中等ict-u05-d03
Validation checks that data entered into a database is:
A. Reasonable in form, for example the right type, within range and not missing✓ 答案
B. Copied identically a second time
C. Always collected ethically
D. Encrypted before it is stored
解說
Validation applies rules to the form of the data, such as a date format or a range. Copying a value a second time to catch mistakes is verification, which checks for transcription errors rather than plausibility.