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CompTIA Data+ DA0-002 · Domain 5: Data governance

Data quality dimensions: accuracy, completeness, consistency, validity, timeliness and uniqueness

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Last reviewed September 25, 2026 · Leer en español

'The data is bad' is not specific enough to fix. Data quality dimensions give you a vocabulary for describing exactly what is wrong, which rules to check and which metrics to track. The exam presents a problem and asks which dimension it affects.

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