Which statement about RPO is true?

A.
RPO is the point in time relative to the failure to which you need preservation of data.

B.
RPO is the maximum tolerable length that a storage system can be down after a disaster
occurs.

C.
RPO is the duration of time and a service level within which a business process must be
restored after a disaster.

D.
RPO attaches to the business process and not to the resources required to support the
process.

Explanation: