Node.js Interview Questions
- What is Node.js and what are its key features?
- How does Node.js differ from traditional server-side languages like Java or PHP?
- What is NPM and what is its role in Node.js?
- How do you handle asynchronous operations in Node.js?
- What is the difference between blocking and non-blocking I/O in Node.js?
- How do you create a server in Node.js?
- What is the purpose of the package.json file in a Node.js project?
- How do you handle errors in Node.js?
- What is the difference between Node.js' require and ES6 import?
- How do you read and write files in Node.js?
- What is middleware in Node.js and how is it used?
- How do you handle form data in Node.js?
- What is the purpose of the fs module in Node.js?
- How do you make HTTP requests in Node.js?
- What is the purpose of streams in Node.js?
- How do you perform authentication and authorization in Node.js?
- What is clustering in Node.js and why is it useful?
- How do you handle sessions and cookies in Node.js?
- What is the event-driven architecture in Node.js?
- How do you deploy a Node.js application to a production server?