Internet of Things — MCQ Practice

In an automated tank system, which component is the actuator?

A calibrated reference shows that an IoT sensor consistently reads two units too high. What follows if its reporting frequency is doubled without correction?

A device performs time-sensitive analysis near the sensor instead of sending each raw reading to a distant service. Which architectural choice is described?

Which device capability in NISTIR 8259A most directly supports restricting access to exposed device services?

A municipal IoT project reports the number of sensors installed. Which additional measure best tests whether it improved fault-response service?