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What is the purpose of entry verification?
Which input check ensures that the input is not empty?
Schema validation
Which of the following is a benefit of using input verification checksums?
What does a length check verify?
3. Another type of input validation check is a
check, which verifies that input has a certain length.
Pattern check
Which of the following is NOT a type of input check?
What does a presence check validate?
What can barcodes be used for?
validation
What is the purpose of the Luhn algorithm?
length check
A mathematical algorithm that is used to validate identification numbers, such as credit card numbers, is called the Luhn
.
isbn
A
is a value calculated from data and used to check if the data has been altered or corrupted.
What happens if the calculated checksum doesn't match the received checksum?
What is the purpose of a checksum?
9. Input validation checks can help prevent
and improve data quality.
luhn
