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Questions and Answers
What is MQTT?
What is MQTT?
- A type of wireless communication technology
- A messaging protocol for low bandwidth devices and environments (correct)
- A high-level programming language
- A messaging protocol for high bandwidth devices and environments
What is needed to deploy an MQTT server with Node-RED on Raspberry Pi?
What is needed to deploy an MQTT server with Node-RED on Raspberry Pi?
- MQTT-enabled smart home devices
- An MQTT client
- The 32-bit Lite version of Raspberry Pi OS
- The 64-bit Lite version of Raspberry Pi OS (correct)
How can you connect to your Raspberry Pi over SSH?
How can you connect to your Raspberry Pi over SSH?
- Using an HDMI cable
- Using a Bluetooth connection
- Using PuTTY on Windows or Terminal on macOS and Linux (correct)
- Using a USB cable
What is Node-RED used for?
What is Node-RED used for?
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How can you check if the MQTT broker is working or not?
How can you check if the MQTT broker is working or not?
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What can you use the payload for in Node-RED?
What can you use the payload for in Node-RED?
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What can you build using MAX7219 dot matrix and connect to your MQTT server?
What can you build using MAX7219 dot matrix and connect to your MQTT server?
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