Your question is Data Accuracy Assurance. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
How would you ensure the accuracy of the data?
Explain a practical process for defining accuracy, validating source data, detecting quality issues, and preventing incorrect data from reaching reports or decisions. Address reconciliation, automated checks, sampling, ownership, and how you would communicate and monitor defects.