ExpertAZ-305 · Question 23 · Domain 2.3: Recommend a data storage solution
A hospital needs to store 500 TB of patient X-ray images in Azure Blob Storage.
The access pattern is as follows:
- Images are accessed frequently during the first 30 days.
- From day 31 to 180, images are rarely accessed but must be available immediately if requested.
- After 180 days, images are retained for 7 years for compliance but are almost never accessed. Retrieval can take up to 12 hours.
You need to design a storage solution that minimizes costs while meeting performance requirements. What should you recommend?
A hospital needs to store 500 TB of patient X-ray images in Azure Blob Storage.
The access pattern is as follows:
- Images are accessed frequently during the first 30 days.
- From day 31 to 180, images are rarely accessed but must be available immediately if requested.
- After 180 days, images are retained for 7 years for compliance but are almost never accessed. Retrieval can take up to 12 hours.
You need to design a storage solution that minimizes costs while meeting performance requirements. What should you recommend?
Answer options:
Use a General Purpose v2 storage account. Create a lifecycle management policy to move blobs to Cool tier after 30 days, and to Archive tier after 180 days.
Use a Premium Block Blob storage account. Create a lifecycle management policy to move blobs to Cool tier after 30 days, and to Archive tier after 180 days.
Use a General Purpose v2 storage account. Create an Azure Automation runbook to move blobs to Cold tier after 30 days, and to Archive tier after 180 days.
Use a General Purpose v2 storage account set to the Archive tier by default. Move blobs to Hot tier when requested.
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