Introduction To Industry 4.0 And Industrial Internet Of Things Week 5 NPTEL Assignment Answers 2025

NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things Week 5 Assignment Answers 2024

1. What is a key technology driver in Amazon’s Smart Warehousing?

a. Warehouse Automation
b. Drone Delivery
c. Cryptocurrency Payments
d. 3D Printing

✅ Answer :- a
Explanation: Amazon uses warehouse automation (robots, AI, and conveyors) to improve speed and efficiency.

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2. Which of the following is not covered under the domain of Industry 4.0?

a. Intelligent manufacturing
b. Smart warehousing
c. Smart logistics
d. Rapid deforestation

✅ Answer :- d
Explanation: Deforestation is an environmental concern, not part of Industry 4.0 technologies.

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3. Which of the following IIoT platforms is used by Hitachi?

a. UnifyTwin
b. Lumada
c. Insights Hub
d. RootCloud

✅ Answer :- b
Explanation: Lumada is Hitachi’s IIoT platform for smart manufacturing and data analytics.

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4. Which of the following is not a type of business model for IoT?

a. Subscription Model
b. Outcome-Based Model
c. Asset-Sharing Model
d. Loss-Sharing Model

✅ Answer :- d
Explanation: Loss-sharing is not a recognized IoT business model; others are standard.

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5. Which is an advantage of the Subscription Model in IoT?

a. Predictable recurring revenue
b. High initial costs
c. Limited customer interaction
d. Single revenue stream

✅ Answer :- a
Explanation: The subscription model provides stable monthly or yearly income streams.

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6. Which is a critical challenge of the IoT-as-a-Service model?

a. Limited product applicability
b. Over-dependence on manual processes
c. Security of data
d. Reduced licensing costs

✅ Answer :- c
Explanation: Data security is a major concern in cloud-based IoT services.

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7. Which of the following is NOT offered by a Service-Oriented IIoT Business Model?

a. CapEx-focused investment strategies
b. Aggregation and analysis of data
c. On-demand services backed by cloud-based Business Models
d. Self-service interface

✅ Answer :- a
Explanation: This model focuses on OpEx (operating expenses), not CapEx (capital expenses).

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8. Process Oriented Business Model is a ____________ business model?

a. Static
b. Actuating
c. Hybrid
d. Defunct

✅ Answer :- c
Explanation: It combines multiple business strategies, so it’s called hybrid.

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9. What is IIRA?

a. A standard architecture for IIoT Systems
b. A scheme for corporate tax rebate
c. A package for installing IIoT Software
d. An internship program for IoT enthusiasts

✅ Answer :- a
Explanation: IIRA stands for Industrial Internet Reference Architecture, standardizing IIoT systems.

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10. Which of the following statements is incorrect about IIRA?

a. Safety is not a concern in the IIRA infrastructure
b. The IIRA infrastructure allows interoperability
c. The IIRA infrastructure is proposed by the IIC Technology Working Group
d. The IIRA infrastructure maps application technologies

✅ Answer :- a
Explanation: Safety is a major concern and focus in the IIRA framework.

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11. Which of the following is not a component of the three-tier architecture pattern of IIRA?

a. Edge layer
b. Fog layer
c. Platform layer
d. Enterprise layer

✅ Answer :- b
Explanation: IIRA defines Edge, Platform, and Enterprise, but not Fog layer as a primary tier.

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12. What are the IIRA Viewpoints?

a. Mining, Smelting, Forging and Casting
b. User, Demand, Production and Supply
c. Analysis, Management, Manipulation and Modification
d. Business, Usage, Functional and Implementation

✅ Answer :- d
Explanation: These four viewpoints define key perspectives for building IIoT systems.

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13. The elements of an activity in IIRA are ___________.

a. Controls, Events, Feedback, and Termination
b. Cause and Effect
c. Trigger, Workflow, Effect, and Constraints
d. Planning, Projection, Execution, and Feedback

✅ Answer :- c
Explanation: Activities in IIRA are structured around Trigger, Workflow, Effect, and Constraints.

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14. In the Business Viewpoint of IIRA, what are fundamental capabilities?

a. High-level specifications essential for business tasks
b. Detailed technical standards
c. Financial goals
d. Marketing strategies

✅ Answer :- a
Explanation: They describe core business functions that IIoT solutions must support.

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15. With respect to the IIRA functional domain, industrial actuation falls under which of the following domains?

a. Operations Domain
b. Business Domain
c. Control Domain
d. Application Domain

✅ Answer :- c
Explanation: Industrial actuation is about controlling machinery and processes — a part of the Control Domain.