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A collection of questions and answers on Node.js async programming.
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1. How do you consume a Promise in Node.js?
2. What is the purpose of the `async` keyword in Node.js?
3. What is the main purpose of using async/await in Node.js?
4. How do you handle errors in async/await code?
5. What is the difference between `Promise.all()` and `Promise.race()`?
6. How do you create a Promise in Node.js?
7. What is the difference between a Promise and an async function?
8. What is the purpose of the `await` keyword in Node.js?
9. What are the benefits of using async/await over callback functions?
10. What is the difference between `callback()` and `async/await`?