Introduction to NodeJS Quiz

Test your knowledge of Node.js with this quiz. Answer questions about server-side programming and application building.

Question 1

Which of these is a built-in Node.js module?

fs http path All of the above

Question 2

What is Node.js primarily used for?

Creating mobile apps Building server-side applications Designing graphics Word processing

Question 3

Which file is used to define a Node.js project and its dependencies?

node.js index.js package.json app.js

Question 4

What is Node.js primarily used for?

Creating mobile apps Building server-side applications Designing graphics Word processing

Question 5

Which of these is a built-in Node.js module?

fs http path All of the above

Question 6

What does npm stand for?

Node Project Manager Node Package Manager Network Protocol Module New Program Method

Question 7

Which language does Node.js run?

Python Ruby JavaScript Java

Question 8

Which command initializes a new Node.js project?

npm install npm run npm start npm init

Question 9

What is the purpose of the 'require' function in Node.js?

To export modules To include modules To compile code To define variables

Question 10

Which global object provides information about the current process?

module require console process

Question 11

Which method is used to read files asynchronously in Node.js?

readFile read fsOpen readFileAsync

Question 12

Which environment is Node.js mainly used for?

Frontend Backend Mobile Embedded

Question 13

Which package manager comes with Node.js?

Yarn npm Bower Pip

Question 14

How do you install a package globally using npm?

npm install packagename npm install -g packagename npm get packagename npm global install packagename

Question 15

What does __dirname represent in Node.js?

Name of directory Current directory Parent directory Root directory

Question 16

Which module is used for creating a web server in Node.js?

net http fs url

Question 17

What is a callback function in Node.js?

Function passed to another function Loop function Error handler Timer function

Question 18

Which of the following handles unhandled exceptions globally?

try...catch process.on('exit') process.on('uncaughtException') errorHandler

Question 19

What type of architecture does Node.js follow?

Multithreaded Synchronous Blocking Event-driven

Question 20

Which command lists globally installed npm packages?

npm list npm list -g npm view npm global

Question 21

What is middleware in Node.js?

Static content Request handler Database Function that handles requests/responses

Question 22

Which statement is true about Node.js?

It blocks I/O by default It uses a single thread for concurrency It’s only used for APIs It cannot connect to databases

Question 23

How do you exit a Node.js process?

exit() process.end() stop() process.exit()

Question 24

What module is used to work with file paths?

fs path os url

Question 25

Which keyword is used to export functions in Node.js?

include define export module.exports

Question 26

What is the default port for HTTP in Node.js?

8080 80 3000 5000

Question 27

Which of the following is not a Node.js feature?

Non-blocking I/O Event-driven model Synchronous processing Single-threaded model

Question 28

Which object is used to handle streams in Node.js?

stream pipe data stdin

Question 29

Which file commonly contains metadata and scripts in Node.js projects?

README.md app.js index.html package.json

Question 30

How can you create a server with Express.js?

express.create() http.listen() express() + app.listen() server.create()