Select the most appropriate type of sensor for detecting the presence of a vehicle in a smart parking system.

In a smart traffic system, how would an IoT device determine traffic density?

Which of the following factors should be considered when analyzing cloud platforms for IoT management?

Interpret the function of the middleware layer in an IoT system where multiple devices using different protocols are expected to communicate seamlessly.

The IoT parking system experiences issues during heavy rain _______ aspect requires enhancement.

A smart city’s IoT infrastructure is struggling to support an increasing number of connected devices and services. Which of the following is the most likely cause of this scalability issue?

Provide a suitable reason for selecting MQTT preferred over HTTP in implementing resource-constrained IoT systems.

Identify the CoAP message handling approach that allows a server to include a response within the acknowledgment message itself, reducing the number of packets exchanged.

Choose the layer that would typically house data analytics algorithms in a health-monitoring IoT system.