In this post, you will find 100 Node.js MCQ questions for 2026 exams and interviews. These Node.js quiz questions are mainly designed to mimic online coding and placement tests, so you can practice and test your knowledge before directly jumping into the exam.
100 Node.js MCQ (With Answers)
I have added simple explanations for each question in this 100 Node.js MCQ set. First, read each quiz and try to answer it yourself, then only click the dropdown button next to it to find the correct answer and explanation.
Q1. Which of the following best describes the nature of Node.js?
A. Multithreaded and Synchronous
B. Single-threaded and Asynchronous
C. Multi-threaded and Blocking
D. Only used for Client-side scripting
Show Answer
Answer: B
Node.js uses a single-threaded event loop to handle asynchronous I/O operations efficiently.
Q2. Which engine is used by Node.js to execute JavaScript code?
A. SpiderMonkey
B. Chakra
C. V8 Engine
D. Rhino
Show Answer
Answer: C
Node.js is built on Google Chrome’s high-performance V8 JavaScript engine.
Q3. In which year was the Node.js project initially released?
A. 2005
B. 2009
C. 2012
D. 2015
Show Answer
Answer: B
Node.js was created by Ryan Dahl and first released in 2009.
Q4. Which command is used to initialize a new Node.js project and create a package.json file?
A. npm start
B. npm install
C. npm init
D. npm setup
Show Answer
Answer: C
The npm init command sets up a new or existing npm package by creating package.json.
Q5. Which module is used in Node.js to create an HTTP server?
A. url
B. path
C. http
D. fs
Show Answer
Answer: C
The built-in http module allows Node.js to transfer data over the Hyper Text Transfer Protocol.
Q6. What is the default scope of variables in a Node.js module?
A. Global
B. Local to the module
C. Shared across all modules
D. Restricted to the function only
Show Answer
Answer: B
In Node.js, variables defined in a file are private to that module and not globally scoped.
Q7. Which Node.js function is used to stop the execution of a script?
A. process.stop()
B. process.exit()
C. process.end()
D. process.kill()
Show Answer
Answer: B
The process.exit() method instructs Node.js to terminate the process synchronously with an exit status.
Q8. How can you import an external module in Node.js using CommonJS?
A. import module from ‘name’
B. require(‘name’)
C. using(‘name’)
D. fetch(‘name’)
Show Answer
Answer: B
The require() function is the built-in way to include modules that exist in separate files.
Q9. Which core module provides a way of handling file paths?
A. file
B. route
C. path
D. location
Show Answer
Answer: C
The path module provides utilities for working with file and directory paths.
Q10. What does REPL stand for in Node.js?
A. Read Eval Print Loop
B. Real Event Process Language
C. Read Execute Process List
D. Runtime Environment Program Library
Show Answer
Answer: A
REPL is a simple interactive computer programming environment that takes user inputs and returns results.
Q11. Which method is used to write data to a file asynchronously in Node.js?
A. fs.write()
B. fs.writeFile()
C. fs.saveFile()
D. fs.createFile()
Show Answer
Answer: B
fs.writeFile() asynchronously writes data to a file, replacing it if it already exists.
Q12. What is the role of the “exports” object in Node.js?
A. To import internal modules
B. To handle HTTP requests
C. To expose functions or variables for use in other files
D. To define global variables
Show Answer
Answer: C
The exports object is used to make parts of a module available to other files.
Q13. Which of the following is NOT a built-in module in Node.js?
A. fs
B. mysql
C. crypto
D. os
Show Answer
Answer: B
MySQL is a third-party package that must be installed via npm; it is not built into the Node.js core.
Q14. What does the “fs” module stand for?
A. File Storage
B. File System
C. Functional Script
D. Firm System
Show Answer
Answer: B
The fs module allows you to work with the file system on your computer.
Q15. Which of the following commands installs a package globally?
A. npm install package -g
B. npm add package –all
C. npm install package –save
D. npm get package -g
Show Answer
Answer: A
The -g flag stands for global, meaning the package is installed in your system directory.
Q16. What is the purpose of the Buffer class in Node.js?
A. To handle string manipulation
B. To store binary data
C. To manage file paths
D. To speed up database queries
Show Answer
Answer: B
Buffer class is used to handle raw binary data, typically when reading from streams or files.
Q17. Which global object in Node.js represents the current process?
A. task
B. app
C. process
D. thread
Show Answer
Answer: C
The process object provides information and control over the current Node.js process.
