CompTIA Data+ Practice Test and Practice Exam Questions (DA0-002)

Why DA0-002 matters in 2026

CompTIA Data+ is one of the most recognized credentials issued by CompTIA, and 2026 hiring data continues to show DA0-002 on job postings as either required or strongly preferred for the roles it targets. The certification validates that you can apply real working knowledge, not just recall facts, across 5 distinct exam domains, with the largest weight on Data Analysis. For candidates competing in the CompTIA ecosystem, DA0-002 is a clear signal to a hiring manager that you have invested in measurable, third-party-verified competence.

Who should take DA0-002

DA0-002 is most useful for professionals working in or moving toward the CompTIA ecosystem. In short: Data acquisition, analysis, and governance for data-driven decision making. If you are early in your career, DA0-002 is one of the fastest credentials to add to a résumé that recruiters actively screen for. If you are mid-career, it formalizes the skills you already use day-to-day and unlocks roles that gate on it. If you are switching tracks, it gives you a structured curriculum that tells you exactly what to study, in what order, weighted by what the real exam tests.

Exam structure and difficulty

The CompTIA Data+ exam is organized into 5 domains, each weighted by the official CompTIA exam guide. The heaviest weighting is Data Analysis at 24% of the exam, so that is where you should spend the most preparation time. The lightest is Data Governance at 14%, meaning you can dedicate roughly proportional review time without over-investing.

Format details: Maximum 90 questions · 90 minutes · Passing score 720/900 · Multiple-choice and performance-based · Recommended 1.5-2 years of experience with databases, analytical tools, statistics, and data visualization. Following the domain weights is the single biggest leverage point candidates miss, because many over-study lower-weighted material that feels comfortable.

How to prepare

A practical four-step plan for DA0-002:

1. Read the official CompTIA exam guide for DA0-002 and write down every sub-objective. This becomes your study checklist.
2. Use the domain practice quizzes on this page in weight order (heaviest first). Aim for 80% on each domain before moving on.
3. When you miss a question, read the explanation for every wrong answer, because that contrastive learning is where understanding compounds.
4. Once every domain is at 80%+, take the Mix Quiz repeatedly to simulate real exam conditions across all topics.

Career outcomes and salary

Holders of DA0-002 in the US currently see compensation in the range of $56k to $110k per year, with median around $75k. Data analyst / BI Salary varies by region, employer size, and complementary skills, but the DA0-002 credential consistently lifts the floor of what you can negotiate against. Source: Prepsaret, Glassdoor, 2026.

Common pitfalls

The three traps that kill DA0-002 candidates: (1) over-memorizing acronyms instead of practicing the application of concepts in scenarios, when the exam is scenario-driven, not a vocab quiz. (2) Skipping the heaviest-weighted domain because it feels less interesting, which can fail the whole exam by neglecting Data Analysis. (3) Not timing practice sessions, when the exam has a real clock and pacing is its own skill. Build timing into your last two weeks of prep.