CompTIA DataX Practice Test (DY0-001)

Use the form below to configure your CompTIA DataX Practice Test (DY0-001). The practice test can be configured to only include certain exam objectives and domains. You can choose between 5-100 questions and set a time limit.

CompTIA DataX DY0-001 (V1) Information

CompTIA DataX/DataAI is an expert‑level, vendor‑neutral certification aimed at deeply experienced data science professionals. Launched on July 25, 2024, the exam verifies advanced competencies across the full data science lifecycle - from mathematical modeling and machine learning to deployment and specialized applications like NLP, computer vision, and anomaly detection.

In February 2026, CompTIA officially renamed the DataX exam to DataAI. The current exam content and exam code of DY0-001 is unchanged. You can continue to use DataX study materials targeted for the DY0-001, however after passing the exam you would be awarded the DataAI Certification.

The exam comprehensively covers five key domains:

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

It includes a mix of multiple‑choice and performance‑based questions (PBQs), simulating real-world tasks like interpreting data pipelines or optimizing machine learning workflows. The duration is 165 minutes, with a maximum of 90 questions. Scoring is pass/fail only, with no scaled score reported.