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 <br>
 
+### Table of Contents - Node.js
+
+| No. | Questions                                                                                                                                      |
+|-----|------------------------------------------------------------------------------------------------------------------------------------------------|
+|     | **Node.js**                                                                                                                                    |
+| 1   | [What is Node.js and why is it used?](#1-what-is-nodejs-and-why-is-it-used)                                                                    |
+| 2   | [How does Node.js handle child threads?](#2-how-does-nodejs-handle-child-threads)                                                              |
+| 3   | [Describe the event-driven programming in Node.js.](#3-describe-the-event-driven-programming-in-nodejs)                                        |
+| 4   | [What is the event loop in Node.js?](#4-what-is-the-event-loop-in-nodejs)                                                                      |
+| 5   | [What is the difference between Node.js and traditional web server technologies?](#5-what-is-the-difference-between-nodejs-and-traditional-web-server-technologies) |
+| 6   | [Explain what "non-blocking" means in Node.js.](#6-explain-what-non-blocking-means-in-nodejs)                                                  |
+| 7   | [How do you update Node.js to the latest version?](#7-how-do-you-update-nodejs-to-the-latest-version)                                          |
+| 8   | [What is "npm" and what is it used for?](#8-what-is-npm-and-what-is-it-used-for)                                                               |
+| 9   | [How do you manage packages in a Node.js project?](#9-how-do-you-manage-packages-in-a-nodejs-project)                                          |
+| 10  | [What is a package.json file?](#10-what-is-a-packagejson-file)                                                                                |
+| 11  | [Describe some of the core modules of Node.js.](#11-describe-some-of-the-core-modules-of-nodejs)                                               |
+| 12  | [How do you create a simple server in Node.js using the HTTP module?](#12-how-do-you-create-a-simple-server-in-nodejs-using-the-http-module)    |
+| 13  | [Explain the purpose of the File System (fs) module.](#13-explain-the-purpose-of-the-file-system-fs-module)                                    |
+| 14  | [What is the Buffer class in Node.js?](#14-what-is-the-buffer-class-in-nodejs)                                                                 |
+| 15  | [What are streams in Node.js and what types are available?](#15-what-are-streams-in-nodejs-and-what-types-are-available)                       |
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 ## 1. What is Node.js and why is it used?
 
 **Node.js** is an open-source, cross-platform JavaScript runtime environment that executes code outside of a web browser. It is built on V8, the same JavaScript engine within Chrome, and optimized for high performance. This environment, coupled with an event-driven, non-blocking I/O framework, is tailored for server-side web development and more.