Introduction To Industry 4.0 And Industrial Internet Of Things Week 4 NPTEL Assignment Answers 2025

NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things Week 4 Assignment Answers 2024

1. What does Cybersecurity protect?

a. Only physical infrastructure
b. Only software
c. Hardware, software, and data
d. Only company policies

✅ Answer :- c
Explanation: Cybersecurity protects all digital assets including hardware, software, networks, and data from cyber threats.

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2. What is the focus of Network Security?

a. Only securing physical buildings
b. Protecting network architecture from unauthorized access and improper use
c. Protecting only the company CEO’s information
d. Solely focused on securing paper documents

✅ Answer :- b
Explanation: Network security ensures secure communication and access control within networked systems.

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3. What does the CIA Triad in Cybersecurity stand for?

a. Confidentiality, Integrity, Availability
b. Costing, Integrity, Assets
c. Company, Internet, Availability
d. Communication, Information, Assessment

✅ Answer :- b
Explanation: CIA Triad is the core model of cybersecurity ensuring data privacy (C), accuracy (I), and accessibility (A).

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4. What are the key differences between IIoT and traditional Automation?

a. No significant differences
b. Ubiquitous sensing, advanced analytics, IT tools, and methodologies
c. Only in terms of cost
d. Limited to the type of machinery used

✅ Answer :- d
Explanation: IIoT uses real-time data, cloud, analytics, and smart connectivity, unlike traditional automation.

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5. What are the benefits of deploying sensors and actuators in IIoT?

a. Limited to academic purposes
b. To sell more software
c. To control, enhance, and optimize various functions
d. To reduce operational efficiency

✅ Answer :- a
Explanation: Sensors and actuators enable real-time monitoring and control, improving productivity and safety.

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6. How does IIoT benefit the mining industry?

a. By relaxing safety standards
b. Increasing disaster risks
c. Early disaster warning
d. Ignoring carbon footprint metrics

✅ Answer :- c
Explanation: IIoT helps in predictive maintenance and disaster detection, improving safety in mining.

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7. What is the Third Wave in GE’s industrial level innovation?

a. The Industrial Intranet
b. The Digital Revolution
c. The Industrial Revolution
d. The Industrial Internet

✅ Answer :- a
Explanation: GE’s “Third Wave” refers to the Industrial Internet, combining intelligent machines with analytics.

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8. Scarcity of non-renewable sources of energy pose a significant challenge with respect to energy consumption for the future smart industries and industrial internet?

a. True
b. False

✅ Answer :- c
Explanation: Dependency on non-renewables poses a sustainability challenge for IIoT-powered smart industries.

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9. What was the negative effect of the Industrial Revolution?

a. Increased life expectancy
b. Environmental pollution
c. Rise in literacy
d. Technological advancement

✅ Answer :- a
Explanation: While it brought progress, the Industrial Revolution led to increased pollution and environmental harm.

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10. Which of the following is not one of the three key elements of the Industrial Internet?

a. Intelligent machines
b. Advanced analytics
c. People at work
d. Social Networking

✅ Answer :- a
Explanation: Social networking is not a core element of the Industrial Internet; the focus is on machines, data, and people.

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11. How is a smart sensor defined according to IEEE 1451 standard?

a. Sensor with large storage capacity
b. Sensor with standardized physical connection for communication
c. Sensor that operates independently
d. Sensor without the need for a power supply

✅ Answer :- b
Explanation: IEEE 1451 defines smart sensors as those that communicate using standardized protocols.

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12. What is the purpose of the MRAA library in Intel IIoT devices?

a. High-level gaming interface
b. Large data analysis
c. Cloud storage management
d. Low-level communication in GNU/Linux platform

✅ Answer :- d
Explanation: MRAA provides low-level hardware I/O access for embedded programming on Intel platforms.

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13. What is a key aspect of the design philosophy for IIoT in industrial processes?

a. Facilitating communication between heterogeneous objects
b. Prioritizing manual control over automated systems
c. Limiting data interoperability
d. Reducing smart object autonomy

✅ Answer :- c
Explanation: IIoT promotes interoperability between diverse systems, enabling smart communication.

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14. What is a feature of the Autonomous Pull Economy in Industrial Process 4.0?

a. High waste generation
b. Manual data processing
c. Limited resource optimization
d. End-to-end automation facility

✅ Answer :- a
Explanation: In Industry 4.0, processes are driven by automated demand sensing and fulfillment, minimizing human intervention.

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15. Considering the future architecture of the smart Industrial plant, which among the following layers is responsible for autonomous decision making, machine learning and decision support system?

a. Connection Layer
b. Conversion Layer
c. Cyber Layer
d. Cognition Layer

✅ Answer :- c
Explanation: The Cognition Layer enables AI-based decision-making and learning capabilities in smart industry systems.