Microsoft Azure Solutions Architect Expert AZ-305 Practice Question
Your organization stores 80 TB of application log files in a general-purpose v2 Azure Storage account on the hot access tier. Compliance rules mandate two controls:
Deleted blobs must be restorable for up to 365 days.
Data in certain containers must remain immutable-preventing any deletion or modification-for at least five years. You need a cost-effective backup and recovery design that satisfies these requirements without deploying additional infrastructure or third-party products. What should you recommend?
Enable blob soft delete with a 365-day retention period and configure container-level immutable policies with a five-year legal hold on the required containers.
Use Azure Site Recovery to replicate the storage account to a secondary region and enable read-access geo-redundant storage (RA-GRS).
Create nightly AzCopy jobs to copy all blobs to another storage account in the archive tier and use lifecycle management to delete files after five years.
Enable Azure Backup to protect the storage account by sending daily backups to a Recovery Services vault configured for five-year retention.
Enable blob soft delete with a 365-day retention period so that any blobs removed by accident can be undeleted during the one-year window. Then apply a container-level immutable storage policy with a five-year legal hold (or a five-year time-based retention policy) to the required containers. These built-in Azure Blob Storage capabilities meet both the recovery and compliance requirements while avoiding additional services or custom tooling.
The other approaches fail to satisfy at least one requirement:
Azure Backup for blobs requires a Recovery Services vault, adding cost and operational overhead.
Azure Site Recovery cannot replicate standalone storage accounts and does not address restoration of deleted blobs.
Nightly AzCopy jobs plus lifecycle rules introduce operational overhead and do not enforce immutability, leaving data vulnerable to modification or deletion before the copy occurs.
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Microsoft Azure Solutions Architect Expert AZ-305
Design business continuity solutions
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