Node-RED: basics to bots Cognitive Class Exam Answers:-

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Course Name:- Node-RED: basics to bots

Lab  1. Create Your First Node-RED Flow

Question 1. You can run Node-RED on the IBM Cloud without installing it locally on your computer.

• True
• False

Question 2. You can connect services like Watson Assistant to a Node-RED instance running on IBM Cloud.

• True
• False

Question 3. The three main types of nodes are Input, Output, and Objects.

• True
• False

Question 4. You use the Debug tab in the flow editor to read the documentation for a node.

• True
• False

Question 5. 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 1. The HTTP In node can be used to create URLs for web pages and APIs.

• True
• False

Question 2. A function node can be used to process the output of a node before feeding it in input to another node.

• True
• False

Question 3. Node-RED offers a Template node.

• True
• False

Question 4. Template nodes can contain JavaScript code.

• True
• False

Question 5. 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 1.You can add more functionalities by leveraging nodes from both the Node-RED project and the wider community.

• True
• False

Question 2. Microphone and speaker nodes are available through community libraries.

• True
• False

Question 3. The Node-RED community has created nodes for every possible need.

• True
• False

Question 4. 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 5. 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 4. Create Cognitive webpages and Messenger bot

Question 1. Community nodes are the only way to integrate with third-party web services.

• True
• False

Question 2. You can import a JSON flow from your clipboard into Node-RED by clicking Import > Clipboard.

• True
• False

Question 3. Integrating Facebook Messenger in your Node-RED application requires that you first obtain a Page Access Token and Verify Token from Facebook.com.

• True
• False

Question 4. The facebook messenger node can only read messages from Facebook Messenger, not write them.

• True
• False

Question 5. We can transcribe and translate captions for a video by leveraging Watson Speech to Text and Watson Language Translator.

• True
• False

Lab 5. Build HTML Web pages that use Git Respositories that can Reuse brower-side javaScript

Question 1. You can pass a video file straight into the Speech to Text Service

• True
• False

Question 2. The HTTP input node is limited to GET requests.

• True
• False

Question 3. There are three HTTP core nodes, http (input), http responde (output), and http request (function).

• True
• False

Question 4. The http input node is used to send HTTP requests.

• True
• False

Question 5. The http request node is used to send HTTP requests.

• True
• False

Node-RED: basics to bots Cognitive Class Final Exam Answers:-

Question 1. What do you use the inject node for?

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

Question 2. The Watson Language Identify node expects its input text to be provided in what object?

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

Question 3. 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 4. What can you use function nodes for?

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

Question 5. The Watson Speech to Text node outputs to which object?

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

Question 6. What are the three main categories of nodes?

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

Question 7. In this course, the microphone node from Lab 3 is available as a core Node-RED node.

• True
• False

Question 8. 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 9. The http request node is used to send HTTP requests.

• True
• False

Question 10.Node-RED is based on which programming language?

• Python
• Ruby
• Java
• Node.js