What is the test data technique? It uses a set of input data to validate system integrity. It requires auditors to prepare both valid and invalid data to examine critical logics and controls of the system. It is an automated technique that enables test data to be continually evaluated during the normal operation of a system. "It uses a set of input data to validate system integrity" and "It requires auditors to prepare both valid and invalid data to examine critical logics and controls of the system" are correct. None of the choices are correct