Internet of Things (IoT) MCQ Questions And Answer | Computer Science Engineering

The Internet of Things (IoT) is a transformative network of physical devices—sensors, software, and appliances—that connect and exchange data over the internet. By bridging the gap between the digital and physical worlds, IoT enables smart automation in daily life and Industry 4.0. Understanding its architecture, protocols (MQTT/CoAP), and security is essential for modern technical exams. This technology empowers “smart” ecosystems, making systems more efficient, responsive, and data-driven for a connected future.