Mastering Node.js and Git Concepts

What command is used to install Node.js?

• npm install node

• install node.js

• npm install -g node

• node install -g

What is Node.js primarily used for?

• Building scalable network applications and web servers.

• Developing mobile apps

• Creating desktop applications

• Building static websites

List one advantage of using Node.js for web development.

• Limited scalability for large applications.

• Requires extensive setup for simple projects.

• High memory consumption compared to other frameworks.

• High performance due to non-blocking I/O.

What does the 'require' function do in Node.js?

• The 'require' function compiles code in Node.js.

• The 'require' function imports modules or files in Node.js.

• The 'require' function executes scripts in Node.js.

• The 'require' function deletes modules in Node.js.

How do you require your own JavaScript file in Node.js?

• Use 'require("./yourFile.js")' to include your own JavaScript file.

• Use 'import yourFile.js' to include your own JavaScript file.

• Use 'include("./yourFile.js")' to add your own JavaScript file.

• Call 'load("./yourFile.js")' to require your own JavaScript file.

What is a popular third-party module for making HTTP requests in Node.js?

• fetch

• axios

• http-client

• request

How do you restart a Node.js application automatically during development?

• Use Nodemon to restart a Node.js application automatically during development.

• Manually stop and start the server each time.

• Run the application in a Docker container.

• Use Express to manage application state.

What package can be used to simplify command-line input in Node.js?

• inquirer

• chalk

• yargs

• commander

How do you parse JSON data in Node.js?

• Use JSON.parse(yourJsonString) to parse JSON data.

• Use eval(yourJsonString) to interpret JSON data.

• Use JSON.stringify(yourJsonObject) to parse JSON data.

• Call parseJson(yourJsonString) to convert JSON data.

What is the purpose of creating a web server in Node.js?

• To manage file storage on the server

• To compile front-end code in Node.js

• The purpose of creating a web server in Node.js is to handle HTTP requests and serve web content.

• To create a database in Node.js