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

Node-RED: basics to bots Cognitive Class Certification Answers

Node-RED basics to bots Cognitive Class Exam Quiz Answers

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

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

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

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

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

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

Introduction to Node-RED: basics to bots

Node-RED is a flow-based development tool for visual programming. It is often used for Internet of Things (IoT) applications, but it can also be employed for various other purposes, including creating chatbots. Here’s a basic guide on how to use Node-RED to build a simple chatbot:

1. Install Node-RED:

  • Node-RED is typically installed as a Node.js module.

2. Run Node-RED:

  • After installation, you can start Node-RED
  • Access the Node-RED editor by opening your web browser and navigating to http://localhost:1880.

3. Nodes in Node-RED:

  • Nodes are the basic building blocks in Node-RED. They represent individual operations or functions.
  • You can find nodes on the left sidebar, and you drag them to the workspace to create a flow.

4. Creating a Simple Flow:

  • Drag an “inject” node to the workspace. This node can be used to trigger events.
  • Connect the “inject” node to a “function” node. The “function” node allows you to write JavaScript code.
  • Connect the “function” node to a “debug” node. This node outputs information to the Node-RED debug panel.

5. Writing JavaScript in Function Node:

  • Double-click on the “function” node to edit the JavaScript code.

6. Deploy the Flow:

  • Click the “Deploy” button in the top-right corner to deploy your flow.

7. Testing the Flow:

  • Click the inject node, and you should see “Hello, world!” in the debug panel.

8. Adding Chatbot Functionality:

  • To create a chatbot, you might want to integrate with a messaging platform or use the built-in dashboard in Node-RED.
  • For messaging platforms, consider using nodes like “http in” and “http response” for handling webhooks.
  • Install additional nodes like “node-red-contrib-chatbot” for more advanced chatbot capabilities.

9. Integrating Natural Language Processing (NLP):

  • For more sophisticated chatbots, you can integrate with NLP services like Dialogflow, Wit.ai, or Microsoft LUIS.
  • Use relevant nodes or write custom JavaScript to handle interactions with these NLP services.

10. Deploying the Chatbot:

  • Once you’re satisfied with your chatbot flow, deploy it, and your chatbot will be active and ready to respond.

Remember to explore the Node-RED documentation and community for more details and advanced features. This is a basic guide, and you can extend the functionality based on your specific requirements.

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