Define data integrity and explain methods to maintain data integrity across systems.

Define data integrity and explain methods to maintain data integrity across systems.

• A. Data integrity means data is accurate, consistent, and reliable; methods: validation rules, referential integrity, checksums, version control, audit trails
• B. Data integrity means data is encrypted at all times
• C. Data integrity is about data visualization
• D. Data integrity means data is only stored in one system

Answer: (A)