Node-RED: Basics to Bots Quiz Answers

Get Node-RED: Basics to Bots Quiz Answers

Get hands-on experience and learn how to convert speech to text, analyze tone, translate text into different languages, send tweets through Twitter, add audio and video capabilities, and set up a chat bot using the IBM Watson Assistant (formerly Conversation) service and Facebook Messenger. And you don’t even need any programming experience!

Node-RED, which is built on Node.js, is a browser-based flow editor that makes it easy to wire together devices, APIs, and online services by simply dragging and dropping nodes on a palette. You then connect, or wire, the nodes to create flows that can be then deployed to the lightweight Node.js runtime with a single click.

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Lab 1: Create your first Node-RED flow

Question: You can run Node-RED on the IBM Cloud without installing it locally on your computer.

• True
• False

Question: You can connect services like Watson Assistant to a Node-RED instance running on IBM Cloud.

• True
• False

Question: The three main types of nodes are Input, Output, and Objects.

• True
• False

Question: You use the Debug tab in the flow editor to read the documentation for a node.

• True
• False

Question: An inject node is a type of input node.

• True
• False

Lab 2: Build a web page and create a REST API in Node-RED

Question: The HTTP In node can be used to create URLs for web pages and APIs.

• True
• False

Question: A function node can be used to process the output of a node before feeding it in input to another node.

• True
• False

Question: Node-RED offers a Template node.

• True
• False

Question: Template nodes can contain JavaScript code.

• True
• False

Question: language identify is a node made available by the Watson Language Translator service.

• True
• False

Lab 3: Translate text, analyze tone, add audio, and send tweets from your Node-RED application

Question: You can add more functionalities by leveraging nodes from both the Node-RED project and the wider community.

• True
• False

Question: microphone and speaker nodes are available through community libraries.

• True
• False

Question: The Node-RED community has created nodes for every possible need.

• True
• False

Question: For the language translator node to become available, you can use API keys to access the service or connect (bind) the service.

• True
• False

Question: We can use a function node to process the output of a node, preparing it for the expected input of a different node.

• True
• False

Lab 5: Build HTML web pages that use Git repositories that can reuse browser-side JavaScript

Question: You can pass a video file straight into the Speech to Text Service

• True
• False

Question: The HTTP input node is limited to GET requests.

• True
• False

Question: There are three HTTP core nodes, http (input), http responde (output), and http request (function).

• True
• False

Question: The http input node is used to send HTTP requests.

• True
• False

Question: The http request node is used to send HTTP requests.

• True
• False

Final exam

Question: What do you use the inject node for?

• Inject a file
• Initiate a flow
• Define an HTTP route
• As a camera

Question: The Watson Language Identify node expects its input text to be provided in what object?

• msg.lang
• msg.languages
• msg.payload
• msg.input

Question: For Node-RED on IBM Cloud, how do you install additional nodes?

• Add new dependencies in package.json
• Add new dependencies in manifest.yml
• Add new dependencies in settings.js
• Add new dependencies in red.js

Question: What can you use function nodes for?

• Define HTML templates
• Create virtual wires between flows
• Create JavaScript code blocks
• Define new nodes

Question: The Watson Speech to Text node outputs to which object?

• msg.transcription
• msg.payload
• msg.translation
• msg.result

Question: What are the three main categories of nodes?

• input, inject, function
• storage, input, output
• input, output, function
• analysis, advanced, output

Question: In this course, the microphone node from Lab 3 is available as a core Node-RED node.

• True
• False

Question: What does the Watson Tone Analyzer service do?

• Analyzes emotions, such as happy, sad, confident, anger, in text
• Predicts personality characteristics, such as needs and values, in text
• Looks for trends and patterns in text
• Analyzes text to extract metadata from content such as concepts, entities, keywords, categories

Question: The http request node is used to send HTTP requests.

• True
• False

Question: Node-RED is based on which programming language?

• Python
• Ruby
• Java
• Node.js

Conclusion:

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