Certified Information Systems Auditor (CISA) — Question 239

An IS auditor assesses an organization's backup management practices for optimization potential. Which of the following features of a regular backup tape reorganization job BEST enables the organization to realize cost savings?

Answer options

• A. Refreshed data written on tapes
• B. Rotation of backup tapes
• C. Decommissioning of old tapes
• D. Defragmentation of data on tapes

Correct answer: B

Explanation

The correct answer is B because rotating backup tapes ensures that the usage of tapes is optimized, extending their lifespan and reducing the need for new purchases. Options A and C do not directly contribute to cost savings in the same way, and D, while beneficial for performance, does not impact cost in a significant manner.