Microsoft Azure Solutions Architect Expert AZ-305 Practice Question
Your company stores 500 TB of application log files as block blobs in an Azure Storage GPv2 account. Compliance rules require the ability to restore an entire container to any point in time within the last 30 days in case of accidental deletes or overwrites. The solution must meet the following business requirements:
No changes to the existing application code
Management through Azure portal and support for policy-based scheduling
Lowest possible operational overhead; no additional infrastructure should be deployed
Which solution should you recommend to meet these requirements?
Create a second storage account configured for RA-GRS and use lifecycle management rules to copy blobs to the secondary account.
Enable Azure Blob Storage backup in Azure Backup and apply a daily backup policy that retains recovery points for 30 days.
Enable blob soft delete and container soft delete on the existing storage account with a 30-day retention period.
Configure Azure Site Recovery (ASR) to replicate the storage account to a secondary region.
Azure Backup includes native support for protecting Azure Blob Storage. Enabling the Azure Blob Storage backup feature on a storage account is an agent-less, policy-based approach that requires no additional infrastructure. The service takes incremental snapshots and maintains them for the configured retention period, allowing administrators to restore an entire container (or selected blobs) to any point in time within that window.
Enabling only blob or container soft delete protects against deletions but does not provide point-in-time recovery from data corruption or overwrite scenarios, and restores are object-by-object. Azure Site Recovery cannot replicate standalone storage accounts. Manually copying data to a second RA-GRS account with lifecycle rules provides geo-redundancy but lacks point-in-time consistency and requires custom scripting and management overhead. Therefore, configuring Azure Blob Storage backup with a 30-day retention policy best satisfies all stated requirements.
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Microsoft Azure Solutions Architect Expert AZ-305
Design business continuity solutions
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