Which of the following types of data validation editing checks is used to determine if a field contains data, and not zeros or blanks?

Which of the following types of data validation editing checks is used to determine if a field contains data, and not zeros or blanks?

A.
Check digit

B.
Existence check

C.
Completeness check

D.
Reasonableness check

Explanation:
A completeness check is used to determine if a field contains data and not zeros or blanks. A check digit is a digit calculated mathematically to ensure original data were not altered. An existence check also checks entered data for agreement to predetermined criteriA . A reasonableness check matches input to predetermined reasonable limits or occurrence rates.