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Exam CISA topic 1 question 704 discussion

Actual exam question from Isaca's CISA
Question #: 704
Topic #: 1
[All CISA Questions]

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. Maximum allowable downtime (MAD)
  • B. Mean time to restore (MTTR)
  • C. Recovery point objective (RPO)
  • D. Key performance indicators (KPIs)
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Suggested Answer: A 🗳️
by Hayati at Aug. 13, 2024, 2:10 a.m.

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PurpleParrot
3 months, 1 week ago
Selected Answer: A
This refers to the total time a system can be unavailable before causing unacceptable consequences for the organization. It directly relates to how critical a system is to business operations. A system with a shorter MAD is more critical because its downtime needs to be minimized to avoid significant impact on the organization.
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Hayati
3 months, 1 week ago
Why not D?
upvoted 1 times
PurpleParrot
3 months, 1 week ago
KPIs measure how well systems are performing but don't directly indicate the criticality of a system to the organization’s overall business operations. Think of BIA and then the answer will only be A
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C (25%)
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