A utility company must retain meter-reading exports for 90 days. During that period the exports are read only rarely, mainly to investigate billing disputes, but whenever a dispute arrives the data must be readable immediately. The team wants the lowest storage cost that still allows instant reads. Which access tier is the best fit?
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Correct answer: The cold tier, an online tier for rarely accessed data with fast retrieval and a 90-day minimum storage duration
Reference: https://learn.microsoft.com/en-us/azure/storage/blobs/access-tiers-overview
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Official Answer (D): The cold tier, an online tier for rarely accessed data with fast retrieval and a 90-day minimum storage duration
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