IoT MCQs (150)

What is the primary goal of IoT?

• To enhance global internet speed

• To network physical devices

• To increase smartphone usage

• To improve social media platforms

Which of the following is a common application of IoT technology?

• Automated email systems

• Voice-activated shopping

• Smart homes

• Text messaging

IoT devices typically communicate through which of the following methods?

• Human intervention

• Direct cable connections

• Internet protocols

• Sound waves

What role do sensors play in IoT devices?

• Providing a user interface

• Storing data

• Converting physical parameters into digital data

• Encrypting data

In the context of IoT, what is 'edge computing'?

• Computing done on a central server

• Computing done on the edge of the network

• Computing done in the cloud

• Computing done on smartphones

Which protocol is commonly used for secure IoT device communication?

• HTTP

• MQTT

• FTP

• HTTPS

How does IoT contribute to big data?

• By reducing the amount of data generated

• By generating high-volume, high-velocity data

• By encrypting data

• By decreasing data storage needs

Which statement is true about the publish/subscribe model in IoT communication?

• It requires devices to communicate directly with each other

• It is not scalable

• It is primarily used for one-to-one communication

• It allows devices to send and receive messages based on topics

What is the function of a Gateway in IoT networks?

• To increase the range of Wi-Fi signals

• To convert between different communication protocols

• To store data from IoT devices

• To generate power for IoT devices

An IoT sensor is not transmitting data to the server. What is a common reason for this issue?

• The sensor is out of power

• The sensor is overheating

• The server is offline

• The sensor's configuration settings are incorrect