An organization is concerned about duplicate vendor payments on a complex system with a high volume of
transactions. Which of the following would be MOST helpful to an IS auditor to determine whether duplicate
vendor payments exist?

• A.Computer-assisted technique
• B.Stop-and-go testing
• C.Statistical sampling
• D.Judgmental sampling

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Which of the following systems or tools can recognize that a credit card transaction is more likely to have resulted from a stolen credit card than from the holder of the credit card?

• A.Intrusion detection systems
• B.Data mining techniques
• C.Firewalls
• D.Packet filtering routers

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Which of the following analytical methods would be MOST useful when trying to identify groups with similar behavior or characteristics in a large population?

• A.Deviation detection
• B.Cluster sampling
• C.Random sampling
• D.Classification

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Which of the following is the BEST method for converting a file into a format suitable for data analysis in a forensic investigation?

• A.Imaging
• B.Normalization
• C.Extraction
• D.Data acquisition

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Which of the following is the BEST way to sanitize a hard disk for reuse to ensure the organization's information cannot be accessed?

• A.Degaussing
• B.Formatting
• C.Re-partitioning
• D.Data wiping

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