Q18. What is the use of the “os” module in Node.js?
A. To perform database operations
B. To get information about the operating system
C. To create a new operating system
D. To manage CSS files
Show Answer
Answer: B
The os module provides operating system-related utility methods and properties.
Q19. Which tool is bundled by default with the Node.js installer?
A. Git
B. npm
C. Python
D. MongoDB
Show Answer
Answer: B
npm (Node Package Manager) is the default package manager included with Node.js.
Q20. Which event is emitted when a Node.js process is about to exit?
A. stop
B. end
C. exit
D. finish
Show Answer
Answer: C
The ‘exit’ event is emitted when the Node.js process is about to terminate.
Q21. What is the extension for Node.js files?
A. .node
B. .javascript
C. .js
D. .nj
Show Answer
Answer: C
Node.js files use the standard JavaScript extension .js.
Q22. Which of the following is an advantage of using Node.js?
A. Slow processing
B. Highly Scalable
C. Synchronous execution
D. Not suitable for real-time apps
Show Answer
Answer: B
Node.js is highly scalable due to its event-driven, non-blocking I/O model.
Q23. How do you start a Node.js REPL session in the terminal?
A. type ‘start’
B. type ‘node’
C. type ‘repl’
D. type ‘npm’
Show Answer
Answer: B
Simply typing ‘node’ in your command prompt starts the interactive REPL environment.
Q24. Which function is used to schedule a task to run after a specific delay?
A. setInterval()
B. setTimeout()
C. setDelay()
D. sleep()
Show Answer
Answer: B
setTimeout() executes a block of code after a specified number of milliseconds.
Q25. What is “callback hell” in Node.js?
A. A recursive function that never ends
B. Heavily nested callbacks that make code hard to read
C. A type of error in the V8 engine
D. A deprecated feature in Node.js
Show Answer
Answer: B
Callback hell refers to deeply nested asynchronous functions that become unmanageable.
Q26. Which module is used to split a query string into readable parts?
A. querystring
B. path
C. http
D. split
Show Answer
Answer: A
The querystring module provides utilities for parsing and formatting URL query strings.
Q27. How can you read a file synchronously in Node.js?
A. fs.readFile()
B. fs.readFileSync()
C. fs.readSync()
D. fs.fetchFileSync()
Show Answer
Answer: B
The readFileSync() method is the synchronous version of the readFile() method.
Q28. What does NPM stand for?
A. Node Project Manager
B. New Package Module
C. Node Package Manager
D. Network Packet Monitor
Show Answer
Answer: C
NPM is the package manager for Node.js and the world’s largest software registry.
Q29. Which of the following is a stream type in Node.js?
A. Readable
B. Writable
C. Duplex
D. All of the above
Show Answer
Answer: D
Node.js has four basic stream types: Readable, Writable, Duplex, and Transform.
Q30. What is the command to uninstall a package using npm?
A. npm delete package
B. npm remove package
C. npm uninstall package
D. Both B and C
Show Answer
Answer: D
Both ‘uninstall’ and ‘remove’ commands can be used to delete a package.
Q31. Which core module allows for creating a Child Process?
A. process
B. child_process
C. spawn
D. thread
Show Answer
Answer: B
The child_process module provides the ability to spawn subprocesses in Node.js.
Q32. How do you create a directory in Node.js using the fs module?
A. fs.createDir()
B. fs.mkdir()
C. fs.newFolder()
D. fs.makeDir()
Show Answer
Answer: B
The mkdir() method is used to create a new directory asynchronously.
Q33. What is the purpose of “module.exports” in Node.js?
A. To export multiple functions or objects as a single unit
B. To import a library
C. To stop the module execution
D. To define private variables
Show Answer
Answer: A
module.exports is the object that is actually returned as the result of a require call.
Q34. Which of these is a valid way to create a Buffer in Node.js?
A. Buffer.from([1, 2, 3])
B. Buffer.alloc(10)
C. Buffer.from(‘Hello’)
D. All of the above
Show Answer
Answer: D
Buffers can be created from arrays, strings, or by allocating a specific size.
Q35. What does the “util” module provide in Node.js?
A. Database connectivity
B. Cryptography tools
C. Debugging and utility functions
D. HTTP routing
Show Answer
Answer: C
The util module provides helpful utility functions for developers, like promisify.
Q36. Which global object contains information about the directory of the current script?
