CPIoT Week 5 Quiz - Node-RED & SenseHAT

Node-RED is built on top of

• C.

• Python.

• Node.js.

• Raspbian.

The container that is used to house your list of nodes in the Node-RED environment is called

• Palette.

• Header.

• Sidebar.

• Workspace.

Which one of the following nodes allows Javascript to be written and ran against each message that gets through the node itself?

• Inject.

• Debug.

• Function.

• Comment.

Which one of the following is not an option available when accessing the node edit dialog?

• Deploy.

• Properties.

• Description.

• Appearance.

Which one of the following causes the editor to export the entire flow configurations into JSON format and sends it to the runtime?

• Inject.

• Deploy.

• Payload.

• Function.

The standard way of representing Javascript objects as a string is called

• Context.

• Message sequences.

• Javascript Object Notation.

• Object oriented programming.

Which one of the following is not a terminal command used to work with Node-RED?

• node-red-stop.

• node-red-start.

• node-red-menu.

• node-red-restart.

A programmer has just created a Node-RED flow on his laptop and is considering to reuse it for a different project that is to be done on the same laptop. Which one of the following options would be the most effective in terms of storing the flow for his purpose?

• Copy and paste.

• Export and import to a clipboard.

• Save to and Retrieve from the local library.

• Save to and Retrieve from the online Node-RED library.

Which one of the following is required to install additional nodes that are used for building a dashboard on Node-RED?

• npm.

• gpio.

• random.

• sensehat.

Which one of the following URLs allows one to access the Node-RED dashboard via a Raspberry Pi web browser?

• local:1880

• host:1880/ui

• localhost:1880

• hostname:1880