beginnerHLD Fundamentals & Scalability
What are Functional Requirements vs Non-Functional Requirements?
Tests whether you know to separate what a system does from how well it needs to do it (latency, scale, availability).
Ready to design this system end to end?
Generate a complete, structured system design answer — requirements, capacity estimation, API design, architecture, database choice, scaling, caching, fault tolerance, security, trade-offs, and more, walked through the way a strong senior engineer would in a real interview.
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