IoT Quiz Chapter 1-3

Which of the following is an example of a "Thing" in the Internet of Things?

• A smartwatch

• A temperature sensor

• A smartphone

• All of the above

What role does a microcontroller play in an IoT system?

• It is used to store data.

• It processes data from sensors and controls actuators.

• It transmits data to the cloud.

• It powers the system.

Which of these is not an actuator?

• A light bulb

• A speaker

• A fan

• A temperature sensor

In the context of IoT, a connection can be:

• Wired

• Wireless

• Both A and B

• None of the above

What does HTTP stand for?

• Hyper Transfer Text Protocol

• Hyperlink Text Transfer Platform

• Hyper Text Transfer Protocol

• Hyper Transport Text Protocol

What does MQTT stand for?

• Message Queue Telemetry Transport

• Multi-Query Transmission Technology

• Message Query Transfer Tool

• Multi-Queue Telemetry Transport

Which of the following protocols is commonly used for IoT device communication?

• HTTP

• MQTT

• FTP

• DNS

A sensor is used in an IoT system to:

• Process data

• Control devices

• Measure physical parameters

• Power the microcontroller

The function of an actuator in an IoT system is to:

• Sense environmental changes

• Perform actions like moving or switching devices

• Transmit data to the cloud

• Process sensor inputs

Which of the following is an example of a connection technology used in IoT?

• Wi-Fi

• Bluetooth

• Zigbee

• All of the above