IoT Quiz all chapter practice set 04th October 2026 Share On Que: (1). Which of the following best defines the Internet of Things (IoT)? A system used only for storing data in cloud servers C. A network used only for connecting computers to the Internet B. A network of physical objects embedded with sensors, software and connectivity to exchange data A. More than one of the above D. None of the above E. Check Answer Open question page Que: (2). Which characteristic of IoT allows connected devices to automatically exchange data without continuous human intervention? Automation A. Isolation B. Manual processing C. More than one of the above D. None of the above E. Check Answer Open question page Que: (3). Which of the following is NOT generally considered a characteristic of IoT? Connectivity A. Sensing B. Automation C. More than one of the above D. None of the above E. Check Answer Open question page Que: (4). Which component of an IoT system is primarily responsible for detecting physical conditions such as temperature, pressure or humidity? Database C. Actuator B. Sensor A. More than one of the above D. None of the above E. Check Answer Open question page Que: (5). Which component of an IoT system converts a control signal into a physical action? Gateway C. Sensor A. Actuator B. More than one of the above D. None of the above E. Check Answer Open question page Que: (6). Which IoT architecture layer is primarily responsible for collecting data from the physical environment? Application layer C. Network layer B. Perception layer A. More than one of the above D. None of the above E. Check Answer Open question page Que: (7). Which layer of IoT architecture is mainly responsible for transmitting collected data between devices and processing systems? Perception layer A. Network layer B. Application layer C. More than one of the above D. None of the above E. Check Answer Open question page Que: (8). Which layer of a three-layer IoT architecture provides services directly to end users? Application layer C. Perception layer A. Network layer B. More than one of the above D. None of the above E. Check Answer Open question page Que: (9). Which of the following best describes a sensor in an IoT system? A device that only displays data to the user B. A device that detects physical conditions and converts them into measurable data A. A device that provides electrical power to all IoT devices C. More than one of the above D. None of the above E. Check Answer Open question page Que: (10). Which type of sensor is commonly used to measure temperature in an IoT system? Temperature sensor A. Proximity sensor C. Ultrasonic sensor B. More than one of the above D. None of the above E. Check Answer Open question page Que: (11). Which of the following best defines an actuator in an IoT system? A device used only for storing sensor data C. A device that converts a control signal into a physical action A. A device used only to sense temperature B. More than one of the above D. None of the above E. Check Answer Open question page Que: (12). Which of the following is an example of an actuator used in an IoT-based system? Electric motor A. Temperature sensor B. Light sensor C. More than one of the above D. None of the above E. Check Answer Open question page Que: (13). Which of the following best describes an IoT communication protocol? A set of rules that enables IoT devices to communicate and exchange data A. A programming language used exclusively for IoT applications C. A hardware component used only for sensing temperature B. More than one of the above D. None of the above E. Check Answer Open question page Que: (14). Which IoT protocol is specifically designed as a lightweight publish-subscribe messaging protocol? FTP C. MQTT A. HTTP B. More than one of the above D. None of the above E. Check Answer Open question page Que: (15). Which IoT communication protocol is designed for constrained devices and commonly follows a request-response model? FTP C. SMTP B. CoAP A. More than one of the above D. None of the above E. Check Answer Open question page Que: (16). Which wireless communication technology is commonly used for short-range communication between IoT devices? Optical fiber C. Satellite communication B. Bluetooth A. More than one of the above D. None of the above E. Check Answer Open question page Que: (17). Which of the following best defines cloud computing in an IoT environment? Providing computing, storage and processing resources through remote network-based servers A. Processing all IoT data only inside the sensor B. A communication method used only between nearby sensors C. More than one of the above D. None of the above E. Check Answer Open question page Que: (18). Which of the following best defines edge computing in IoT? Processing data close to the source where it is generated A. Sending all data to a distant cloud server before any processing B. Storing data only on removable storage devices C. More than one of the above D. None of the above E. Check Answer Open question page Que: (19). Which of the following best describes fog computing in an IoT system? A physical sensor used to detect