IOT Quiz

A __________ is used to collect data from the environment in an IoT system.

What makes a regular device an IoT device?

• It has a screen

• It’s connected to electricity

• It can sense, process, and communicate

• It plays music

Which layer in IoT architecture is responsible for data collection?

• Perception Layer

• Network Layer

• Application Layer

• Security Layer

In an IoT system, a device that only receives data but does not collect or act on it is usually called a __________.

Which device is typically used to control IoT sensors?

• CPU

• Microcontroller

• Keyboard

• Monitor

What communication protocol is commonly used in IoT devices?

• SMTP

• MQTT

• HTTP only

• HTML

Which combination is closest to an IoT system?

• Fan + Switch

• Radio + Battery

• Mobile + Charger

• Sensor + Microcontroller + Internet

IoT stands for __________

Which of the following is not always needed in an IoT system?

• Sensor

• Internet

• Actuator

• Microcontroller

Which of the following devices can be part of an IoT system?

• Microwave

• Light Bulb

• Refrigerator

• All of the above