Instruction: Explain how you would build caching without undermining accuracy or privacy.
Context: Assesses whether the candidate can design a practical architecture and explain the main tradeoffs. Explain how you would build caching without undermining accuracy or privacy.
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I would cache only where the validity rules are explicit. Freshness defines how long the result stays usable. Privacy defines which identities may reuse it. Correctness defines what surrounding context must still match for reuse to be safe.
That usually leads to layered caching instead...
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