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 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. A system used only for storing data in cloud servers C. 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? Sensing B. Automation C. Connectivity A. 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? Sensor A. Actuator B. Database C. 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? Actuator B. Sensor A. Gateway C. 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? Network layer B. Application layer C. 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? Network layer B. Application layer C. Perception layer A. 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 provides electrical power to all IoT devices C. A device that only displays data to the user B. A device that detects physical conditions and converts them into measurable data A. 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? Proximity sensor C. Ultrasonic sensor B. Temperature sensor A. 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 to sense temperature B. A device that converts a control signal into a physical action A. A device used only for storing sensor data C. 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. Light sensor C. Temperature sensor B. 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 programming language used exclusively for IoT applications C. A set of rules that enables IoT devices to communicate and exchange data A. 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? MQTT A. HTTP B. FTP C. 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? Satellite communication B. Optical fiber C. 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? Processing all IoT data only inside the sensor B. A communication method used only between nearby sensors C. Providing computing, storage and processing resources through remote network-based servers A. 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. Storing data only on removable storage devices C. Sending all data to a distant cloud server before any processing B. 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 distributed computing layer between IoT devices and the cloud A. A system in which all processing occurs only in the central cloud B. A physical sensor used to detect environmental conditions C. 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? Edge computing A. Cloud computing only B. 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? Authentication A. Compression B. Fragmentation C. 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? Allowing every connected device to access all collected information B. Deleting all sensor data immediately after collection C. 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? Microsoft Word B. Arduino A. Adobe Photoshop C. 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 is used exclusively for designing websites C. It provides tools and services for connecting, managing and processing data from IoT devices A. It works only as a word-processing application B. More than one of the above D. None of the above E. Check Answer Open question page Que: (29). What does IIoT stand for? Intelligent Internet of Terminals C. Integrated Internet of Technology B. Industrial Internet of Things A. 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)? Preventing communication between industrial devices C. Improving industrial efficiency through connected devices, monitoring and data analysis A. Replacing every industrial machine with a personal computer B. 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? Smart home system A. A traditional mechanical clock without connectivity B. A printed paper document C. 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 preventing IoT devices from collecting data B. By analyzing IoT data to identify patterns and support prediction or automated decisions A. 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? Predicting equipment failure using sensor data before a failure occurs A. Repairing every machine only after it has completely failed B. Performing maintenance at random intervals without using data C. 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? Complete absence of communication requirements C. Security and privacy A. Unlimited device resources B. 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? Authentication C. Encryption B. Interoperability A. More than one of the above D. None of the above E. Check Answer Open question page
