Express.js Hello World MCQ | Express.js First Program Multiple Choice Questions

Direction: Choose the correct option

How do you create an Express application instance?

A. const app = http.createServer();

B. const app = new Express();

C. const app = require('express');

D. const app = express();

Direction: Choose the correct option

Which method starts the server and listens for connections?

A. app.serve()

B. app.start()

C. app.listen()

D. app.run()

Direction: Choose the correct option

What is the default port commonly used in Express examples?

A. 8080

B. 3000

C. 5000

D. 80

Direction: Choose the correct option

What does app.get('/') do?

A. It defines a route handler for HTTP GET requests to the root path

B. It starts the server

C. It serves a file named index.html

D. It retrieves data from a database

Direction: Choose the correct option

What does res.send() do?

A. Sends a JSON object

B. Sends the HTTP response

C. Sends a redirect

D. Sends a file

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