Free Access ISACA.CISA.v2026-02-11.q999 Practice Test (Page 175)

Question 866

Which of the following is the BEST indicator of the effectiveness of signature-based intrusion detection
systems?

A.An increase in the number of identified false positives

B.An increase in the number of unfamiliar sources of intruders

C.An increase in the number of detected incidents not previously identified

D.An increase in the number of internally reported critical incidents

Question 867

Which of the following message services provides the strongest evidence that a specific action has occurred?

A.Proof of delivery

B.Nonrepudiation

C.Proof of submission

D.Message origin authentication

Question 868

A change to the scope of an IT project has been formally submitted to the project manager. What should
the project manager do NEXT?

A.Update the project plan to reflect the change in scope

B.Discuss the change with the project team and determine if it should be approved

C.Escalate the change to the change advisory board for approval

D.Determine how the change will affect the schedule and budget

Question 869

An organization is planning to re-purpose workstations that were used to handle confidential information. Which of the following would be the IS auditor's BEST recommendation to dispose of this information?

A.Delete the disk partitions.

B.Overwrite the disks with random data.

C.Erase the disks by degaussing.

D.Reformat the disks.

Question 870

An IS auditor noted that a change to a critical calculation was placed into the production environment without being tested. Which of the following is the BEST way to obtain assurance that the calculation functions correctly?

A.Interview the lead system developer.

B.Perform substantive testing using computer-assisted audit techniques (CAATs).

C.Check regular execution of the calculation batch job.

D.Obtain post-change approval from management.

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Question 866

Question 867

Question 868

Question 869

Question 870

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