
CISA exam practice question: daily practice for the Certified Information Systems Auditor (CISA) exam — domain: Information Systems Operations and Business Resilience.
Question
As an IS auditor reviewing the organization's annual tabletop testing of its incident response plan, you discover the exercises exclude critical cloud service providers and no formal lessons-learned reports are produced. Which action best enhances the effectiveness of the incident response testing program?
Show the answer and explanation
Correct answer: C. Expand tabletop exercises to include critical third-party dependencies and document lessons learned to update plans
The best action is to expand tabletop exercises to include critical third-party dependencies and document lessons learned to update plans. Effective testing must validate real dependencies (including cloud providers) and capture actionable findings so plans and relationships can be improved. Increasing frequency alone (option 1) may improve familiarity but does not address missing scope or lack of feedback. Replacing exercises with desktop reviews (option 2) reduces realism and the ability to uncover coordination or dependency issues. Requiring sign-off without further testing (option 3) produces declarative assurance but does not validate the plan in practice or correct weaknesses revealed by tests.
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