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Question 974 - CISA discussion

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During an external review, an IS auditor observes an inconsistent approach in classifying system criticality within the organization. Which of the following should be recommended as the PRIMARY factor to determine system criticality?

A.
Recovery point objective (RPO)
Answers
A.
Recovery point objective (RPO)
B.
Maximum allowable downtime (MAD)
Answers
B.
Maximum allowable downtime (MAD)
C.
Mean time to restore (MTTR)
Answers
C.
Mean time to restore (MTTR)
D.
Key performance indicators (KPls)
Answers
D.
Key performance indicators (KPls)
Suggested answer: B

Explanation:

The primary factor to determine system criticality is the maximum allowable downtime (MAD), which is the maximum period of time that a system can be unavailable before causing significant damage or risk to the organization. The MAD reflects the business impact and the recovery requirements of the system, and it can be used to prioritize the systems and allocate the resources for disaster recovery planning. The other options are not as important as the MAD, and they may vary depending on the system characteristics and the recovery strategy. The recovery point objective (RPO) is the maximum amount of data loss that is acceptable for a system. The mean time to restore (MTTR) is the average time required to restore a system after a failure.The key performance indicators (KPIs) are metrics that measure the performance and effectiveness of a system.Reference:CISA Review Manual (Digital Version)1, page 468-469.

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asked 18/09/2024
Tiago Carvalho
47 questions
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