A. __dirname
B. __filename
C. process.cwd()
D. path.dir
Show Answer
Answer: A
__dirname gives the absolute path to the directory containing the currently executing file.
Q37. Which method is used to attach an event listener to an object?
A. on()
B. attach()
C. listen()
D. bind()
Show Answer
Answer: A
The on() method is used to bind a function to an event emitted by an EventEmitter.
Q38. In Node.js, what is the default behavior of the Event Loop?
A. Executes all tasks in parallel
B. Executes tasks in a FIFO (First In First Out) queue
C. Only executes synchronous code
D. Stops after the first error
Show Answer
Answer: B
The Event Loop processes callbacks in phases, generally following a FIFO order within those phases.
Q39. Which of the following is an example of a web framework for Node.js?
A. Django
B. Express
C. Flask
D. Laravel
Show Answer
Answer: B
Express is the most popular, minimal, and flexible web application framework for Node.js.
Q40. What is the purpose of the “crypto” module?
A. To manage file uploads
B. To handle cryptographic functionality like hashing
C. To monitor CPU usage
D. To convert text to speech
Show Answer
Answer: B
The crypto module provides cryptographic tools including a set of wrappers for OpenSSL’s hash, HMAC, cipher, and decipher functions.
Q41. Which command displays the current version of Node.js installed?
A. node -v
B. node –version
C. Both A and B
D. npm -version
Show Answer
Answer: C
Both ‘node -v’ and ‘node –version’ are valid commands to check the installed version.
Q42. How do you listen for an event only once in Node.js?
A. on(‘event’, …)
B. once(‘event’, …)
C. single(‘event’, …)
D. first(‘event’, …)
Show Answer
Answer: B
The once() method adds a one-time listener for an event, which is removed after it is triggered.
Q43. What does “Event-Driven” mean in Node.js?
A. Using events to trigger hardware interrupts
B. The flow of the program is determined by events such as user actions or messages
C. Coding only in HTML events
D. A program that only runs on weekends
Show Answer
Answer: B
Event-driven programming uses events (triggers) to call callback functions and manage program flow.
Q44. Which object is used to access command-line arguments in a Node.js script?
A. process.args
B. process.argv
C. process.params
D. node.args
Show Answer
Answer: B
process.argv is an array containing the command-line arguments passed when the Node.js process was launched.
Q45. What is the use of the “pipe” method in streams?
A. To connect multiple servers
B. To read from one stream and write to another automatically
C. To encrypt stream data
D. To delete a file stream
Show Answer
Answer: B
Piping is a mechanism where we provide the output of one stream as the input to another stream.
Q46. Which core module provides the EventEmitter class?
A. event
B. events
C. emit
D. listener
Show Answer
Answer: B
The ‘events’ module is used to handle and create custom events in Node.js.
Q47. What does the “cluster” module do in Node.js?
A. To group different files together
B. To create child processes that share the same server port
C. To manage database clusters
D. To perform mathematical clustering
Show Answer
Answer: B
The cluster module allows you to create worker processes to utilize multi-core systems.
Q48. Which method is used to delete a file in Node.js?
A. fs.delete()
B. fs.unlink()
C. fs.removeFile()
D. fs.clear()
Show Answer
Answer: B
fs.unlink() is used to remove a file or symbolic link from the file system.
Q49. Which of the following is used to manage different versions of Node.js?
A. npm
B. nvm
C. npx
D. nodemon
Show Answer
Answer: B
NVM (Node Version Manager) allows you to install and switch between different Node.js versions.
Q50. What is the purpose of the “zlib” module in Node.js?
A. To create random numbers
B. To provide compression and decompression using Gzip/Deflate
C. To handle 3D graphics
D. To manage SSL certificates
Show Answer
Answer: B
The zlib module provides compression functionality via Gzip, Deflate/Inflate, and Brotli.
Q51. What is the correct way to import a JSON file in Node.js?
A. require(‘./data.json’)
B. fs.readJSON(‘./data.json’)
C. importJSON(‘./data.json’)
D. fetchJSON(‘./data.json’)
Show Answer
Answer: A
In Node.js (CommonJS), you can use require to directly load and parse a JSON file.
Q52. Which function is used to create a ReadStream from a file?
A. fs.openReadStream()
B. fs.createReadStream()
C. fs.readStream()
D. fs.getStream()
Show Answer
Answer: B
fs.createReadStream() is used to read data from a file in a streaming fashion.
