Which component can store configuration and firmware on a device?
Correct Answer: D. Memory
Practice Library
All MCQs
Browse exam-wise, subject-wise, and country-wise MCQs with explanations.
Which is the main reason actuators are included in IoT systems?
Correct Answer: C. To allow the system to change physical conditions
Which architecture element supports user dashboards?
Correct Answer: B. Application or presentation service
Which statement is true about IoT architecture?
Correct Answer: A. It must support communication between constrained devices and applications
Which is an important factor in IoT node placement?
Correct Answer: D. Coverage, connectivity, and power availability
Which is the main role of a sensor interface?
Correct Answer: C. Connect sensors to the processing unit
Which of these is a common IoT processor platform type?
Correct Answer: B. Microcontroller-based board
Which is a benefit of data aggregation in WSN/IoT?
Correct Answer: A. Reduced communication overhead and energy consumption
Which term describes sensor data summarized before transmission?
Correct Answer: D. Aggregation
Which statement best describes an IoT ecosystem?
Correct Answer: C. A set of devices, networks, platforms, data, and applications working together
Which architecture concern involves protecting data and devices?
Correct Answer: B. Security
Which layer can manage reliability and end-to-end communication?
Correct Answer: A. Transport layer