QUESTION 25 Information encrypted with the creator's private key that is used to authenticate the sender is called A) digital signature B) asymmetric encryption. C) digital certificate. D) public key. A. B. QUESTION 26 The control that protects records from errors that occur when two or more users attempt to update the same record simultaneously is called A) cross-footing balance test. B) concurrent update controls. C) data conversion controls. D) recalculation of batch totals. A. B. QUESTION 27 A payroll clerk accidentally entered an employee's hours worked for the week as 380 instead of 38. The data entry control that would best prevent this error would be A) a hash total B) a batch total. C) a field check. D) a limit check. A. B. D