Quiz | Croma Campus

Which method is used to handle errors in Express.js middleware?

app.error()
app.catchError()
app.catchError()
app.use()

Mark for review

Which of the following is true about Express.js?

It is a monolithic framework.
It provides built-in support for database management.
It is a minimal and flexible framework.
It is only suitable for front-end development

Mark for review

What is the default port for an Express.js application?

5000
3000
80
8080

Mark for review

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

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

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

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

Mark for review

Which HTTP method is NOT supported by Express.js?

GET
TRACE
DELETE
POST

Mark for review

How do you install Express.js?

fetch express
install express
npm install express
get express

Mark for review

How do you create a sub-application in Express.js?

Using express.SubApp()
Using express.Application()
Using express.Router()
Using express.SubRouter()

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

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

What does req represent in Express.js?

Render
Request
Route
Response

Mark for review

Which method is used to start an Express.js server?

express.start()
server.run()
app.listen()
app.start

Mark for review

How do you remove a route in Express.js?

app.removeRoute()
app.dropRoute()
app.deleteRoute()
There's no built-in method to remove routes

Mark for review

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

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

Mark for review

Which template engine is commonly used with Express.js?

Pug
Handlebars
EJS
All of the above

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

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

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

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

Mark for review

How do you handle HTTPS in Express.js?

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

Mark for review

Which method is used to define middleware functions in Express.js?

app.use()
app.get()
app.post()
app.useMiddleware()

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

What does res.redirect() do in Express.js?

Sends a response with the specified status code
Sends a response with the specified content
Redirects the request to another URL
Terminates the request without sending any response

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 set a cookie in Express.js?

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

Mark for review

What is the purpose of the app.locals object in Express.js?

To store local variables available in templates
To handle HTTP requests
To define middleware functions
To render views

Mark for review

Which module is used to create a server in Express.js?

http
express
fs
path

Mark for review

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

GET
POST
PUT
DELETE

Mark for review

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

Mark for review

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

GET
POST
PUT
DELETE

Mark for review

Online Exam Quiz

Online

Did you like this Question

Get a 1:1 Mentorship call with our Career Advisor