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RAN-AZ900-00153
Ranvier · AZ900

Exam AZ900 Topics: architecture Difficulty: medium

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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  1. A. The archive tier, because it has the lowest storage cost of any tier and disputes are rare
  2. B. The cool tier, because it is an online tier for infrequently accessed data with a 30-day minimum storage duration
  3. C. The hot tier, because instantly available data must always be stored in the highest tier
  4. D. The cold tier, an online tier for rarely accessed data with fast retrieval and a 90-day minimum storage duration
Reveal answer

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

Ranvier · AZ900

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