Q53. What does “Non-blocking” I/O mean in Node.js?
A. The system waits for an operation to finish before moving to the next
B. Multiple operations can start without waiting for others to complete
C. The CPU is blocked until a file is read
D. Only one user can access the server at a time
Show Answer
Answer: B
Non-blocking I/O allows Node.js to initiate an operation and continue execution until the result is ready.
Q54. Which npm command updates all packages to their latest version?
A. npm update
B. npm upgrade
C. npm refresh
D. npm fix
Show Answer
Answer: A
The npm update command updates all the packages listed in package.json to the latest version based on the semver range.
Q55. What is the use of the “dns” module in Node.js?
A. To secure data transfer
B. To perform name resolution (DNS lookups)
C. To design networking hardware
D. To create a local database
Show Answer
Answer: B
The dns module contains functions for resolving domain names to IP addresses.
Q56. Which of the following is a core principle of Node.js performance?
A. Single-threaded Event Loop
B. Heavyweight processes
C. Synchronous Database calls
D. Blocking I/O
Show Answer
Answer: A
The single-threaded event loop is the key architectural feature that provides high performance.
Q57. How do you check if a file exists in Node.js?
A. fs.exists()
B. fs.access()
C. fs.stat()
D. All of the above (with different use cases)
Show Answer
Answer: D
While fs.exists is deprecated, fs.access and fs.stat are commonly used to check for file presence.
Q58. What is the role of “package-lock.json”?
A. To lock the computer when npm is running
B. To ensure consistent dependency versions across different installations
C. To hide the package.json file
D. To speed up the internet connection
Show Answer
Answer: B
package-lock.json locks the version of every installed dependency to ensure the exact same tree is generated everywhere.
Q59. Which HTTP method is used to update an existing resource?
A. GET
B. POST
C. PUT
D. DELETE
Show Answer
Answer: C
PUT (or PATCH) is used to update existing data on a server.
Q60. What is the “Event Emitter” in Node.js?
A. A hardware device
B. A class that triggers events when certain tasks are completed
C. A type of loop
D. A CSS property
Show Answer
Answer: B
Many Node.js objects emit events; any object that emits events is an instance of the EventEmitter class.
Q61. Which property of the request object contains the URL of the request?
A. req.url
B. req.path
C. req.uri
D. req.link
Show Answer
Answer: A
The req.url property provides the URL string of the incoming request.
Q62. What does Libuv provide to Node.js?
A. A user interface library
B. Multi-platform support for asynchronous I/O
C. Database drivers
D. CSS pre-processing
Show Answer
Answer: B
Libuv is a C library that provides the event loop and asynchronous capabilities to Node.js.
Q63. Which method is used to set the response header in an HTTP server?
A. res.setHeader()
B. res.writeHead()
C. Both A and B
D. res.header()
Show Answer
Answer: C
Both setHeader and writeHead can be used to define headers in the HTTP response.
Q64. What is the default port number for the Node.js debugger?
A. 8080
B. 3000
C. 9229
D. 5858
Show Answer
Answer: C
Node.js uses 9229 as the default port for the V8 inspector/debugger.
Q65. How do you read environment variables in Node.js?
A. process.env.VARIABLE_NAME
B. system.getEnv(‘VARIABLE_NAME’)
C. node.env.VARIABLE_NAME
D. process.getEnv(‘VARIABLE_NAME’)
Show Answer
Answer: A
The process.env property returns an object containing the user environment.
Q66. What is the purpose of “npx”?
A. To install Node.js
B. To execute Node packages without installing them globally
C. To manage python packages
D. To create a new React app only
Show Answer
Answer: B
npx is a package runner tool that comes with npm and helps execute binaries from the npm registry.
Q67. Which module is used to work with binary data and streams?
A. stream
B. buffer
C. binary
D. Both A and B
Show Answer
Answer: D
Both stream and buffer modules are critical for handling binary data flow in Node.js.
Q68. Which function is used to convert an object into a JSON string?
A. JSON.parse()
B. JSON.stringify()
C. JSON.toString()
D. JSON.convert()
Show Answer
Answer: B
JSON.stringify() converts a JavaScript object or value to a JSON string.
Q69. What does the “assert” module do?
A. Helps in data encryption
B. Used for writing unit tests by providing assertion functions
C. Connects to external APIs
D. Manages database assertions
Show Answer
Answer: B
The assert module provides a set of assertion functions for verifying invariants in code.
