Which of the following is a data validation edit and control?
A. Hash totals
B. Reasonableness checks
C. Online access controls
D. Before and after image reporting
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Answer: B
A reasonableness check is a data validation edit and
control, used to ensure that data conforms to predetermined
criteria. Before and after image reporting is a control over
data files that makes it possible to trace changes. Online
access controls are designed to prevent unauthorized access
to the system and data. A hash total is a total of any
numeric data field or series of data elements in a data
file. This total is checked against a control total of the
same field or fields to ensure completeness of processing.
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