A technician is building a server that requires a basic level of data corruption detection for its storage array and memory modules. The chosen RAID configuration and RAM both use a single binary value appended to data blocks to check for errors. What is this error-checking value called?
Parity bit
Digest bit
SHA bit
Archive bit
A parity bit is a value added to a block of data for basic error detection. It is used in some RAM and RAID configurations (like RAID 5) to verify data integrity. An archive bit is a file attribute used by backup software to identify files that have changed since the last backup. 'SHA bit' and 'Digest bit' are incorrect terms; SHA and digest refer to cryptographic hashing, which creates a much larger, unique value (a hash) to verify data, not a single bit for simple error checking.
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