IIA Updated IIA-CIA-Part2 Exam Questions and Answers by roy

The appropriate formula to calculate residual risk is (Probability of events) × (Impacts). Residual risk is the risk that remains after controls are implemented to mitigate the inherent risk. It reflects the remaining exposure after considering the effectiveness of existing controls. This formula takes into account the likelihood of an event occurring and the potential impact if it does occur. References: IIA Practice Guide – Assessing the Adequacy of Risk Management Processes, COSO Framework

The frequency and approach to assessing residual risk are primarily influenced by the expectations set by the board and senior management. These expectations shape the internal audit function's priorities, including how often residual risk should be assessed and the methods used to evaluate it. This ensures that the internal audit activities are aligned with the strategic objectives and risk appetite of the organization, as defined by its senior leadership.

The Institute of Internal Auditors (IIA) - Standards for the Professional Practice of Internal Auditing, Standard 2120 - Risk Management

Skill Gap Identification: Internal auditors lack the necessary expertise in chemical waste disposal.

Consulting Experts: Engaging an external nonaudit expert ensures that the internal audit team receives the necessary technical knowledge to conduct an effective review.

Team Assembly: By assembling a team of internal auditors and consulting an external expert, the organization leverages both internal audit capabilities and external technical expertise.

Ensuring Competence: This approach ensures that the internal audit activity complies with the IIA Standards, specifically Standard 1210 – Proficiency, which requires internal auditors to possess the knowledge, skills, and other competencies needed to perform their responsibilities.

To test the theory that shutdowns are due to outdated purchasing requirements, the auditor should compare the parts needed according to the revised production techniques with the purchase orders generated. This comparison will reveal whether the system has been updated to reflect changes in production techniques, thereby identifying any discrepancies causing the unavailability of parts.

The practice of matching current production estimates with the materials requirements plan (MRP) aligns with standard audit procedures for validating the accuracy and relevance of system-generated purchase orders​​.