What is clustering in Node.js and when would you use it?
Posted: Sep 30, 2025
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Explain the difference between Buffer and String in Node.js.
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What are the best practices for securing a Node.js application?
Posted: Sep 30, 2025
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How do you optimize the performance of a Node.js application?
Posted: Sep 30, 2025
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Explain the concept of callback hell and how to avoid it.
Posted: Sep 30, 2025
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What is the purpose of package.json and package-lock.json?
Posted: Sep 30, 2025
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How do you handle file uploads in Node.js?
Posted: Sep 30, 2025
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What are the different ways to create a server in Node.js?
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How do you implement real-time communication in Node.js?
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Explain the concept of microservices architecture in Node.js.
Posted: Sep 30, 2025
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What is the difference between spawn(), exec(), and fork() in child_process?
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How do you implement caching in Node.js applications?
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Explain the concept of database connection pooling in Node.js.
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What are the different testing frameworks available for Node.js?
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