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QuestionQ16

Scaling with Google Cloud Operations

An organization keeps backup files in Cloud Storage. The files are accessed once each year to test disaster-recovery plans. Which storage class is the most cost-effective?

Explanation

Archive storage class is most cost-effective for infrequently accessed data with annual access patterns. While Archive has the lowest per-GB storage cost, it carries higher retrieval charges; for disaster-recovery testing accessed once yearly, the storage cost dominates, making Archive the most economical choice. Coldline is appropriate for quarterly or more frequent access patterns.

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