Microsoft Azure Solutions Architect Expert AZ-305 Practice Question
You manage an application that stores 100 TB of image and video files in an Azure Storage account using the hot access tier and GRS replication. Compliance rules state that users must be able to recover any blob that is accidentally deleted or overwritten for at least 30 days. You need a solution that meets this requirement while adding the least operational overhead and avoiding creation of separate backup copies. What should you recommend?
Enable Azure Backup for the storage account with daily point-in-time backups retained for 30 days.
Switch replication to RA-GZRS and enable Change Feed on the storage account.
Enable soft delete for blobs and turn on blob versioning with a 30-day retention policy.
Configure Azure Site Recovery to replicate the storage account to a secondary region.
Enabling soft delete together with blob versioning meets the requirement by automatically retaining deleted or overwritten blob versions for a configurable period (30 days in this scenario). The original data remains in the same storage account, so no additional backup infrastructure or separate copies are required, keeping operational effort and costs low.
Azure Backup for Blob Storage introduces additional management components and still relies on snapshots stored as separate copies. Azure Site Recovery does not protect standalone storage accounts. Changing to RA-GZRS with Change Feed improves durability and auditing but does not provide a restore path after accidental deletions or overwrites.
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Microsoft Azure Solutions Architect Expert AZ-305
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