Discover why periodic restoration of backup media is crucial for effective disaster recovery. Learn key strategies for data backup and recovery in the context of the ISACA CISA certification exam.
Table of Contents
Question
Which of the following controls is MOST crucial to ensure an organization will be able to recover its data from backup media in the event of a disaster?
A. Keeping a current inventory of backup media
B. Encrypting data on backup media
C. Periodically restoring backup media for key databases
D. Storing backup media at an offsite facility
Answer
C. Periodically restoring backup media for key databases
Explanation
The most crucial control to ensure an organization will be able to recover its data from backup media in the event of a disaster is Option C: Periodically restoring backup media for key databases.
While all the options listed are important aspects of a comprehensive backup strategy, the ability to restore data from backup is paramount. Regularly testing the restoration process ensures that the backups are not only being performed correctly but also that they can be relied upon when needed. This includes verifying that the data is intact and usable, and that the restoration process itself functions as expected.
Without periodic restoration tests, an organization may find that its backups are corrupted, incomplete, or otherwise unusable when a disaster occurs. This could lead to significant data loss and operational disruption. Therefore, periodic restoration of backup media for key databases is the most crucial control in this context.
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