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‫(calm music)

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‫Now, before we dive really deep

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‫into Node.js, Express, databases and more,

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‫it's important to get a good understanding

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‫of back end development in general,

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‫because that's what we actually use Node.js for

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‫in this course.

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‫So you're gonna learn things like how the web works,

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‫the request-response model, HTTP, TCP/IP,

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‫static versus dynamic websites, what APIs are,

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‫(chuckles) and much more.

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‫And I hope that with the sections,

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‫some of the things that we did in the last one

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‫will then start to make more sense.

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‫(gentle upbeat music)