1. What is an error-first callback in Node.js?
  2. Explain the purpose of module.exports?
  3. What do you understand by Reactor Pattern in Node.js?
  4. What’s the difference between ‘front-end’ and ‘back-end’ development?
  5. What are LTS releases of Node.js?
  6. List down the major security implementations within Node.js?
  7. Explain the concept of middleware in Node.js?
  8. Explain the concept of URL module.
  9. Differentiate between spawn() and fork() methods in Node.js?
  10. What do you understand by global objects in Node.js?
  11. Explain the concept of stub in Node.js.
  12. How assert works in Node.js?
  13. Explain the purpose of ExpressJS package?
  14. Explain the usage of a buffer class in Node.js?
  15. How does Node.js handle the child threads?
  16. Explain stream in Node.js along with its various types.
  17. What is the use of NODE_ENV?

TOP MNC NODE JS INTERVIEW QUESTIONS