Which of the following is the MOST appropriate testing approach when auditing a daily data flow between two systems via an automated interface to confirm that it is complete and accurate?
A.
Conduct code review for both systems and inspect design documentation.
B.
Inspect interface configurations and an example output of the systems.
C.
Confirm that the encryption standard applied to the interface is in line with best practice.
D.
Perform data reconciliation between the two systems for a sample of 25 days.
Data reconciliation involves comparing data from one system with data from another system to ensure consistency and accuracy. By performing data reconciliation for a sample of 25 days, auditors can verify the completeness and accuracy of the daily data flow between the two systems over a representative period.
This approach provides a comprehensive assessment of the automated interface's performance and allows auditors to identify any discrepancies or anomalies that may indicate issues with data integrity or completeness. Additionally, it offers insights into the reliability of the automated data transfer process and helps ensure that the systems are functioning as intended.
I think that option B (Inspect interface configurations and an example output of the systems.) is the correct answer. It directly addresses the completeness and accuracy of the data flow between the systems.
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