Quiz | Croma Campus

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

GET
POST
PUT
DELETE

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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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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 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.locals object in Express.js?

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

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How do you listen for server events in Express.js?

Using express.events
Using app.events
Using Node.js's built-in events module
Using express.listeners

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How do you reload an Express.js server without restarting it manually?

Using nodemon
Using reloader
Using express-reload
Using auto-restart

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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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How do you define a dynamic route in Express.js?

By using regular expressions
By appending a colon : before the parameter name in the route definition
By specifying the route parameter in the request body
By using the req.params object

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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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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 handle authentication
To render views

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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 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 default port for an Express.js application?

5000
3000
80
8080

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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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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 app.all() method in Express.js?

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

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How do you access route parameters in Express.js?

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

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

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

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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 create a modular route in Express.js?

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

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How do you handle JSON Web Tokens (JWT) in Express.js?

Using jsonwebtoken middleware
Using express-jwt middleware
Using express-token middleware
Using jwt-express middleware

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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 can you pass parameters in an Express.js route?

Using the query string
Using the request body
Using route parameters
All of the above

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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)

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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

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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 install Express.js?

fetch express
install express
npm install express
get express

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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 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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