Interview Question No. 1 for Node JS : Can you explain the event-driven architecture in Node.js and how it differs from traditional server-side environments?

Interview Question No. 2 for Node JS : What is the role of npm in Node.js development, and how do you manage dependencies effectively using npm?

Interview Question No. 3 for Node JS : Can you discuss the importance of asynchronous programming in Node.js, and how do you handle asynchronous operations?

Interview Question No. 4 for Node JS : How does Node.js handle I/O operations efficiently, especially in scenarios involving file system access or network requests?

Interview Question No. 5 for Node JS : What are the common security concerns in Node.js applications, and how do you mitigate them?

Interview Question No. 6 for Node JS : Can you explain the concept of middleware in Express.js and provide examples of when and how you would use middleware in a Node.js application?

Interview Question No. 7 for Node JS : What is the significance of the ‘require’ function in Node.js, and how does it contribute to modularization and code organization?

Interview Question No. 8 for Node JS : How do you debug Node.js applications, and what tools or techniques do you use for troubleshooting?

Interview Question No. 9 for Node JS : Can you discuss the advantages and disadvantages of using callbacks, promises, and async/await for handling asynchronous operations in Node.js?

Interview Question No. 10 for Node JS : What are streams in Node.js, and how do you utilize them for efficient data processing, especially in scenarios involving large datasets?

Interview Question No. 11 for Node JS : How do you optimize the performance of Node.js applications, considering factors such as memory management, CPU utilization, and event loop efficiency?

Interview Question No. 12 for Node JS : Can you explain the concept of clustering in Node.js, and how do you implement clustering to leverage multi-core processors for improved performance?

Interview Question No. 13 for Node JS : What are the different testing strategies available for Node.js applications, and how do you ensure comprehensive test coverage in your projects?

Interview Question No. 14 for Node JS : How do you handle error handling and logging in Node.js applications, and what best practices do you follow to ensure robustness and maintainability?

Interview Question No. 15 for Node JS : Can you discuss the role of package.json in Node.js projects, and what information does it contain? How do you customize package.json for your projects?

Interview Question No. 16 for Node JS : What are the differences between RESTful APIs and GraphQL, and when would you choose one over the other for building APIs in Node.js?

Interview Question No. 17 for Node JS : Can you explain the concept of middleware in Express.js and provide examples of when and how you would use middleware in a Node.js application?

Interview Question No. 18 for Node JS : How do you ensure scalability in Node.js applications, especially in scenarios involving high traffic or concurrent connections?

Interview Question No. 19 for Node JS : Can you discuss the role of event emitters in Node.js, and how do you utilize them for building event-driven applications?

Interview Question No. 20 for Node JS : How do you manage session and authentication in Node.js applications, and what are the commonly used strategies for implementing user authentication and authorization?

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