EC-703-B Internet of Things (IoT) - Jun 2025 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 physical design of IoT.
   How to answer

   • Define physical design of IoT
   • Describe Things, protocols, connectivity and communication models
   • Explain IoT levels / deployment choices
   • Give examples of devices and interfaces
2. 7 Marks
   bExplain the Conceptual Framework and architecture of IoT with a suitable diagram.
   How to answer

   • Define conceptual framework of IoT
   • Explain layered architecture: perception, network, application / middleware
   • Draw labelled block diagram
   • Explain function of each layer with example
3. 14 Marks
   Describe how a solution is designed for a particular problem by making use applied architecture in M2M/IoT. Also, explain the use of partitioning the architectural work and solution work into two domains.
   How to answer

   • Define applied M2M/IoT architecture
   • Explain steps to design solution for a specific problem
   • Define architectural work domain vs solution work domain
   • Explain use/benefits of partitioning into two domains
4. 7 Marks
   aWhat are the message communication protocols for connected devices in IoT? Explain.
   How to answer

   • Define need for message communication in IoT
   • List protocols: MQTT, CoAP, XMPP, AMQP, DDS, HTTP
   • Explain publish-subscribe / request-response models
   • Compare use cases for connected devices
5. 7 Marks
   bExplain the constrained application protocol (CoAP).
   How to answer

   • Define CoAP and its constrained environment purpose
   • Explain CoAP architecture, methods and message types
   • Explain reliability, resource discovery and URI
   • Give IoT applications of CoAP
6. 7 Marks
   aDraw and explain single-node architecture of Wireless Sensor Network technology (WSN).
   How to answer

   • Draw single-node WSN architecture block diagram
   • Label sensing, processing, transceiver, power units
   • Explain function of each block
   • Explain data flow from sensor to network
7. 7 Marks
   bWhat sensors are used in smart street lights? Explain how does the smart street light system works.
   How to answer

   • List sensors: LDR, PIR/motion, IR, temperature, current
   • Explain smart street light system architecture
   • Explain automatic ON/OFF and dimming logic
   • State energy-saving benefits
8. 7 Marks
   aWhat is mean by participatory sensing? Discuss the importance of participatory.
   How to answer

   • Define participatory sensing
   • Explain role of citizens/mobile devices as sensors
   • Discuss importance: coverage, cost, real-time data
   • Give examples
9. 7 Marks
   bDiscuss the design objectives of IoT architecture needed to target a horizontal system of real-world services.
   How to answer

   • Define horizontal IoT system for real-world services
   • List design objectives: interoperability, scalability, security, heterogeneity
   • Explain each objective
   • Relate to real-world service integration
10. 7 Marks
    aExplain how cloud of things acts as an enabler for new value added services and applications with a neat diagram.
    How to answer

    • Define Cloud of Things concept
    • Draw Cloud-IoT integration diagram
    • Explain how cloud enables storage, analytics, new services
    • Give value-added service examples
11. 7 Marks
    bExplain the deployment and operational view, resources, services, virtual entities, users in an IoT system by considering a Parking IoT example.
    How to answer

    • Define deployment and operational views
    • Define resources, services, virtual entities, users
    • Map each concept to Parking IoT example
    • Explain interaction flow in smart parking
12. 7 Marks
    aDifferentiate between Industrial IoT and Automotive IoT.
    How to answer

    • Define Industrial IoT and Automotive IoT
    • Compare on basis of purpose, environment, requirements, protocols
    • Present differences in table form
    • Give examples of each
13. 7 Marks
    bWith neat diagrams describe about how Network Function Virtualization virtualizes the IoT devices?

    1. i)Characteristics of IoT
    2. ii)Data storage in IoT
    3. iii)HTTP
    4. iv)Arduino
    How to answer

    • Define Network Function Virtualization (NFV)
    • Draw NFV architecture virtualizing IoT devices/gateways
    • Explain virtualization of network functions for IoT
    • State benefits: flexibility, scalability, cost
14. 14 Marks
    Write a short note on any two:

    1. i)Characteristics of IoT
    2. ii)Data storage in IoT
    3. iii)HTTP
    4. iv)Arduino
    How to answer

    • Select any two topics from i)-iv)
    • Define and explain key features/concepts
    • Give diagram/example/protocol details as relevant
    • State applications and significance in IoT