Introduction To Industry 4.0 And Industrial Internet Of Things Week 10 NPTEL Assignment Answers 2025

NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things Week 10 Assignment Answers 2024

1. Which of the following is not a part of the SDIIoT Architecture?
a. WSN
b. Private network
c. Industrial cloud
d. Industrial bus and network

✅ Answer :- b
Explanation: The private network is not explicitly considered a core architectural part of SDIIoT.

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2. Which of the following is not a part of the SDWSN platform in the context of Industry 4.0?
a. Applications
b. Data plane
c. Control plane
d. Terrestrial plane

✅ Answer :- d
Explanation: Terrestrial plane is not a recognized component of the SDWSN platform.

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3. Data processing is generally performed in __ present in the SDIIoT architecture?
a. LAN
b. Public network
c. Industrial cloud
d. None of the above

✅ Answer :- c
Explanation: The industrial cloud handles data processing in SDIIoT.

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4. R stands for __ in STRIDE Threat Model of IoT security.
a. Repudiation
b. Reliable
c. Replicable
d. Resonance

✅ Answer :- a
Explanation: In STRIDE, R = Repudiation, meaning denial of responsibility or action.

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5. Application layer of the IoT attack surface is vulnerable to which of the following attack vectors?
a. Reversal attack
b. Man-in-the-middle attack
c. Jamming attack
d. None of the above

✅ Answer :- a
Explanation: Reversal attacks affect application logic and inputs.

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6. What does trust permeation aim to establish within the IIoT system?
a. Unit hierarchies
b. Device integrity
c. Manufacturing logistics
d. Development life cycle

✅ Answer :- b
Explanation: Trust permeation focuses on ensuring the integrity of devices in IIoT.

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7. Which of the following does not represent a building block of IIoT security framework?
a. Fog device protection
b. Cloud security
c. Data protection
d. Embezzlement protection

✅ Answer :- d
Explanation: Embezzlement protection is not a standard security block in IIoT.

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8. Which of the following standards is supported by OT security in IIoT?
a. ISO/IEC 154083
b. ISO 27017, NIST SP 800-144, ENISA standard
c. NERC-CIP
d. ISO series of standards for privacy, framework and regulations

✅ Answer :- c
Explanation: NERC-CIP (North American Electric Reliability Corporation) ensures OT security in power systems.

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9. Which is not a key component of cloud security in the IoT framework?
a. Data privacy
b. Flow-rule protection
c. Access control
d. Identity management

✅ Answer :- b
Explanation: Flow-rule protection is part of SDN, not specific to cloud security.

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10. Which is not a key feature of a smart factory?
a. Connected
b. Optimized
c. Ambiguous
d. Agile

✅ Answer :- c
Explanation: A smart factory is not ambiguous; it’s designed to be clear, efficient, and data-driven.

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11. Which is incorrect about Kuka – an IoT-enabled factory?
a. A German robotics maker
b. Built an IoT-enabled factory
c. Robots connected to a private cloud
d. Deployed on A330 and A350 assembly lines in Toulouse

✅ Answer :- c
Explanation: The statement about Toulouse aircraft assembly relates to Airbus, not Kuka.

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12. __ is carried out by Amazon – Robotic Shelves.
a. Automated product search
b. Manufacturing of drones
c. AR app based factory floor view
d. None of the above

✅ Answer :- d
Explanation: Amazon uses robotic shelves for automated product picking and search.

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13. Which is incorrect about Maersk – Intelligent Shipping?
a. Container shipping company
b. Uses IoT for refrigerated containers
c. Does not use blockchain technology
d. Tracks assets and fuel using sensors

✅ Answer :- c
Explanation: Maersk does use blockchain to optimize supply chain logistics.

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14. Applications of IoT in Livestock Barns?
a. Soil moisture optimization
b. Monitoring health parameters of animals
c. Drone mining monitoring
d. None of the above

✅ Answer :- b
Explanation: In barns, IoT is used for animal health monitoring.

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15. In Agricultural IoT, what does LAI mean?
a. Leaf Area Index
b. Layout Area Increment
c. Low Anchor Installation
d. None of the above

✅ Answer :- a
Explanation: Leaf Area Index (LAI) measures leaf coverage — important in precision agriculture.