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Exam CISA Topic 1 Question 507 Discussion
Actual exam question for ISACA's CISA exam
Question #: 507
Topic #: 1
Question #: 507
Topic #: 1
An organization is implementing a new system that supports a month-end business process. Which of the following implementation strategies would be MOST efficient to decrease business downtime?
Suggested Answer: B Vote an answer
Comprehensive and Detailed Step-by-Step Explanation:
Minimizing business downtime is critical when implementing a new system that supports an essential process like month-end closing.
* Option A (Incorrect):Thebig bang approachinvolves replacing the old system with the new system all at once. This method carries ahigh riskbecause if issues arise, they may causesignificant downtime and disruption.
* Option B (Correct):Aphased approachgradually implements the system in stages, allowing users to adaptand minimizing the risk of complete failure. This strategy is ideal for critical systems that cannot afford extended downtime.
* Option C (Incorrect):Thecutover approachis a variation of big bang, where the old system is shut down, and the new system is activated. This method isriskyfor month-end processes because errors can causebusiness delays.
* Option D (Incorrect):Theparallel approachruns both old and new systems simultaneously to verify accuracy, but it isresource-intensiveand may not be practical for a high-volume month-end process.
Reference:ISACA CISA Review Manual -Domain 3: Information Systems Acquisition, Development, and Implementation- Covers system implementation strategies, risk management, and best practices.
Minimizing business downtime is critical when implementing a new system that supports an essential process like month-end closing.
* Option A (Incorrect):Thebig bang approachinvolves replacing the old system with the new system all at once. This method carries ahigh riskbecause if issues arise, they may causesignificant downtime and disruption.
* Option B (Correct):Aphased approachgradually implements the system in stages, allowing users to adaptand minimizing the risk of complete failure. This strategy is ideal for critical systems that cannot afford extended downtime.
* Option C (Incorrect):Thecutover approachis a variation of big bang, where the old system is shut down, and the new system is activated. This method isriskyfor month-end processes because errors can causebusiness delays.
* Option D (Incorrect):Theparallel approachruns both old and new systems simultaneously to verify accuracy, but it isresource-intensiveand may not be practical for a high-volume month-end process.
Reference:ISACA CISA Review Manual -Domain 3: Information Systems Acquisition, Development, and Implementation- Covers system implementation strategies, risk management, and best practices.
by Spencer at Jun 10, 2026, 06:03 PM
Here are all the actual test exam dumps for IT exams. Most people prepare for the actual exams with our test dumps to pass their exams. So it's critical to choose and actual test pdf to succeed.
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