Pass your cert the first time.
Realistic practice exams for data & AI certifications — timed, scored, and every answer explained. Because a failed attempt costs hundreds of dollars.
Which of these is NOT a data type in Power BI?
Certification tracks
Timed practice, randomly drawn questions, every answer explained.
Quick Demo
10-question tour of KraftSkills — data & AI essentials
Power BI Data Analyst
Microsoft Power BI Data Analyst (PL-300) certification practice exam
SnowPro Core
Snowflake SnowPro Core (COF-C03) certification practice exam
Databricks Data Engineer Associate
Databricks Certified Data Engineer Associate practice exam
Azure AI Apps and Agents Developer
Microsoft Certified: Azure AI Apps and Agents Developer Associate (AI-103) practice exam
Claude Certified Architect – Foundations
Anthropic Claude Certified Architect – Foundations (CCAR-F) practice exam
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Every exam here is free, with no paywall and every answer explained. It is still a beta, so if a question looks wrong, the report button on the results screen comes straight to us.