Quiz | Croma Campus

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

Mark for review

How do you access route parameters in Express.js?

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

Mark for review

How do you define a route with a parameter in Express.js?

app.get('/user/
app.get('/user/id')
app.get('/user?=id')
app.get('/user.id')

Mark for review

Which method is used to handle HTTP PUT requests in Express.js?

app.get()
app.post()
app.put()
app.use()

Mark for review

Which of the following is true about route parameters in Express.js?

They are optional in route definitions.
They are accessed using the query object.
They are enclosed in curly braces {} in route
They are used only for POST requests

Mark for review

Which HTTP method is used to update a resource in RESTful API design?

GET
POST
PUT
DELETE

Mark for review

How do you install Express.js?

fetch express
install express
npm install express
get express

Mark for review

Which module is used to create an Express.js application?

http
express
fs
path

Mark for review

How do you set up a static file server in Express.js?

Using the app.static() method
Using the express.static() middleware
By configuring the server settings
There's no built-in way to serve static files in Express.js

Mark for review

How do you serve static files from a directory named "public"?

app.serve('public')
app.static('public')
app.use('public')
app.use(express.static('public'))

Mark for review

How do you create a custom middleware in Express.js?

By defining a function with (req, res, next)
By defining a function with (res, req, next)
By defining a function with (req, res)
By defining a function with (req, res, done)

Mark for review

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

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

Mark for review

How do you redirect a request in Express.js?

res.relocate()
res.sendFile()
res.route()
res.redirect()

Mark for review

Which method is used to define a route handler in Express.js?

app.handle()
app.route()
app.get()
app.use()

Mark for review

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'); })

Mark for review

Which method is used to set response headers in Express.js?

res.set()
res.headers()
res.sendHeaders()
res.writeHead()

Mark for review

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

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

Mark for review

Which template engine is commonly used with Express.js?

Pug
Handlebars
EJS
All of the above

Mark for review

Which method is used to handle all HTTP methods for a single route?

app.every()
app.methods()
app.any()
app.all()

Mark for review

How do you define a route handler for GET requests?

app.get()
app.put()
app.delete()
app.post()

Mark for review

How do you send a status code in Express.js?

res.status()
res.sendCode()
res.code()
res.httpStatus()

Mark for review

How do you make an Express.js application secure?

Using helmet middleware
Using secure-middleware
Using protect-middleware
Using securejs middleware

Mark for review

What is next() used for in middleware functions?

To terminate the request-response cycle
To render a view
To send a response
To pass control to the next middleware

Mark for review

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

Mark for review

How do you access route parameters in Express.js?

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

Mark for review

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

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

Mark for review

How do you enable CORS in Express.js?

Using enable-cors middleware
Using cors middleware
Using cross-origin middleware
Using express-cors middleware

Mark for review

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')

Mark for review

How do you define environment variables in Express.js?

Using environment module
Using config module
Using dotenv module
Using env module

Mark for review

How do you handle file uploads in Express.js?

Using express-upload middleware
Using form-data middleware
Using multer middleware
Using body-parser middleware

Mark for review

Online Exam Quiz

Online

Did you like this Question

Get a 1:1 Mentorship call with our Career Advisor