Which of the following strategies for professional development best demonstrates an internal auditor’s competency'?

The strategy for professional development that best demonstrates an internal auditor’s competency is the creation and adherence to professional development and training plans. Such plans are tailored to the auditor's needs and goals and include a variety of learning activities and programs designed to maintain and enhance their auditing competencies. This comprehensive approach ensures continuous improvement and relevancy in the profession.

IIA's guidelines on Continuing Professional Development and standards for maintaining competency.