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Alright, starting off with Node.js interview questions! This looks like a solid way to prep for technical interviews, especially if Node is part of the stack.

That's a good point about Node being a suite of technologies rather than just one thing. It really does feel like that sometimes, and it can make it a bit harder to define concisely, which is why these interview questions are so helpful.

Okay, so Node.js is a server-side JavaScript runtime built on Chrome's V8 engine – that's the core definition. The event-driven and non-blocking aspects are key to its scalability for web apps.

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The video introduces Node.js as a server-side JavaScript runtime environment, built on Chrome's V8 engine, emphasizing its event-driven and non-blocking nature for building scalable web applications [0:16, 0:32]. A key interview concept explored early on involves distinguishing between URL parameters and query strings [0:49]. Parameters are typically part of the path, like a book ID in a URL such as `/books/1` [1:22], whereas query strings follow a question mark and often define filtering or sorting criteria, like `?sort=highest` [1:38]. Understanding this distinction is fundamental to how web requests are structured and processed.

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