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A set of questions and answers covering the core concepts of Node.js.
Practice these questions and get feedbacks! It will help you improve your answer.
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1. What is the purpose of a stream in Node.js?
2. What is the Node.js event loop?
3. What is the difference between a process and a thread in Node.js?
4. What is the difference between a global variable and a local variable in Node.js?
5. What is the difference between a synchronous and asynchronous function?
6. What is the difference between a buffer and a string in Node.js?
7. What is the purpose of the CommonJS module system?
8. What is the purpose of the Node.js package manager (npm)?
9. What is the purpose of the Node.js debugger?
10. What is the difference between a callback and a promise?