The contribution of recovery point objective (RPO) to disaster recovery is to:
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A. B. C. D.D.
The recovery point objective (RPO) is a critical concept in disaster recovery planning. It is defined as the maximum amount of data loss that an organization is willing to accept in the event of a disaster.
In other words, RPO is the point in time to which an organization is willing and able to recover data following a disaster or outage. The RPO is typically expressed in terms of time (e.g., 1 hour, 4 hours, 24 hours) and reflects the business's tolerance for data loss.
The contribution of RPO to disaster recovery is that it helps to define the backup strategy that an organization should adopt. Specifically, the RPO sets the baseline for the frequency of backups that need to be taken to ensure that the data can be recovered to the desired point in time following a disaster.
For example, if the RPO is set at 4 hours, then backups need to be taken at least every 4 hours to ensure that the data loss is minimized and the organization can recover the data to a point within that 4-hour timeframe.
Therefore, option A "define backup strategy" is the correct answer as RPO defines the frequency of backups needed for disaster recovery, which in turn helps to determine the backup strategy an organization should adopt.
Eliminating single points of failure (option B) and reducing mean time between failures (MTBF) (option C) are also important objectives in disaster recovery planning. However, they are not directly related to the contribution of RPO to disaster recovery.
Minimizing outage period (option D) is another important objective in disaster recovery planning. However, while RPO can help to minimize the outage period by ensuring that backups are taken frequently enough to recover the data to a desired point in time, it is not the primary objective of RPO.