Q70. Which command is used to run a script named “app.js”?
A. start app.js
B. run app.js
C. node app.js
D. npm app.js
Show Answer
Answer: C
The ‘node’ command followed by the filename executes the script.
Q71. What is the use of the “tls” module in Node.js?
A. To manage file transfers
B. To implement Transport Layer Security (SSL/TLS) for secure communication
C. To speed up network latency
D. To design user interfaces
Show Answer
Answer: B
The tls module provides an implementation of the Transport Layer Security and Secure Socket Layer protocols.
Q72. Which of the following is true about “Process Next Tick”?
A. It runs at the end of the next event loop cycle
B. It runs immediately after the current operation, before the next event loop phase
C. It is slower than setTimeout
D. It is used to pause the process
Show Answer
Answer: B
process.nextTick() schedules a callback to be invoked in the next iteration of the event loop.
Q73. What is the purpose of the “vm” module?
A. To create virtual machines like VMware
B. To compile and run code within V8 Virtual Machine contexts
C. To manage video memory
D. To create virtual DOM
Show Answer
Answer: B
The vm module provides APIs for compiling and running code within V8 virtual machine contexts.
Q74. Which of the following is NOT a type of Stream in Node.js?
A. Readable
B. Writable
C. Static
D. Transform
Show Answer
Answer: C
Static is not a Node.js stream type; Transform is a duplex stream that modifies data.
Q75. How do you install a specific version of a package using npm?
A. npm install package[version]
B. npm install package@version
C. npm install package –version
D. npm get package:version
Show Answer
Answer: B
The ‘@’ symbol is used to specify a particular version of a package during installation.
Q76. What is the role of the “net” module?
A. To create HTTP servers only
B. To provide an asynchronous network API for creating TCP servers and clients
C. To manage internet settings
D. To fetch data from web pages
Show Answer
Answer: B
The net module is used for creating TCP servers and clients for stream-based network communication.
Q77. What is the use of the “timers” module?
A. To measure code execution time
B. To provide global functions like setTimeout and setInterval
C. To create a stopwatch
D. To manage server uptime
Show Answer
Answer: B
The timers module exposes global functions for scheduling code execution at different times.
Q78. Which method is used to resolve a sequence of paths into an absolute path?
A. path.join()
B. path.resolve()
C. path.concat()
D. path.normalize()
Show Answer
Answer: B
path.resolve() processes paths from right to left to create an absolute path.
Q79. What does the “npm audit” command do?
A. Checks for unused packages
B. Scans the project for security vulnerabilities in dependencies
C. Checks the code for syntax errors
D. Audits the project’s performance
Show Answer
Answer: B
npm audit checks your dependency tree for known security risks and vulnerabilities.
Q80. Which function is used to convert a JSON string back into an object?
A. JSON.parse()
B. JSON.stringify()
C. JSON.objectify()
D. JSON.toObject()
Show Answer
Answer: A
JSON.parse() takes a JSON string and transforms it into a JavaScript object.
Q81. What is the purpose of the “os.cpus()” method?
A. To check the current CPU usage percentage
B. To return an array of objects containing information about each CPU/core
C. To overclock the CPU
D. To stop a CPU core
Show Answer
Answer: B
os.cpus() provides details about each logical CPU core installed in the machine.
Q82. Which core module is used for DNS lookups?
A. url
B. net
C. dns
D. domain
Show Answer
Answer: C
The dns module provides functions for network name resolution.
Q83. How do you create a simple console log in Node.js?
A. print(“Hello”)
B. echo “Hello”
C. console.log(“Hello”)
D. log.info(“Hello”)
Show Answer
Answer: C
console.log() is used to output text to the standard output (terminal).
Q84. What is the use of the “path.extname()” method?
A. To change the file extension
B. To get the extension of a file path
C. To check if an extension is valid
D. To list all file extensions in a folder
Show Answer
Answer: B
path.extname() returns the extension of the path, from the last occurrence of the ‘.’ character.
Q85. Which of the following is a way to handle errors in asynchronous code?
A. try-catch with async/await
B. Callback pattern (err, data)
C. Promises .catch() method
D. All of the above
Show Answer
Answer: D
Node.js supports multiple patterns for handling errors in asynchronous operations.
Q86. What does “npm prune” do?
