Quiz | Croma Campus

Which template engine is commonly used with Express.js?

Pug
Handlebars
EJS
All of the above

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How do you define a middleware function in Express.js?

By using the app.use() method
By using the app.get() method
By specifying middleware in the route handler function
By using the app.middleware() method

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Which method is used to create a new Express application?

new Express()
createExpressApp()
startExpress()
express()

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How can you access query parameters in Express.js?

Using the req.query object
Using the req.query object
Using the req.body object
Using the req.headers object

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Which method is used to render a view in Express.js?

res.render()
res.send()
res.json()
res.sendFile()

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Which of the following is true about Express.js middleware?

Middleware can only be used for authentication.
Middleware functions have access to the request and response objects.
Middleware functions cannot be chained.
Middleware can only be defined globally

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How do you access query string parameters in Express.js?

req.params
req.query
req.route
req.body

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Which method is used to parse JSON bodies in Express.js?

express.urlencoded()
express.body()
express.parse()
express.json()

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How do you set a view engine in Express.js?

app.set('view engine', 'pug')
app.render('view engine', 'pug')
app.engine('view', 'pug')
app.use('view engine', 'pug')

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What is the purpose of the app.route() method in Express.js?

To define route handlers for different HTTP methods on a single route path
To define middleware functions
To serve static files
To render views

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How do you create a modular route in Express.js?

Using express.RouteHandler()
Using express.Router()
Using express.Module()
Using express.Route()

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Which middleware is used to parse URL-encoded bodies?

express.json()
express.parse()
express.body()
express.urlencoded()

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What is the purpose of the express.json() middleware?

To parse JSON data in request bodies
To serve static files
To handle HTTP GET requests
To render views

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What is the purpose of the next() function in Express.js middleware?

To send the response
To invoke the next middleware function
To terminate the request
To render the view

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How do you handle request timeouts in Express.js?

Using request-timeout middleware
Using timeout middleware
Using express-timeout middleware
Using req-timeout middleware

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How do you monitor performance in an Express.js application?

Using express-status-monitor middleware
Using perf-monitor middleware
Using express-perf middleware
Using app-monitor middleware

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What is the use of res.json() in Express.js?

To render a view
To send a file
To redirect to another URL
To send a JSON response

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What is the purpose of the express.urlencoded() middleware?

To parse JSON data in request bodies
To parse URL-encoded data in request bodies
To serve static files
To render views

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Which of the following is a middleware in Express.js?

css-loader
body-parser
node-fetch
html-parser

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What is the purpose of the app.route() method in Express.js?

To define route handlers for different HTTP methods on a single route path
To define middleware functions
To serve static files
To render views

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Which middleware is commonly used for parsing incoming request bodies?

express.static()
express.json()
express.urlencoded()
express.cookieParser

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How do you handle HTTPS in Express.js?

Using express.secure()
Using express.https()
Using https.createServer()
Using app.https()

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How do you handle 404 errors in Express.js?

app.error(404)
app.missing(404)
app.route(404)
app.use((req, res) => { res.status(404).send('Not Found'); })

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What does res represent in Express.js?

Request
Render
Route
Response

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How do you set a cookie in Express.js?

res.cookie()
res.createCookie()
res.setCookie()
res.addCookie()

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How do you install Express.js?

fetch express
install express
npm install express
get express

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How do you handle cluster management in an Express.js application?

Using node-cluster middleware
Using the cluster module in Node.js
Using express-cluster middleware
Using app-cluster middleware

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How do you install Express.js in a Node.js project?

Using npm install express
Using npm install express-generator
Using npm install -g express
Using npm install express --save

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What is middleware in Express.js?

Software used to connect Express with a database
Functions that have access to the request and response objects
A template engine used to generate HTML
A method for handling HTTP requests

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What is Express.js?

A front-end JavaScript framework
A back-end JavaScript framework
A database management system
A testing framework

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