Which of the following best describes the purpose of an "Audit Trail" in DISS?

The purpose of an "Audit Trail" in DISS is primarily to provide a comprehensive history of actions taken within the system, which is essential for compliance and accountability. An audit trail records user activities, such as changes made to data, who made those changes, and when they occurred. This information is critical in regulatory environments where organizations must demonstrate adherence to various standards, policies, and legal requirements.

Furthermore, the transparency offered by an audit trail allows organizations to track irregularities or unauthorized actions, thereby enhancing accountability among users. Such documentation can also serve as an important resource during audits or investigations, ensuring that there is a clear record of who accessed what information and the actions they took.

In contrast, monitoring system performance, facilitating user-interface improvements, or limiting access to sensitive data do not directly align with the primary function of an audit trail, which centers around tracking and documenting user actions for compliance and accountability purposes.