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Timed mock · Cloud Architecture
45 minutes, split the way the real round is. Answer first, then compare.
The interviewer says
A team of four is about to build a new internal reporting API. Traffic is near zero overnight, heavy for two hours each morning, and spikes hard at month end. Most requests finish in under a second, but one month-end report runs for about eight minutes and holds several gigabytes in memory. Decide how it should run: virtual machines, containers on a managed orchestrator, or serverless. Justify the choice from the requirements and say what would make you change it.
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