A RACI (responsible, accountable, consult, and inform) chart is the tool that an internal auditor should use to determine whether all principal stakeholders are involved in a project. A RACI chart clearly defines roles and responsibilities for each task or deliverable in a project, ensuring that all necessary stakeholders are identified and their involvement is appropriately documented.
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IIA Practice Guide: Auditing Project Management Activities
IIA Standards: 2201 - Planning Considerations

Physically inspecting a sample of completed processing cycles for defective products provides direct evidence of the effectiveness of the quality control process. This method allows the internal auditor to observe firsthand whether defective products are being identified and removed prior to shipment, ensuring that the process operates as intended. This approach is more reliable than survey results or management reports, which may be subject to bias or inaccuracies.
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The Institute of Internal Auditors (IIA) - Standards for the Professional Practice of Internal Auditing, Standard
2320 - Analysis and Evaluation

Developing a tracking system to monitor the status of engagement recommendations ensures that the chief audit executive (CAE) can systematically track the progress and implementation of corrective actions. This approach provides continuous assurance that recommendations are being acted upon and allows the CAE to identify and address any delays or issues in the implementation process. It is a proactive strategy that enables regular follow-ups and reporting to senior management, thus maintaining accountability and transparency.
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The Institute of Internal Auditors (IIA) - Standards for the Professional Practice of Internal Auditing, Standard
2500 - Monitoring Progress

According to IIA guidance, the auditor in charge should consider the number, experience, and availability of audit staff as well as the nature, complexity, and time constraints of the engagement when determining resource requirements. These factors ensure that the engagement is staffed appropriately and that the audit team has the necessary skills and time to perform the audit effectively.
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IIA Standards: 2230 - Engagement Resource Allocation
IIA Practice Guide: Coordination and Reliance: Developing an Assurance Map

* A. Review a random sample of concluded disciplinary reports to assess how the policy was applied in each case:This is the correct answer because reviewing documented reports provides objective evidence of whether decisions complied with policies. This approach ensures that the auditor relies on concrete evidence rather than subjective opinions or observations.
* B. Interview a sample of impacted employees for their opinions on the clarity and fairness of the policy:While employee feedback is valuable, it is subjective and does not provide sufficient evidence of compliance with the documented policy.
* C. Observe several disciplinary hearings to determine whether they are in compliance with the policy:Observations are limited to current proceedings and do not account for how policies were applied in past cases, making this approach less comprehensive.
* D. Conduct an interview to assess the disciplinary hearing chairman's understanding of the policy and its appropriate use:Interviews provide insight into understanding and intent but do not offer evidence of actual compliance.
CIA Exam Syllabus Reference:
Domain V: Performing Internal Audit Services - Evidence Collection and Assessment Methods.