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Data integrity is the concept that you can trust that a piece of data is complete and has not been altered or tampered with. Which of the following technologies can be used to ensure the integrity of data?
Checksum
Encryption
Authentication
Confidentiality
A checksum is a sequence of numbers generated by a checksum algorithm (such as check digits and parity bits) used to validate the integrity of data by comparing a calculated checksum to a previously calculated checksum value. Matching values indicate that the data has not been changed.
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