DA0-002 Data Analysis Practice Question
A data analyst is preparing a dataset for analysis and needs to ensure data quality. Which TWO of the following are dimensions of data quality?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Consistency
Accuracy and consistency are recognized dimensions of data quality in CompTIA Data+.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Volume
Why it's wrong here
Volume refers to amount of data, not a quality dimension.
- ✗
Velocity
Why it's wrong here
Velocity is a big data characteristic, not a quality dimension.
- ✓
Consistency
Why this is correct
Correct: consistency ensures data is uniform across sources.
- ✗
Variety
Why it's wrong here
Variety is a big data characteristic.
- ✓
Accuracy
Why this is correct
Correct: accuracy measures correctness of data.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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