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AZ-305 · Compute design

Practice question 239 of 400 · easy

A stateless image-processing VM can be rebuilt completely from a controlled image. It needs fast reimaging and keeps results in Blob Storage. Which OS disk design fits?

Choose the single best answer.

  1. A.A supported ephemeral OS disk
  2. B.A Premium SSD v2 OS disk
  3. C.An Ultra Disk OS disk
  4. D.The temporary disk as the only permanent output store
Show the answer and explanation

✓ Correct answer

  • A supported ephemeral OS disk

An ephemeral OS disk fits replaceable stateless instances whose state is external. Ultra Disk and Premium SSD v2 are data-disk options, not OS disks; storing the only output on temporary local storage contradicts durability. Source guide: PDF page(s) 44-45.

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