What is Node.js?

• A programming language

• A JavaScript runtime environment

• A web browser

• A database system

What is the primary use of Express.js?

• To manage databases

• To build web applications and APIs

• To create desktop applications

• To design user interfaces

Which command installs Node.js packages?

• node install

• npm install

• express install

• js install

What does npm stand for?

• Node Program Manager

• Node Package Manager

• New Project Module

• Node Process Manager

How do you start a Node.js application?

• node start

• node filename.js

• npm run

• express start

What is a module in Node.js?

• A type of database

• A reusable piece of JavaScript code

• A web server

• A user interface component

How do you import a module in Node.js?

• import module

• require('module')

• include module

• load('module')

What is the role of the package.json file?

• Stores HTML templates

• Manages project dependencies and metadata

• Runs JavaScript code

• Configures the server

What does the http module do in Node.js?

• Creates a database connection

• Handles file operations

• Creates an HTTP server

• Manages user authentication

What is middleware in Express.js?

• A database connector

• A function that processes requests and responses

• A styling framework

• A JavaScript library