environmental conditions C. A distributed computing layer between IoT devices and the cloud A. A system in which all processing occurs only in the central cloud B. More than one of the above D. None of the above E. Check Answer Open question page Que: (20). Which computing approach is generally preferred when an IoT application requires very low latency and real-time local processing? Cloud computing only B. Edge computing A. Offline batch processing C. More than one of the above D. None of the above E. Check Answer Open question page Que: (21). Which of the following best defines IoT security? Protection of IoT devices, networks and data from unauthorized access and attacks A. Only physical protection of IoT devices B. A technique used exclusively for increasing Internet speed C. More than one of the above D. None of the above E. Check Answer Open question page Que: (22). Which security mechanism is primarily used to verify the identity of an IoT device or user? Fragmentation C. Compression B. Authentication A. More than one of the above D. None of the above E. Check Answer Open question page Que: (23). Which technique is commonly used to protect IoT data from being read by unauthorized parties during transmission? Defragmentation B. Encryption A. Data compression only C. More than one of the above D. None of the above E. Check Answer Open question page Que: (24). Which of the following best describes privacy in an IoT system? Deleting all sensor data immediately after collection C. Allowing every connected device to access all collected information B. Protection and proper handling of personal or sensitive information collected by IoT devices A. More than one of the above D. None of the above E. Check Answer Open question page Que: (25). Which of the following is a common security challenge in IoT systems? Weak device authentication A. Complete absence of network connectivity C. Unlimited processing and memory resources in every IoT device B. More than one of the above D. None of the above E. Check Answer Open question page Que: (26). Which of the following best defines an embedded system? A computer used only for accessing the Internet C. A computer system designed to perform a specific function as part of a larger system A. A general-purpose computer designed to perform any type of task B. More than one of the above D. None of the above E. Check Answer Open question page Que: (27). Which of the following is commonly used as a platform for developing IoT applications? Arduino A. Adobe Photoshop C. Microsoft Word B. More than one of the above D. None of the above E. Check Answer Open question page Que: (28). Which of the following is a characteristic feature of an IoT platform? It provides tools and services for connecting, managing and processing data from IoT devices A. It works only as a word-processing application B. It is used exclusively for designing websites C. More than one of the above D. None of the above E. Check Answer Open question page Que: (29). What does IIoT stand for? Industrial Internet of Things A. Integrated Internet of Technology B. Intelligent Internet of Terminals C. More than one of the above D. None of the above E. Check Answer Open question page Que: (30). Which of the following is a major objective of Industrial Internet of Things (IIoT)? Replacing every industrial machine with a personal computer B. Preventing communication between industrial devices C. Improving industrial efficiency through connected devices, monitoring and data analysis A. More than one of the above D. None of the above E. Check Answer Open question page Que: (31). Which of the following is an example of an IoT application? A printed paper document C. A traditional mechanical clock without connectivity B. Smart home system A. More than one of the above D. None of the above E. Check Answer Open question page Que: (32). How can Artificial Intelligence and Machine Learning be used in IoT systems? By analyzing IoT data to identify patterns and support prediction or automated decisions A. By preventing IoT devices from collecting data B. By replacing all sensors with software C. More than one of the above D. None of the above E. Check Answer Open question page Que: (33). Which of the following best describes predictive maintenance using IoT and AI? Repairing every machine only after it has completely failed B. Performing maintenance at random intervals without using data C. Predicting equipment failure using sensor data before a failure occurs A. More than one of the above D. None of the above E. Check Answer Open question page Que: (34). Which of the following is a major challenge associated with IoT systems? Unlimited device resources B. Security and privacy A. Complete absence of communication requirements C. More than one of the above D. None of the above E. Check Answer Open question page Que: (35). Which challenge arises when IoT devices from different manufacturers use different technologies and cannot easily communicate with each other? Interoperability A. Authentication C. Encryption B. More than one of the above D. None of the above E. Check Answer Open question page
