A procedural control used in the management of a computer center to minimize the possibility of data or program file destruction through operator error includes
A. External labels.
B. Crossfooting tests.
C. Control figures.
D. Limit checks.
Answer:
A is corrent because external labels will prevent file destruction by properly identifying each file.
B is incorrect because crossfooting tests address the accuracy of information on a file, not the physical security of a program file.
C is incorrect because control figures address the accuracy of information on a file, not the physical security of a program file.
D is incorrect because limit checks address the accuracy of information on a file, not the physical security of a program file.