1. Explain What is NPM ?
  2. Explain Modules in Node Js ?
  3. What are CommonJs Modules ?
  4. For what require() is used in Node Js ?
  5. Explain module.exports in Node Js ?
  6. Is Node Js Single-threaded ?
  7. What are events ?
  8. Explain event loop in Node Js ?
  9. How to create a simple server in Node js that returns Hello World ?
  10. Difference between cluster and child_process modules?
  11. How to stop master process without suspending all of its child processes?
  12. What does emitter do and what is dispatcher?
  13. Since node is a single threaded process, how to make use of all CPUs?
  14. List some features of Express JS.
  15. Write the steps for setting up an Express JS application.
  16. What do you mean by Express JS?

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