What is a recovery time objective?

A.
how quickly the customer must be able to restore data after a disaster

B.
the amount of time the customer can afford to take applications offline each night for performing
backups

C.
the number of hours per year that a customer’s systems are unavailable

D.
the point in time to which you must recover data in a disaster situation

Explanation:

Reference:
http://en.wikipedia.org/wiki/Recovery_time_objective