CISA Exam Preparation:

Post-Implementation Review

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Question

Which of the following should an IS auditor be MOST concerned with during a post-implementation review?

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Explanations

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A. B. C. D.

A.

During a post-implementation review, an IS auditor should be most concerned with assessing whether the implemented system meets the business requirements and objectives as well as whether the system is functioning efficiently and effectively. This includes identifying any risks or issues that may impact the system's ability to deliver the desired outcomes.

Out of the options given, the IS auditor should be most concerned with option A, "The system does not have a maintenance plan." A maintenance plan is crucial for ensuring the ongoing operation and maintenance of the system, including performing updates and resolving issues that arise during the system's lifecycle. Without a maintenance plan, the system may become outdated, unstable, and susceptible to cyber-attacks or other security vulnerabilities, which may result in data loss or system downtime.

Option B, "The system contains several minor defects," may also be a concern; however, this would depend on the nature and severity of the defects. If the defects are minor and do not impact the system's functionality or security, they may not be a significant concern.

Option C, "The system was over budget by 15%," is also a concern, but it is not as critical as option A. While it is important to manage the project's budget, a 15% overage may not necessarily indicate a significant issue with the system's implementation, particularly if the overage was due to unforeseeable circumstances.

Option D, "The system deployment was delayed by three weeks," may also be a concern, but again, it would depend on the reason for the delay. If the delay was due to unforeseeable circumstances, such as a natural disaster, it may not be a significant issue. However, if the delay was due to poor project management or planning, it may indicate broader issues with the implementation process.

Overall, an IS auditor should focus on identifying any issues or risks that may impact the system's ability to deliver the desired outcomes during a post-implementation review, and option A, "The system does not have a maintenance plan," is the most critical concern out of the options given.