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Scenarios & trade-offsHardStaff
Your UPI payments app runs in one primary region with a standby in a second Indian region. The primary region goes down at 8 PM. Walk me through what should happen, and what you would have needed to build beforehand.
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CREDPaytmPhonePeRazorpay
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Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.
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