DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
P24PC202 – INDUSTRIAL INTERNET OF THINGS
TWO MARKS
YEAR/ SEMESTER: I/ II ACADEMIC YEAR: 2024-2025
UNIT-II INDUSTRIAL IoT
1. What is Industrial IoT (IIoT)?
Answer: Industrial IoT (IIoT) refers to the application of IoT technologies in industrial
sectors such as manufacturing, energy, and transportation. It involves connecting machines,
devices, and systems to gather data and improve operational efficiency.
2. How does IIoT differ from regular IoT?
Answer: IIoT focuses on industrial environments and aims to optimize industrial processes,
while regular IoT is more general, dealing with everyday devices and applications like smart
homes and consumer electronics.
3. What are the main components of an IIoT system?
Answer: The main components of an IIoT system include sensors, devices, communication
networks, data storage and processing systems, and user applications.
4. What role do sensors play in IIoT?
Answer: Sensors in IIoT collect real-time data from machines and equipment, such as
temperature, vibration, and pressure, which is crucial for monitoring and optimizing
industrial operations.
5. What is the importance of real-time data in IIoT?
Answer: Real-time data in IIoT allows for immediate monitoring, fault detection, and
decision-making, helping prevent downtime, improve maintenance, and optimize
performance.
6. What is predictive maintenance in IIoT?
Answer: Predictive maintenance in IIoT uses data from machines and equipment to predict
potential failures and maintenance needs, allowing for proactive repairs and reducing
unplanned downtime.
7. How does IIoT improve operational efficiency?
Answer: IIoT improves operational efficiency by automating processes, providing real-time
insights, optimizing resource allocation, and reducing downtime, ultimately increasing
productivity.
8. What is the role of edge computing in IIoT?
Answer: Edge computing in IIoT enables data processing closer to the source of data
generation (i.e., on-site at machines), reducing latency and bandwidth usage, while allowing
for faster decision-making.
9. What is the significance of cloud computing in IIoT?
Answer: Cloud computing in IIoT provides centralized storage and computational power for
processing vast amounts of data, facilitating advanced analytics, and supporting scalability.
10. What is machine-to-machine (M2M) communication in IIoT?
Answer: M2M communication in IIoT refers to the exchange of data directly between
industrial machines or devices without human intervention, enabling automation and real-
time control.
11. What is the role of connectivity in IIoT?
Answer: Connectivity in IIoT ensures that devices, machines, and systems can exchange data
seamlessly using various communication protocols, such as Wi-Fi, Bluetooth, Zigbee, or
cellular networks.
12. How do IIoT systems improve supply chain management?
Answer: IIoT systems enhance supply chain management by providing real-time tracking,
optimizing inventory levels, improving demand forecasting, and enabling more efficient
logistics and transportation.
13. What is the importance of security in IIoT?
Answer: Security in IIoT is critical to protect sensitive data, ensure the safety of industrial
systems, and prevent cyberattacks that could disrupt operations or compromise equipment.
14. What is the concept of digital twins in IIoT?
Answer: A digital twin is a virtual replica of a physical object or system in IIoT. It enables
real-time monitoring, simulation, and analysis to optimize performance and predict outcomes.
15. How does IIoT contribute to energy efficiency?
Answer: IIoT helps improve energy efficiency by monitoring energy usage in real-time,
identifying inefficiencies, and enabling predictive maintenance and optimized operations to
reduce energy consumption.
16. What is the role of big data analytics in IIoT?
Answer: Big data analytics in IIoT processes large volumes of data from industrial devices,
enabling businesses to extract valuable insights, detect patterns, and make data-driven
decisions.
17. What are some common industries that benefit from IIoT?
Answer: Industries that benefit from IIoT include manufacturing, energy, agriculture,
transportation, mining, and logistics, where efficiency, safety, and real-time decision-making
are critical.
18. How does IIoT contribute to safety in industrial environments?
Answer: IIoT enhances safety by enabling continuous monitoring of equipment and
environmental conditions, providing early warnings for potential hazards, and automating
safety protocols.
19. What are the challenges in implementing IIoT?
Answer: Challenges in IIoT implementation include interoperability issues, security
concerns, high initial investment, integration with legacy systems, and managing large
volumes of data.
20. What are IIoT protocols and standards?
Answer: IIoT protocols and standards ensure compatibility and communication between
devices. Common protocols include MQTT, OPC-UA, Modbus, and CoAP, which help
standardize communication across industrial systems.
