CISA Information System Auditing Process Practice Question
During the fieldwork phase, an IS auditor discovers that a control is not operating as designed. The auditor reperforms the control and finds that it is effective. Which of the following conclusions is MOST appropriate?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The control is operating effectively based on the re-performance.
If the auditor's independent re-performance shows the control is effective, the control is operating effectively, despite the initial indication of a deviation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The control is operating effectively based on the re-performance.
Why this is correct
Correct; the re-performance provides direct evidence of effectiveness.
- ✗
The control design is adequate but implementation is weak.
Why it's wrong here
Incorrect; re-performance shows implementation is effective.
- ✗
The re-performance is not sufficient; additional testing is required.
Why it's wrong here
Incorrect; re-performance is a valid procedure and sufficient if it shows effectiveness.
- ✗
The control is not operating effectively because the design was not followed.
Why it's wrong here
Incorrect; re-performance demonstrated effectiveness.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CISA practice question is part of Courseiva's free ISACA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CISA exam.