NPTEL Introduction to Industry 4.0 and Industrial Internet of Things Week 4 Assignment Answers 2024 (July-October)

Assignment 4 - Solutions for NPTEL Introduction to Industry 4.0 and Industrial Internet of Things

This document contains the answers and explanations for Week 4 Assignment of the NPTEL course "Introduction to Industry 4.0 and Industrial Internet of Things." The assignment covers various topics related to cybersecurity, the Industrial Internet of Things (IIoT), and the evolution of industrial technology. Each question is answered with a clear rationale to support the chosen answer.

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1. What role does Application Security play in Cybersecurity for Industry 4.0?

• Answer: (b) Ensures the protection of applications from outer threats
  Reason: Application security is crucial in Industry 4.0 to protect applications from external threats like unauthorized access, data breaches, and other malicious activities.

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2. What is Operational Security (OPSEC)?

• Answer: (b) An analytical action that categorizes information benefits and regulates control for protection
  Reason: OPSEC is a process that involves identifying and protecting critical information that could be used by adversaries to harm an organization.

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3. What is Ransomware?

• Answer: (c) A type of malware that provides a facility to the attacker to lock user’s computer files by using encryption and demands some money to unlock them
  Reason: Ransomware encrypts the user's files and demands a ransom for the decryption key, making it a significant cybersecurity threat.

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4. What is the primary aim of the Industrial Internet of Things (IIoT)?

• Answer: (a) Increase machine life and optimize operational efficiency
  Reason: The main goal of IIoT is to enhance the lifespan of industrial machines and optimize their performance through real-time data and analytics.

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5. What is a major challenge in the deployment of IIoT?

• Answer: (d) All of the above
  Reason: The deployment of IIoT faces multiple challenges including legacy installations, cybersecurity concerns, and lack of standardization.

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6. What does IIoT provide in the context of firefighting?

• Answer: (b) Real-time monitoring and early warning of disasters
  Reason: IIoT enables real-time monitoring systems that can detect and provide early warnings of fire hazards, improving response times and safety.

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7. What are the three waves of industrial level innovation according to GE?

• Answer: (b) The Industrial Revolution, The Internet Revolution, The Industrial Internet
  Reason: According to GE, the three waves of industrial innovation are characterized by the Industrial Revolution, the advent of the Internet, and the rise of the Industrial Internet.

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8. What are the three key elements of the Industrial Internet?

• Answer: (b) Advanced analytics, intelligent machines, people at work
  Reason: The Industrial Internet is built on the integration of advanced analytics, smart machines, and human collaboration to enhance industrial operations.

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9. What is a major drawback of the Industrial Revolution?

• Answer: (c) It increased the use of fossil fuels
  Reason: One significant drawback of the Industrial Revolution was its reliance on fossil fuels, leading to environmental degradation.

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10. What is the primary source of IIoT data?

• Answer: (c) Sensors
  Reason: Sensors are the primary source of data in IIoT systems, collecting real-time information from various industrial processes.

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11. Which component is NOT part of the configurations involved in smart sensors?

• Answer: (d) Manual Control Unit
  Reason: Smart sensors generally include components like sensing units, signal conditioning circuits, and detection circuits but do not typically involve manual control units.

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12. What is the role of conventional sensing in industrial control systems?

• Answer: (b) To involve feedback automation at a process
  Reason: Conventional sensors are crucial for feedback loops in industrial control systems, enabling automated adjustments to maintain desired process conditions.

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13. Which sector is predicted to have the highest growth in Industry 4.0 as per PwC’s Global Industry 4.0 Survey of 2016?

• Answer: (b) Manufacturing
  Reason: The manufacturing sector is expected to experience significant growth due to the adoption of Industry 4.0 technologies, which enhance production efficiency and innovation.

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14. What is the focus of the “Control Layer” in the 5C Architecture for Cyber Physical Systems?

• Answer: (c) Supervised control: Self-configure, Self-optimize, Self-adjust
  Reason: The Control Layer in the 5C architecture focuses on enabling systems to autonomously configure, optimize, and adjust themselves in real-time.

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15. In the existing GSM cellular phones, a smart card is used to provide security to e-commerce applications, using encryption and digital signatures. What is it called?

• Answer: (b) Trusted Platform Module (TPM)
  Reason: TPM is a specialized chip on an endpoint device that provides hardware-based security functions, including encryption and digital signatures for secure e-commerce.

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These solutions offer a comprehensive understanding of the concepts covered in Week 4 of the course.