System Design Fundamentals

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Flashcards Review

Flashcards Review

Use these flashcards to review the key ideas from this chapter before you take the assessment. Each card shows a term or question on the front and a short answer on the back. Try to answer first, then flip to check. The deck covers why plain HTTP cannot push updates, polling and its costs, long-polling, WebSockets, Server-Sent Events, and how to choose between them.

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