Company.com needs to protect against data corruption. You must assume that it could take the
company up to three hours to determine that their data is corrupted. They want to have a snapshot
every hour. The production data is not write intensive. If a split mirror snapshot is used,
incremental establishment takes 15 minutes. Which solution fulfils their needs and is the most cost
effective?

A.
Create a COW snapshot every hour. Always keep three snapshots

B.
Create a COW snapshot every hour. Always keep four snapshots

C.
Incrementally establish a split mirror snapshot every hour.Rortate using four snapshot volumes.

D.
Incrementally establish a split mirror snapshot every 45 minutes. Rotate using five snapshots
volumes.