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When is a file checksum especially useful for verification?

Answer and explanation

Correct answer: To check for content changes after a file transfer

A checksum is a value calculated from a file’s contents using a defined algorithm. If the checksum made before transfer matches the checksum calculated after transfer, it provides evidence that the contents were not changed during transmission or storage. Option A is correct. A checksum does not select colors, rename folders, or measure mouse movement, and its verification role differs from access permissions.

Related tags

IctChecksumFile IntegrityFile TransferUsing An Operating System And File ManagementIct (Information & Communication Technology) Skills IIct Information Communication Technology Skills IArtificial Intelligence

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