CS-803-C Internet of Things - May 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
   aDiscuss about logical design of Internet of Things.
   How to answer

   • Define IoT logical design: IoT functional blocks, communication models and APIs
   • Explain functional blocks: identification, sensing, communication, computation, services, semantics
   • Explain communication models: request-response, publish-subscribe, push-pull, exclusive pair
   • Explain communication APIs: REST and WebSocket based
2. 7 Marks
   bDifferentiate between M2M and IoT.
   How to answer

   • Define M2M and IoT briefly
   • Compare on communication, devices, network, intelligence, application basis
   • Give examples for each
   • Conclude with key differences summary
3. 7 Marks
   aWhat are the benefits provided by SDN (software defined networking) to IoT.
   How to answer

   • Define SDN and its architecture: control and data plane separation
   • Explain benefits: centralized management, programmability, agility, cost and scalability
   • Relate benefits to IoT: dynamic routing, resource management, security
   • Give IoT use-case examples
4. 7 Marks
   bWrite short note on Actuator.
   How to answer

   • Define actuator and its role in IoT
   • Explain types: electrical, hydraulic, pneumatic with examples
   • Explain working: converting control signal to physical action
   • Give IoT applications
5. 14 Marks
   Discuss the role of sensors in IoT. Explain the various types of sensors.
   How to answer

   • Define sensors and their role in IoT data acquisition
   • Explain role: sensing, data collection, monitoring and automation
   • Classify sensors: temperature, pressure, proximity, image, etc.
   • Explain each type with principle and IoT example
6. 7 Marks
   aWhat are the functional components of IoT explain.
   How to answer

   • Define IoT functional components overview
   • Explain components: sensing, communication, processing, application, security
   • Explain interaction between components
   • Give block diagram and example
7. 7 Marks
   bDescribe wireless sensor network technology in detail.
   How to answer

   • Define wireless sensor network and its need in IoT
   • Explain architecture: sensor nodes, gateway, sink, network topology
   • Explain protocol stack and working
   • Discuss applications, advantages and challenges
8. 7 Marks
   aExplain about ZigBee with suitable sketch.
   How to answer

   • Define ZigBee and IEEE 802.15.4 basis
   • Explain architecture, topologies and device types with sketch
   • Explain features: low power, range, data rate, applications
   • Give IoT use-cases
9. 7 Marks
   bHow we can address IoT network challenges by using NFC (Near Field Communication).
   How to answer

   • Define NFC principle: short-range contactless communication
   • List IoT network challenges: pairing, security, power, heterogeneity
   • Explain how NFC addresses commissioning, authentication and pairing
   • Give examples: smart pairing, access control, payment
10. 14 Marks
    Explain in detail about MQTT protocol.
    How to answer

    • Define MQTT and publish-subscribe model
    • Explain architecture: broker, publisher, subscriber, topics
    • Explain packet types, QoS levels 0/1/2 and flow
    • Discuss features, advantages and IoT applications
11. 7 Marks
    aWhat are the AMQP features and components explain in detail.
    How to answer

    • Define AMQP and its purpose in IoT messaging
    • Explain features: reliability, routing, security, interoperability
    • Explain components: exchanges, queues, bindings, broker
    • Give comparison with MQTT use-case
12. 7 Marks
    bGive brief idea about Arduino.
    How to answer

    • Define Arduino as open-source prototyping platform
    • Explain hardware: microcontroller board, I/O pins, types
    • Explain software IDE and programming basics
    • Give IoT application examples
13. 14 Marks
    Write short note on: (any three).

    1. a)Communication APIs in IoT
    2. b)Web Socket
    3. c)Media Access control
    4. d)REST
    How to answer

    • For each chosen topic: define and explain concept in IoT context
    • Explain working / architecture with key points
    • Give example / protocol flow / use-case
    • Conclude with advantages or applications