Which technology is used to ensure end-to-end data integrity?

Question

Options

• ADIF+T10
• BOSHA algorithm
• CECC algorithm
• DEncryption

• A
  78% (35)
• B
  7% (3)
• C
  11% (5)
• D
  4% (2)

Explanation

DIF+T10 (Data Integrity Field, T10 Protection Information) is the correct answer because it is a storage industry standard specifically designed to protect data integrity across the entire I/O path - from the host application through the storage controller all the way to the physical drive. It appends a checksum to each data block that is verified at every transfer point, catching silent data corruption end-to-end.

OSHA is a U.S. workplace safety regulatory agency, not a technology standard or algorithm, making option B nonsensical in this context. ECC (Error Correcting Code) detects and corrects bit errors within a single component such as RAM, so it addresses local memory integrity rather than the full data path. Encryption protects confidentiality and can detect tampering, but it is a security mechanism, not a dedicated end-to-end data integrity standard for storage pipelines.

Memory tip: Think of DIF as a "data fingerprint" that travels with the data the entire trip - T10 is the SCSI standards committee that defined it, so if you see T10 on an exam, think storage integrity, not security.

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