A. Deletes the node_modules folder
B. Removes packages not listed in the package.json file
C. Updates all packages
D. Minifies the code
Show Answer
Answer: B
npm prune is used to remove extraneous packages that are no longer needed in the project.
Q87. Which of the following is used to encrypt passwords in Node.js applications?
A. crypto module
B. bcrypt package
C. Both A and B
D. fs module
Show Answer
Answer: C
Both the built-in crypto module and the popular bcrypt package are used for hashing passwords.
Q88. What is the purpose of the “stream.Transform” class?
A. To move files from one folder to another
B. A duplex stream where the output is computed from the input
C. To convert JavaScript to TypeScript
D. To change the server port
Show Answer
Answer: B
Transform streams are used to modify or transform data as it is being read or written.
Q89. Which property is used to get the platform (OS) in Node.js?
A. process.os
B. process.platform
C. os.platformName
D. system.platform
Show Answer
Answer: B
The process.platform property returns a string identifying the operating system platform.
Q90. What is a “Promise” in Node.js?
A. A guarantee that the code will never crash
B. An object representing the eventual completion or failure of an asynchronous operation
C. A keyword used to define a class
D. A special type of array
Show Answer
Answer: B
Promises provide a cleaner way to handle asynchronous results compared to traditional callbacks.
Q91. Which method of the “fs” module is used to rename a file?
A. fs.rename()
B. fs.move()
C. fs.changeName()
D. fs.updateFile()
Show Answer
Answer: A
fs.rename() asynchronously changes the name or location of a file.
Q92. What is the role of “Middleware” in Express.js?
A. To connect to the database
B. Functions that have access to the request and response objects and process them
C. To design the HTML layout
D. To compile JavaScript code
Show Answer
Answer: B
Middleware functions are used to execute code, change request/response, and end the request-response cycle.
Q93. How do you handle file uploads in a Node.js Express app?
A. Using the fs module directly
B. Using middleware like ‘multer’
C. Using the ‘upload’ keyword
D. Using the ‘http’ module
Show Answer
Answer: B
Multer is a popular middleware for handling multipart/form-data, primarily used for uploading files.
Q94. Which command is used to run a script in production mode?
A. node start
B. npm start
C. node app.js –prod
D. Depends on scripts defined in package.json
Show Answer
Answer: D
Production scripts are usually defined by the user in the “scripts” section of package.json.
Q95. What does the “os.totalmem()” method return?
A. Total amount of hard disk space
B. Total amount of system memory in bytes
C. Total number of processes running
D. Total uptime of the system
Show Answer
Answer: B
os.totalmem() returns the total amount of physical memory (RAM) in bytes.
Q96. Which module is used to handle URL parsing in Node.js?
A. link
B. web
C. url
D. path
Show Answer
Answer: C
The url module provides utilities for URL resolution and parsing.
Q97. What is “Scaffolding” in Node.js?
A. Deleting unused code
B. Generating the basic structure or template of a project automatically
C. Deploying code to a server
D. Running unit tests
Show Answer
Answer: B
Scaffolding tools like Express Generator create the initial boilerplate for an application.
Q98. Which statement is used to export a function in ES Modules?
A. module.exports = function
B. export function name() {}
C. exports.name = function
D. send function
Show Answer
Answer: B
ES Modules use the ‘export’ keyword to make functions or variables available to other files.
Q99. What is the default value of the “main” field in package.json?
A. app.js
B. index.js
C. server.js
D. main.js
Show Answer
Answer: B
If not specified, npm defaults the entry point of the package to index.js.
Q100. Which object in Node.js is global by default and available in all modules?
A. window
B. global
C. document
D. browser
Show Answer
Answer: B
The global object is the top-level scope in Node.js, similar to ‘window’ in browsers.
Conclusion
Practicing Node.js MCQ and quiz questions is one of the best ways to revise backend development concepts and prepare for coding interviews or technical exams. This Node.js MCQ collection is designed to help you test your knowledge of JavaScript runtime, async programming, npm, modules, streams, and real-world backend concepts.
You can also continue your preparation with these Node.js interview questions and answers that include real interview-level questions asked by top companies.
Resources and References:
- Node.js Official Documentation
https://nodejs.org/en/docs/ - Node.js API Reference
https://nodejs.org/api/ - npm Package Documentation
https://docs.npmjs.com/ - StackOverflow Node.js Tag (Community Q&A)
https://stackoverflow.com/questions/tagged/node.js
