Quiz | Croma Campus

How can you create a new project with npm?

npm new
npm create
npm init
npm start

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What does 'process.env' contain?

Environment variables
Event loop status
Process status
File system paths

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

3000
8080
8000
80

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What is the purpose of 'express-session'?

To handle file uploads
To manage user sessions
To parse JSON data
To handle routing

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How can you handle exceptions in Node.js?

try-catch block
error handling block
exception block
handle block

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What is 'Express.js'?

A Node.js module
A database
A web application framework
A frontend library

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Which of the following is true about Node.js?

It is synchronous by default
It is asynchronous by default
It does not support I/O operations
It cannot be used for web applications

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How can you send a JSON response in Express?

res.sendJson()
res.json()
res.send()
res.sendJSON()

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What does the 'req.params' object contain in Express?

Route parameters
Query parameters
Header information
Cookie data

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What is the purpose of the 'next' parameter in Express middleware?

To handle the next request
To pass control to the next middleware function
To end the response
To start a new session

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How can you handle file uploads in Express?

Using 'body-parser'
Using 'express-fileupload'
Using 'fs' module
Using 'multer'

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How can you create a server in Node.js?

http.createServer()
httpServer.create()
server.create()
server.httpCreate()

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What is the use of 'cors' middleware in Express?

To handle cookies
To enable Cross-Origin Resource Sharing
To manage sessions
To parse form data

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Which of the following is a Node.js web application framework?

Ruby on Rails
Laravel
Express
Django

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What is the default scope in Node.js modules?

Global
Local
Block
Module

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What is the purpose of the 'res' object in Express?

To handle HTTP requests
To handle HTTP responses
To parse URL parameters
To manage sessions

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How do you start a Node.js application?

node app.js
start app.js
run app.js
execute app.js

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Which of the following is used to make HTTP requests in Node.js?

http
axios
request
All of the above

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Which function is used to include modules in Node.js?

import
include
require
get

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What does the 'fs' module stand for?

File Stream
File System
File Structure
File Server

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Which command is used to check the Node.js version?

node -v
node --version
node version
Both node -v and node --version

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How do you handle cookies in Express?

Using 'express-cookies'
Using 'cookie-parser'
Using 'cookie-handler'
Using 'express-session'

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Which method is used to parse JSON data in Node.js?

JSON.parse()
JSON.stringify()
JSON.toString()
JSON.convert()

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What is the purpose of the 'app.listen()' function in Express?

To create a server
To start listening for connections
To handle GET requests
To handle POST requests

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Which command is used to install Node.js?

npm install nodejs
node install
npm install
brew install node

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What is 'body-parser' used for in Express?

To parse incoming request bodies
To handle cookies
To manage sessions
To serve static files

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Which of the following is a database that can be used with Node.js?

MySQL
MongoDB
PostgreSQL
All of the above

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Which method is used to read a file in Node.js?

fs.read()
fs.readFile()
fs.readFileSync()
Both fs.readFile() and fs.readFileSync()

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What does the 'path' module provide?

A way to handle file paths
HTTP server functionality
Cryptographic functions
Database access

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What is a callback function in Node.js?

A function passed as an argument to another function
A function that returns a promise
A function that is called at the end of a script
None of the above

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