Super 15 batch 3 Quiz

What is Express.js?

• A. A database

• B. A JavaScript frontend framework

• C. A Node.js web application framework

• D. A programming language

2. How do you install Express.js?

• A. npm install express

• B. npm install expressjs

• C. node install express

• D. express install

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

• A. express()

• B. createServer()

• C. app()

• D. httpServer()

4. Which middleware parses incoming JSON requests?

• A. express.static

• B. express.json

• C. bodyParser.json

• D. jsonParser

5. What is req.params used for?

• A. To store query string values

• B. To store route parameter values

• C. To access headers

• D. To access cookies

6. Which HTTP method is used to update a resource?

• A. GET

• B. POST

• C. PUT

• D. DELETE

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

• A. app.route()

• B. app.get()

• C. route.get()

• D. express.get()

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

• A. 80

• B. 443

• C. 3000

• D. 8080

9. What does next() do in middleware?

• A. Terminates the request

• B. Passes control to the next middleware

• C. Skips to the last middleware

• D. Sends a response

10. What is the purpose of res.send()?

• A. To redirect the user

• B. To send a file

• C. To send a response to the client

• D. To handle errors