Quiz | Croma Campus

What does res.send() 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

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

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

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

http
express
fs
path

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Which command is used to install Express.js globally?

npm install express
npm install -g express-generator
npm install -g express
npm install -g express.js

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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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How do you handle HTTPS in Express.js?

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

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Which template engine is commonly used with Express.js?

Pug
Handlebars
EJS
All of the above

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How do you end the response process?

res.end()
res.terminate()
res.finish()
res.close()

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

To handle HTTP GET requests
To define middleware functions
To serve static files
To render views

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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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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'))

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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

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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 handle multipart/form-data in Express.js?

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

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

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

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How do you log requests in Express.js?

Using morgan middleware
Using pino middleware
Using bunyan middleware
Using winston middleware

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Which method is used to send a file as a response?

res.file()
res.serveFile()
res.sendFile()
res.send()

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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 include middleware only for certain routes in Express.js?

By specifying middleware in the route handler function
By using the app.use() method before defining the routes
By using the app.route() method
By using the app.use() method with a path parameter

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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 access query string parameters in Express.js?

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

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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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What is the default port number for an Express.js server?

3000
8080
8080
5000

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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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How do you remove a route in Express.js?

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

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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

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What is Express.js?

A front-end framework
A database management system
A CSS library
A web framework for Node.js

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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')

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