To understand what "White List" data validation means, the user needs to know the basics of data validation and filtering.
"White List" data validation refers to the process of validating data against a list of values that are known to be valid. This means that the data is filtered and compared against a pre-defined list of acceptable values. If the data matches any of the values on the list, it is considered valid. If it does not match any of the values on the list, it is considered invalid.
Option A is the correct answer, as it accurately describes what "White List" data validation means.
Option B is incorrect, as it describes the opposite of what "White List" data validation means.
Option C is incorrect because it includes option B, which is incorrect.
Option D is also incorrect because "White List" data validation is a real concept and option A accurately describes it.