A credit card company detects potential errors in credit card numbers by checking whether all entered numbers contain the correct amount of digits. This is an example of which of the following IT controls?
This control is just counting the number of digits (e.g. 15 digits for VISA/Master means some errors), so it is before the check digit control.
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Maciec
2 months, 1 week agoGuest4768
2 months, 1 week ago