction, output and applications
6. 7 Marks
   bDifferentiate between electrical actuators and mechanical actuators in terms of energy efficiency and control flexibility in IoT deployments.
   How to answer

   • Define electrical and mechanical actuators
   • Compare energy efficiency
   • Compare control flexibility in IoT deployments with examples
7. 7 Marks
   aWhat is the basic working principle of RFID technology? How does RFID enable wireless communication for data transfer?
   How to answer

   • Define RFID components: tag, reader, antenna
   • Principle: electromagnetic coupling / backscatter
   • How wireless data transfer and identification occurs
8. 7 Marks
   bDescribe how wireless sensor networks became one of the enabling technologies of IoT.
   How to answer

   • Define wireless sensor networks
   • Features enabling IoT: sensing, multi-hop, low power
   • Role in IoT data collection and enabling technology
9. 7 Marks
   aExplain the difference between NFC and other wireless communication technologies used in IoT, such as Bluetooth and Wi-Fi?
   How to answer

   • Define NFC, Bluetooth, Wi-Fi basics
   • Compare range, data rate, power, pairing
   • Suitability for different IoT use cases
10. 7 Marks
    bWhat are the primary components of an MQTT-based communication system in IoT?
    How to answer

    • Define MQTT publish-subscribe model
    • Components: broker, publisher, subscriber, topics
    • Brief message flow in IoT system
11. 7 Marks
    aDescribe the role of CoAP Acknowledgement (ACK) and Reset (RST) messages in managing message delivery and error handling.
    How to answer

    • Define CoAP confirmable messages
    • Role of ACK in reliable delivery
    • Role of RST in error handling / rejection
12. 7 Marks
    bList and describe the main AMQP frame types used for communication in IoT environments?
    How to answer

    • Define AMQP and its use in IoT
    • List main frame types
    • Describe purpose of each frame type
13. 7 Marks
    aDescribe the connectivity options available on a Raspberry Pi board for interfacing with sensors, actuators and networks in IoT setups.
    How to answer

    • Overview of Raspberry Pi board
    • Connectivity: GPIO, I2C, SPI, UART, USB, Ethernet, Wi-Fi, Bluetooth
    • How each interfaces sensors, actuators and networks
14. 7 Marks
    bExplain the smart home automation system in an IoT.
    How to answer

    • Define smart home automation concept
    • Components: sensors, actuators, gateway, cloud/app
    • Working example: lighting, security, energy management
15. 14 Marks
    Write a short note on any two of the following.

    1. a)Components of IoT ecosystems
    2. b)Sensor types
    3. c)IoT challenges
    4. d)Attacks in IoT system
    How to answer

    • Select any two topics from list
    • Define and explain key points for each
    • Give examples / diagrams and IoT relevance
    • Conclude with significance