Quiz Complete, well Done!
What does ISBN stand for?
9. Input validation checks can help prevent
and improve data quality.
What does the checksum digit in an ISBN represent?
Which of the following is a benefit of using input verification checksums?
length check
The International Standard Book Number (ISBN) is a unique identifier for books and is typically a 10 or 13 digit number. It is used to identify
.
What is the purpose of the Luhn algorithm?
What is the purpose of entry verification?
The process of confirming that the data entered into a system is accurate and correct is called
verification.
A mathematical algorithm that is used to validate identification numbers, such as credit card numbers, is called the Luhn
.
What happens if the calculated checksum doesn't match the received checksum?
checksum
barcode
What can barcodes be used for?
6. The purpose of a
check is to prevent input that is outside of acceptable limits.
1. The process of verifying that input meets certain criteria is known as
.
Which algorithm is commonly used for entry validation?
Type check
A process used to ensure that data is useful and relevant and meets certain criteria is called
.
A
is a value calculated from data and used to check if the data has been altered or corrupted.
