Online Quiz Attempt – Play & Test Your Knowledge

Question 1

1 / 10

Which of the following is NOT a built-in module in Node.js?

A

http

B

fs

C

os

D

react

Question 2

2 / 10

What is the purpose of the 'npm' command-line tool?

A

To run JavaScript code directly

B

To manage Node.js versions

C

To manage packages and dependencies

D

To compile JavaScript into machine code

Question 3

3 / 10

What does the 'require()' function do in Node.js?

A

Installs a new package

B

Executes a shell command

C

Imports and loads a module

D

Defines a new variable

Question 4

4 / 10

Which of the following is a popular framework built on Node.js, primarily for building web applications?

A

Angular

B

React

C

Vue

D

Express

Question 5

5 / 10

What is the event loop in Node.js primarily responsible for?

A

Handling CPU-intensive tasks

B

Managing memory allocation

C

Handling asynchronous operations

D

Compiling JavaScript code

Question 6

6 / 10

What is the purpose of the 'package.json' file in a Node.js project?

A

To store the project's CSS styles

B

To define the project's metadata and dependencies

C

To store the project's database schema

D

To configure the Node.js runtime environment

Question 7

7 / 10

Which of the following streams is used for reading data?

A

Writable Stream

B

Transform Stream

C

Duplex Stream

D

Readable Stream

Question 8

8 / 10

What is the difference between 'process.nextTick()' and 'setImmediate()'

A

'process.nextTick()' is executed before 'setImmediate()' in the same event loop phase.

B

'setImmediate()' is executed before 'process.nextTick()' in the same event loop phase.

C

They are functionally identical

D

They are deprecated

Question 9

9 / 10

What does the term 'callback hell' refer to in Node.js development?

A

A specific type of error that crashes the Node.js server

B

Excessively nested callbacks, making code difficult to read and maintain

C

The process of debugging asynchronous code

D

A feature of Node.js used for error handling

Question 10

10 / 10

What is the main advantage of using asynchronous programming in Node.js?

A

It simplifies complex logic

B

It allows Node.js to handle multiple requests concurrently without blocking

C

It reduces memory consumption

D

It improves code readability

Quizzes on Routing Node.js