Q.1 What does IIoT stand for?
Industrial Internet of Things
International Internet of Technology
Integrated IoT
Internal IoT
Explanation - IIoT stands for Industrial Internet of Things, which applies IoT technologies in industrial environments for automation, monitoring, and predictive maintenance.
Correct answer is: Industrial Internet of Things
Q.2 Which of the following is a key application of IIoT?
Social Media Networking
Predictive Maintenance
Online Shopping
Digital Marketing
Explanation - IIoT enables predictive maintenance by using sensors and data analytics to predict equipment failures before they occur.
Correct answer is: Predictive Maintenance
Q.3 Which protocol is widely used in IIoT for machine-to-machine communication?
HTTP
MQTT
SMTP
POP3
Explanation - MQTT (Message Queuing Telemetry Transport) is a lightweight protocol commonly used in IIoT for reliable and efficient machine-to-machine communication.
Correct answer is: MQTT
Q.4 Which layer in IIoT architecture is responsible for collecting data from sensors?
Application Layer
Perception Layer
Network Layer
Business Layer
Explanation - The perception layer in IIoT architecture is responsible for sensing and collecting data from sensors and actuators.
Correct answer is: Perception Layer
Q.5 What is the main benefit of IIoT in manufacturing?
Increased Social Engagement
Higher Product Prices
Enhanced Operational Efficiency
Reduced Internet Usage
Explanation - IIoT helps manufacturing industries improve efficiency, reduce downtime, and optimize processes using real-time data and automation.
Correct answer is: Enhanced Operational Efficiency
Q.6 Which of the following is an example of an IIoT-enabled device?
Smart Speaker
Industrial Robot
Gaming Console
Smartphone
Explanation - Industrial robots equipped with IoT sensors are IIoT-enabled devices that improve automation and production quality.
Correct answer is: Industrial Robot
Q.7 Which technology is often integrated with IIoT for real-time decision-making?
Blockchain
Cloud Computing
Virtual Reality
Social Media
Explanation - Cloud computing provides storage, processing power, and analytics, making it an essential component of IIoT systems.
Correct answer is: Cloud Computing
Q.8 Which of the following industries benefits the most from IIoT?
Manufacturing
Fashion
Education
Tourism
Explanation - Manufacturing is one of the primary sectors benefiting from IIoT through automation, monitoring, and predictive analytics.
Correct answer is: Manufacturing
Q.9 Which of the following best describes edge computing in IIoT?
Computing at centralized cloud servers
Processing data closer to the source
Using smartphones for industrial tasks
Storing data offline only
Explanation - Edge computing in IIoT refers to processing data closer to the data source, reducing latency and improving real-time performance.
Correct answer is: Processing data closer to the source
Q.10 What does predictive maintenance aim to achieve in IIoT?
Random Equipment Shutdown
Unnecessary Repairs
Failure Prevention
Manual Monitoring
Explanation - Predictive maintenance in IIoT aims to prevent equipment failures by analyzing sensor data and predicting issues in advance.
Correct answer is: Failure Prevention
Q.11 Which of the following is a challenge in IIoT implementation?
Strong Security
Data Privacy Concerns
High Energy Efficiency
Low Latency
Explanation - Data privacy and security are major challenges in IIoT due to massive amounts of sensitive industrial data being generated.
Correct answer is: Data Privacy Concerns
Q.12 Which wireless communication technology is commonly used in IIoT for low-power devices?
Wi-Fi
Bluetooth Low Energy (BLE)
4G LTE
Ethernet
Explanation - BLE is suitable for IIoT applications requiring low-power wireless communication between devices and sensors.
Correct answer is: Bluetooth Low Energy (BLE)
Q.13 Which of the following terms refers to analyzing IIoT data for insights?
Data Visualization
Data Mining
Data Cleaning
Data Fragmentation
Explanation - Data mining refers to analyzing IIoT data to extract patterns and insights useful for decision-making.
Correct answer is: Data Mining
Q.14 Which standard is widely used in IIoT for interoperability?
OPC UA
SMTP
FTP
DNS
Explanation - OPC UA (Open Platform Communications Unified Architecture) is a standard for secure and interoperable data exchange in IIoT.
Correct answer is: OPC UA
Q.15 In IIoT, digital twins are used to:
Replicate physical assets virtually
Track online users
Store documents digitally
Secure email systems
Explanation - Digital twins in IIoT are virtual replicas of physical assets that help monitor, simulate, and optimize performance.
Correct answer is: Replicate physical assets virtually
Q.16 Which of the following is NOT a benefit of IIoT?
Reduced Downtime
Better Decision-Making
Increased Efficiency
Slower Production
Explanation - IIoT improves efficiency and reduces downtime, but it does not cause slower production.
Correct answer is: Slower Production
Q.17 Which of the following is critical for IIoT cybersecurity?
Weak Passwords
Intrusion Detection Systems
Unencrypted Data Transfer
Outdated Firmware
Explanation - Intrusion detection systems are vital for protecting IIoT devices and networks from cyber threats.
Correct answer is: Intrusion Detection Systems
Q.18 Which cloud model is often used in IIoT deployments?
Public Cloud
Hybrid Cloud
Private Cloud
All of the above
Explanation - IIoT can use public, private, or hybrid cloud models depending on the organization's requirements for security and scalability.
Correct answer is: All of the above
Q.19 Which of the following is an example of IIoT in energy management?
Smart Grid
E-commerce Website
Social Media Platform
Video Streaming
Explanation - A smart grid is an IIoT application that improves energy management using sensors, analytics, and automation.
Correct answer is: Smart Grid
Q.20 In IIoT, what role do actuators play?
Storing Data
Sensing Environment
Taking Actions
Processing Data
Explanation - Actuators in IIoT receive signals from controllers to perform physical actions such as opening valves or moving machines.
Correct answer is: Taking Actions
Q.21 Which network type is commonly used for IIoT factory automation?
PAN
LAN
WAN
MAN
Explanation - Local Area Networks (LANs) are commonly used in IIoT factory automation for fast and reliable communication.
Correct answer is: LAN
Q.22 Which is a major concern when connecting legacy machines to IIoT?
Increased Machine Lifespan
Security Vulnerabilities
Better Analytics
Higher Speed
Explanation - Legacy machines often lack modern security features, leading to vulnerabilities when connected to IIoT systems.
Correct answer is: Security Vulnerabilities
Q.23 Which of the following technologies is closely linked with IIoT for automation?
Artificial Intelligence
Word Processing
Email Systems
Gaming Engines
Explanation - AI enhances IIoT automation by enabling machines to learn from data and make decisions autonomously.
Correct answer is: Artificial Intelligence
Q.24 What is a common sensor used in IIoT for monitoring vibrations in machines?
Temperature Sensor
Accelerometer
Pressure Sensor
Light Sensor
Explanation - Accelerometers are widely used in IIoT to monitor vibrations in machines and detect anomalies.
Correct answer is: Accelerometer
Q.25 Which communication standard is suitable for long-range IIoT applications?
LoRaWAN
Bluetooth
NFC
Zigbee
Explanation - LoRaWAN is a low-power, long-range communication standard ideal for IIoT applications like remote monitoring.
Correct answer is: LoRaWAN