CS-801 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
   aWhat is IoT? Describe in detail about IoT ecosystem.
   How to answer

   • Define IoT with characteristics
   • List ecosystem components: devices, connectivity, platform, analytics, applications
   • Explain role of each component
   • Diagram of IoT ecosystem
2. 7 Marks
   bExplain M2M service layer standardization.
   How to answer

   • Define M2M and service layer need
   • Explain ETSI M2M service layer architecture
   • Describe standardization aspects: interfaces, resources
   • Benefits for interoperability
3. 7 Marks
   aWhat are the different types of Sensors used in IoT Network?
   How to answer

   • Define sensor role in IoT
   • Classify sensors: temperature, pressure, proximity, etc.
   • Give examples of use in IoT network
   • Comparison table of types
4. 7 Marks
   bExplain Challenges and requirements of IoT device.
   How to answer

   • List requirements: power, connectivity, security, scalability
   • Explain challenges: heterogeneity, resource constraints
   • Discuss interoperability and management issues
   • Conclude with design implications
5. 7 Marks
   aExplain Near Field Communication (NFC).
   How to answer

   • Define NFC principle and operating frequency
   • Explain modes: reader/writer, peer-to-peer, card emulation
   • Describe range and data rate
   • Give applications e.g. payments
6. 7 Marks
   bExplain services of IoT oriented architecture with neat diagram.
   How to answer

   • Describe IoT oriented architecture layers
   • List services per layer
   • Provide neat labelled diagram
   • Explain service interactions
7. 7 Marks
   aWrite about the basic operations available in CoAP protocol.
   How to answer

   • Define CoAP and its use for constrained devices
   • List basic operations: GET, POST, PUT, DELETE
   • Explain confirmable vs non-confirmable messages
   • Mention observe and block transfer
8. 7 Marks
   bExplain with example MQTT Protocol. What is role of MQTT protocol in IoT?
   How to answer

   • Explain MQTT publish-subscribe model with broker
   • Give example with topics e.g. temperature sensor
   • Describe QoS levels and roles
   • Explain role in IoT: lightweight M2M messaging
9. 7 Marks
   aDiscuss the role of Data Analytics in Internet of Things (IoT).
   How to answer

   • Define data analytics in IoT context
   • Explain descriptive, predictive, prescriptive analytics
   • Describe pipeline: collection to insight
   • Give IoT use cases
10. 7 Marks
    bWhat is a Wireless Sensor Network? Mention the applications of it.
    How to answer

    • Define WSN and its components
    • Explain sensor node architecture
    • List characteristics
    • Mention applications: health, agriculture, military
11. 7 Marks
    aDescribe different Cloud Service Models.
    How to answer

    • Define cloud service models
    • Explain IaaS with example
    • Explain PaaS with example
    • Explain SaaS with example
12. 7 Marks
    bExplain different types of attacks in IoT systems.
    How to answer

    • Classify attacks by layer
    • Explain physical, network, application attacks
    • Give examples: DDoS, spoofing, malware
    • Mention countermeasures briefly
13. 7 Marks
    aDiscuss security and privacy issues in IoT systems.
    How to answer

    • Define security vs privacy in IoT
    • Discuss authentication and data confidentiality issues
    • Explain privacy leakage and tracking risks
    • Suggest mitigation approaches
14. 7 Marks
    bDiscuss any one case study of IoT in detail.
    How to answer

    • Select one case study e.g. smart home/city/health
    • Describe problem and IoT architecture used
    • Explain devices, protocols and data flow
    • Discuss outcomes and benefits
15. 14 Marks
    Write a short note on following:

    1. a)RFID
    2. b)Web sockets
    3. c)SMQTT
    How to answer

    • Define RFID with tags and readers
    • Explain Web sockets for full-duplex communication
    • Explain SMQTT as secure MQTT
    • Give IoT relevance of each