Internet of Things and MQTT Protocol Quiz

What does Wi-Fi provide a wireless means of connecting to?

• Refrigerators

• Computers

• Washing machines

• Cars

What is MQTT?

• A messaging protocol

• A type of bird

• A cooking recipe

• A dance move

What concept does MQTT use for messaging?

• Topics

• Phrases

• Hashtags

• Keywords

What is a Broker in MQTT?

• A person who deals with messages

• A subscribers to a topic

• A server that receives and routes messages
• A Publisher to a topic

What does MQTT Broker do with the message from the Publisher?

• Sends it to a top subscriber

• Sends it to the Publisher

• Sends it to all subscribers

• Keeps it for itself

What do Subscribers need to do first in MQTT?

• Send a message to the Publisher

• Subscribe to a Publisher

• Subscribe to the topic through Broker

• Subscribe to a Broker

What does MQTT use to send a new message to all subscribers of a topic?

• Whatsapp

• Broker

• Speech

• Email

Where can you open Project#3 to try the MQTT protocol?

• Edupage

• Bing

• Google

• Yahoo

What is the main purpose of MQTT?

• Real-time communication

• Data storage

• Video streaming

• Audio recording

Where can you find MQTT protocol being used?

• Smartphones

• Smartwatches

• Smart homes

• Smart TVs