Microsoft Azure Solutions Architect Expert AZ-305 Practice Question
A media-streaming company keeps 50 TB of video files in a single Azure Storage account. Blobs that are deleted or overwritten must be recoverable for at least 30 days without administrator assistance. If the primary Azure region becomes unavailable, no more than one hour of changes may be lost. The design must minimize ongoing management and avoid extra virtual machines or third-party tools.
Which combination of Azure features should you recommend?
Deploy Azure File Sync with cloud tiering and replicate the files to a secondary on-premises server outside the primary region.
Back up the storage account to Azure Backup and configure the account with locally redundant storage (LRS).
Schedule daily blob snapshots and copy them to another storage account in the same region by using Azure Data Factory.
Enable blob versioning and soft delete with a 30-day retention period, and configure the storage account for read-access geo-redundant storage (RA-GRS) to allow account-level failover.
Enabling blob versioning keeps every write as a previous version, allowing point-in-time recovery for at least 30 days. Soft delete adds an undelete capability within the same retention window. Configuring the account for read-access geo-redundant storage (RA-GRS) asynchronously replicates data to a secondary region; an account-level failover can then limit data loss to the last replication interval, typically well under one hour. This combination meets the requirements without additional infrastructure. Daily snapshots, Azure Backup, or Azure File Sync add unnecessary overhead or fail the regional-outage objective.
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Microsoft Azure Solutions Architect Expert AZ-305
Design business continuity solutions
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