A storage account must tolerate a primary-region zone failure and keep a geographic copy; supported secondary Blob reads before failover are also required. Which option best matches?

Choose the single best answer.

A.GRS without read-access support
B.ZRS without geographic replication
C.RA-GZRS
D.LRS

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✓ Correct answer

RA-GZRS

RA-GZRS combines primary ZRS, asynchronous geographic copies, and supported secondary reads. LRS lacks zone/geographic separation; ZRS lacks a region copy; plain GRS lacks primary zone redundancy and pre-failover read-access behavior. Source guide: PDF page 28-29.

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