Quiz | Croma Campus

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 'req.body' contain in Express?

URL parameters
Query parameters
Request body data
Session data

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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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How can you send a JSON response in Express?

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

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How do you serve static files in Express?

app.static()
express.static()
app.serve()
express.serve()

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What does 'npm init' command do?

Installs npm
Initializes a new Node.js project
Updates npm
Removes npm

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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 install a package globally using npm?

npm install package
npm install package -g
npm global install package
npm add package

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What does 'process.exit()' do in Node.js?

Ends the process
Starts a new process
Restarts the process
Pauses the process

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How can you create a new project with npm?

npm new
npm create
npm init
npm start

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

http
axios
request
All of the above

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How can you create a promise in Node.js?

new Promise()
Promise.create()
createPromise()
promise()

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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 does the 'path' module provide?

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

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

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

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

Query string parameters
Route parameters
Header information
Cookie data

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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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What is npm?

Node Programming Method
Node Package Manager
New Programming Module
None of the above

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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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How can you create a route in Express?

app.route()
app.get()
app.post()
All of the above

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What is Node.js?

A runtime environment
A library
A framework
A database

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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 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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What is 'nodemon'?

A Node.js module
A package manager
A tool that automatically restarts Node.js applications
A web server

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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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What is 'async/await' used for in Node.js?

To handle synchronous code
To handle asynchronous code
To create a server
To read files

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Which command is used to uninstall a package using npm?

npm delete package
npm remove package
npm uninstall package
npm unpackage

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