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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.