ある組織は、大量のトランザクションが発生する複雑なシステムでベンダーへの支払いが重複していることを懸念しています。IS 監査人がベンダーへの支払いが重複しているかどうかを判断するために最も役立つのは次のうちどれですか。
正解:A
Comprehensive and Detailed Step-by-Step Explanation:
To efficiently detectduplicate payments,data analyticsand automated checks are required due to thehigh volume of transactions.
* Option A (Correct):Computer-Assisted Audit Techniques (CAATs)allow auditors toautomatically scan large datasetsfor duplicate payments based oninvoice numbers, vendor names, and payment amounts.
* Option B (Incorrect):Stratified samplinggroups data into categories, which helps in analysis but doesnot directly detect duplicates.
* Option C (Incorrect):Statistical samplingis useful forextrapolating results, but it doesnot systematically findduplicate transactions.
* Option D (Incorrect):Process walk-throughsreview procedures but donot analyze transactions at scale.
Reference:ISACA CISA Review Manual -Domain 2: Governance and Management of IT- CoversCAATs, data analytics, and fraud detection techniques.