CompTIA Data+ — free practice exam
63 original practice questions aligned to official exam domains. Run a timed, domain-weighted quiz in your browser — no login required.
Exam domains
| Domain | Weight |
|---|---|
| Domain 1: Data Concepts and Environments | 25% |
| Domain 2: Data Mining, Analysis, and Visualization | 35% |
| Domain 3: Data Governance, Quality, and Controls | 40% |
Sample practice questions
- An audit found gaps: the organization must communicate analytical limitations. Which option addresses this?
- A company needs to apply basic statistics to samples. Which option meets the requirement with the LEAST implementation…
- A company needs to apply GDPR-style erasure requests. Which option meets the requirement with the LEAST implementation…
- A company needs to compare relational and dimensional models. Which option meets the requirement with the LEAST…
- A company needs to define primary keys in datasets. Which option meets the requirement with the LEAST implementation…
- A company needs to find correlations between metrics. Which option meets the requirement with the LEAST implementation…
- A company needs to summarize datasets with aggregates. Which option meets the requirement with the LEAST…
- A company needs to visualize trends for stakeholders. Which option meets the requirement with the LEAST implementation…
- For cost and security, the team must visualize trends for stakeholders. What is the recommended approach?
- After a design review, leadership requires the team to describe data life cycle stages. Which approach is MOST reliable?
- After a design review, leadership requires the team to find correlations between metrics. Which approach is MOST…
- After a design review, leadership requires the team to summarize datasets with aggregates. Which approach is MOST…
- After a design review, leadership requires the team to protect sensitive columns. Which approach is MOST reliable?
- After a design review, leadership requires the team to classify data by sensitivity. Which approach is MOST reliable?
- Two designs were proposed. Design A would distinguish structured and unstructured data. Design B would describe data…
- Two designs were proposed. Design A would describe data life cycle stages. Design B would compare relational and…
- Two designs were proposed. Design A would compare relational and dimensional models. Design B would define primary…
- Two designs were proposed. Design A would define primary keys in datasets. Design B would distinguish structured and…
- Two designs were proposed. Design A would visualize trends for stakeholders. Design B would apply basic statistics to…
- Two designs were proposed. Design A would apply basic statistics to samples. Design B would handle missing and dirty…
- Two designs were proposed. Design A would handle missing and dirty data. Design B would find correlations between…
- Two designs were proposed. Design A would find correlations between metrics. Design B would summarize datasets with…
- Two designs were proposed. Design A would summarize datasets with aggregates. Design B would communicate analytical…
- Two designs were proposed. Design A would communicate analytical limitations. Design B would select chart types…
Browse all 63 indexed questions for this exam.