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DataAI exam prep

CompTIA DataAI (formerly DataX) is the certification for data science professionals working with AI and machine learning. The DY0-001 covers everything from statistical foundations and modeling to production ML systems and specialized AI applications. Our question bank spans all five domains with scenario-based questions that mirror the real exam format.

50 free questions included · No account required

Inside the app

The pages from our App Store listing. Every screen is captured from the app itself.

TechPrep DataAI App Store screenshot, "Pass DataAI or get your money back.": the home screen with the exam readiness score.
Home
TechPrep DataAI App Store screenshot, "The Real Exam. Simulated.": the exam simulator's difficulty levels.
Exam Simulator
TechPrep DataAI App Store screenshot, "More Than Practice Questions": a reference table from the study materials.
Study Materials
TechPrep DataAI App Store screenshot, "Every Answer. Explained.": a reviewed question that explains why the right answer is right and why the others are wrong.
Explanations
TechPrep DataAI App Store screenshot, "7 Ways To Study.": the study modes.
Study Modes
TechPrep DataAI App Store screenshot, "Know When You're Ready": the exam readiness score.
Exam Readiness
TechPrep DataAI App Store screenshot, "Find Your Blind Spots": the confidence score, every answer scored against how sure you were.
Confidence Calibration
TechPrep DataAI App Store screenshot, "Earn Your Certificate": the Exam Ready Certificate.
Certificate
TechPrep DataAI App Store screenshot, "Zero Distractions. By Design.": the distraction-free study screen.
Distraction-Free

What the DY0-001 looks like

A 90-question exam scored on a 900-point scale. You need 700 to pass, across all five domains.

90 Questions
165 min Time Limit
Pass/Fail Scoring

Weighted to match the exam

Machine learning and operations carry the most weight, with math, modeling, and specialized applications close behind.

Mathematics and Statistics 17%
Modeling, Analysis, and Outcomes 24%
Machine Learning 24%
Operations and Processes 22%
Specialized Applications of Data Science 13%

Everything in the app

Scenario questions, rapid-fire drills, and study materials across all five domains.

1,200 Multiple-Choice Questions

Scenario-based questions aligned to the DY0-001 exam objectives. Every question includes a detailed explanation covering statistical concepts, ML algorithms, and data operations.

800 Rapid-Fire Questions

Quick true/false drills for reinforcing terminology, statistical formulas, and machine learning concepts under time pressure.

130 Study Materials

Study guides, reference tables, formulas, mnemonics, glossary terms, quick facts, and exam tips organized across all five domains.

We stake our revenue on the science

Every Pro subscription includes our pass guarantee. Earn your Exam Ready Certificate, take the DataAI within 14 days, and if you don't pass, we refund your most recent payment. No hoops, no fine print that undermines the promise.

Full terms available in-app and at meridianlabs.us/terms.

Start studying for the DataAI

50 free questions included. No account required.

Free to start — 50 questions, no account. Go Pro for the full bank: $6.99/week, $12.99/month, or $49.99 once.

Don't pass? We refund your most recent payment. That's the Pass Guarantee.