What is Node.js primarily used for?

• Desktop applications

• Mobile applications

• Network programs like web servers

• Graphics processing

How does Node.js handle file requests differently than PHP or ASP?

• Node.js waits for the file to be read before handling another request

• Node.js handles file requests synchronously

• Node.js continues handling other requests while the file is being read

• Node.js does not support file handling

What type of programming model does Node.js use?

• Multi-threaded, blocking

• Single-threaded, non-blocking

• Multi-threaded, synchronous

• Single-threaded, blocking

Which of the following tasks can Node.js NOT perform?

• Generating dynamic page content

• Adding, deleting, and modifying data in a database

• Collecting form data

• Running directly on a browser

What is the default file extension for Node.js files?

• .node

• .html

• .js

• .json

Which module in Node.js allows creating a web server?

• fs

• http

• url

• querystring

How do you include the HTTP module in a Node.js file?

• var http = load('http');

• var http = require('http');

• var http = import('http');

• var http = get('http');

Which method is used to create an HTTP server in Node.js?

• createServer()

• httpServer()

• serverCreate()

• nodeServer()

What is the default port number used in the Node.js example for running a server?

• 3000

• 8080

• 8000

• 80

How do you stop a running Node.js server from the command line?

• exit server

• Control + C

• Control + Z

• stop server