Books
Learn HTML
Learn CSS
Learn Git
Learn Javascript
Learn PHP
Learn python
Learn Java
Exercises
HTML
JavaScript
Git
CSS
PHP
Courses
Quizzes
Snippets
Tools
General Tools
Password Generator
HTML Editor
HTML Encoder
Base 64
Code Diff
JSON Beautifier
CSS Beautifier
Markdown Convertor
Find the Closest Tailwind CSS Color
Phrase encrypt / decrypt
Browser Feature Detection
Number convertor
CSS Maker
CSS Maker
CSS Maker text shadow
CSS Maker Text Rotation
CSS Maker Out Line
CSS Maker RGB Shadow
CSS Maker Transform
CSS Maker Font Face
Color Tools
Color Picker
Colors CMYK
Colors HWB
Colors HSL
Color Hex
Color mixer
Color Converter
Colors RGB
Color Contrast Analyzer
Color Gradient
String Tools
String Length Calculator
MD5 Hash Generator
Sha256 Hash Generator
String Reverse
URL Encoder
URL Decoder
Base 64 Encoder
Base 64 Decoder
Extra Spaces Remover
String to Lowercase
String to Uppercase
Word Count Calculator
Empty Lines Remover
HTML Tags Remover
Binary to Hex
Hex to Binary
Rot13 Transform on a String
String to Binary
Duplicate Lines Remover
Change theme
Dark
Light
System
Books
Learn HTML
Learn CSS
Learn Git
Learn Javascript
Learn PHP
Learn python
Learn Java
How To
How To NodeJs
How To Linux
How To AngularJs
How To PHP
How To HTML
How To CSS
How To Symfony
How To Git
How To Apache
How To JavaScript
How To Java
How To Vue.js
How To Python
NodeJS Basics
1/25
Which of the following is a core module in Node.js?
Express
fs
Bootstrap
Next >
2/25
What command is used to remove a package in Node.js using npm?
npm delete package-name
npm remove package-name
npm uninstall package-name
Next >
3/25
What is the purpose of the Buffer class in Node.js?
To handle binary data
To buffer all the application data in memory
To manage application caching
Next >
4/25
What is the default scope of Node.js modules?
Global
Local to the file they are defined in
Local to the directory they are located in
Next >
5/25
Which method is used to read the content of a file in Node.js?
fs.readFile()
fs.readContent()
fs.getContent()
Next >
6/25
What does NPM stand for?
Node Package Manager
Network Protocol Module
New Programming Methodology
Next >
7/25
Which of the following allows Node.js to provide a non-blocking I/O model?
Single-threaded model
Use of the libuv library
Multi-threaded model
Synchronous execution
Next >
8/25
How do you update npm to its latest version?
npm update npm
npm install -g npm@latest
npm upgrade npm
Next >
9/25
What does the 'require' function do in Node.js?
Loads a JavaScript library
Imports a module
Requests data from a web service
Next >
10/25
Which Node.js module is used to work with file paths?
fs
path
file
Next >
11/25
What is the significance of package-lock.json in a Node.js project?
It locks the versions of the packages installed
It automatically updates packages to their latest versions
It is a backup of the package.json file
It speeds up the npm install process
Next >
12/25
What does the Node.js os module provide?
Functions for interacting with the operating system
Methods for online storage
Utilities for network operations
Information about the current operating system
Next >
13/25
How can you ensure that a function is executed after all callbacks have completed in Node.js?
Using the async module's series method
Using the Promise.all method
By nesting callbacks
Using the EventEmitter class
Next >
14/25
Which method in the fs module is used to asynchronously delete a file?
fs.unlink()
fs.remove()
fs.delete()
Next >
15/25
Which of the following correctly checks for the presence of an environment variable in Node.js?
if (process.env.VAR_NAME) {}
if (env.VAR_NAME) {}
if (system.getEnv('VAR_NAME')) {}
Next >
16/25
What is the best practice for managing asynchronous code in Node.js?
Using nested callbacks
Using Promises and async/await
Executing synchronous functions in parallel
Avoiding asynchronous code
Next >
17/25
Which of the following is a benefit of using TypeScript with Node.js?
Automatic error correction in runtime
Static typing and compile-time error checking
Increased runtime performance
Direct access to Node.js API without imports
Next >
18/25
Which command is used to create a new Node.js project?
npm new project
npm init
node start
Next >
19/25
Which of the following are valid HTTP methods supported by the HTTP module in Node.js?
GET
SEND
POST
REMOVE
Next >
20/25
In Node.js, what is a middleware in the context of Express applications?
A database management system
Functions that have access to the request object, the response object, and the next middleware function
A client-side JavaScript library
Next >
21/25
How can you access the query string parameters in an Express route?
req.query
req.params
req.body
Next >
22/25
Which environment variable is commonly used to set the port for a Node.js web server?
PORT
SERVER_PORT
HTTP_PORT
Next >
23/25
How do you send a status code of 404 with a message in Express?
res.status(404).send('Not Found')
res.send(404, 'Not Found')
res.sendStatus('404 Not Found')
Next >
24/25
What is the purpose of the Node.js 'cluster' module?
To distribute incoming network connections across multiple worker processes
To manage multiple database clusters
To enable real-time communication between clients and servers
Next >
25/25
What does the 'util.inspect()' method do in Node.js?
Converts an object into a string representation
Inspects the performance of a Node.js application
Checks the usability of a module
Next >
To get the result of the quiz, please provide your email address (optional)..
Get Certificate
It seems you haven't answered any questions yet. Please provide your answers to proceed.