DA0-002 Visualization and Reporting Practice Question
A data analyst notices that the sales numbers in a report differ from the numbers in the finance department's spreadsheet. This discrepancy is most likely due to a lack of:
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
✓
Single version of truth
A single version of truth means all departments use the same centralized data, avoiding inconsistencies.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Row-level security
Why it's wrong here
Row-level security controls access, not data consistency.
- ✗
Data lineage
Why it's wrong here
Data lineage shows where data came from, but doesn't enforce consistency.
- ✗
Data dictionary
Why it's wrong here
A data dictionary defines terms but doesn't ensure data consistency across departments.
- ✓
Single version of truth
Why this is correct
Without a single source of truth, different reports may show conflicting numbers.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DA0-002 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DA0-002 exam.