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N-Tier Architecture for Status

HardSystem Design00:00
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Your question is N-Tier Architecture for Status. Take a moment with it on the right.

Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).

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Problem

Design an N-Tier architecture for employees to post the daily status.

Asked in the Round 3: Architecture/System Design stage. System architecture design prompt.

Explain how clients submit and retrieve status updates through separated presentation, API, service, data, and infrastructure tiers. Clarify authentication, authorization, validation, persistence, concurrency, availability, observability, and deployment boundaries. Since no traffic, latency, retention, or compliance figures are provided, begin by identifying the assumptions you need before sizing the system.