Company.com needs to implement a high availability model for its mission critical datA. Cost is
important, but the solution must meet the following criteria:
1) Data can never be offline for more than 10 minutes, even after a failure
2) Databases must be on line during backups.
3) The company is using RAID 5 and must guard against double disk failure
Which option is the most cost effective strategy and fulfils the constraints?

A.
Create a split mirror snapshot and use as a hot backup

B.
Create a copy on write snapshot and use as a hot backup

C.
Create a split mirror snapshot and backup the snapshot to tape

D.
Create a copy on write snapshot and backup the snapshot to tape