Power BI Interview Guide: 150 Q&As (2026) with Puru Tyagi

Knowing a Power BI feature and explaining it confidently in an interview are two different skills. This guide trains the second one.

What's inside

• 150 questions across 5 sections: Power Query, Data Modeling, DAX, Visualization & Reports, Power BI Service
• Every question tagged Basic, Intermediate or Advanced
• Answers in natural interview language, each with a real example and the trade-off interviewers push on
• DAX and M code explained in plain English (including April–March financial-year YTD)
• "Interview tip", "Follow-up to expect" and "Common mistake" boxes
• Last-minute revision: 30 facts to read on interview morning
• Questions to ask the interviewer, plus a clickable index of all 150 questions

Updated for 2026: Microsoft Fabric, Direct Lake, Copilot, semantic models and current Power BI licensing.

Who it's for

Freshers, career switchers and analysts with up to 3–4 years of experience preparing for Data Analyst, Power BI Developer and BI Analyst interviews.

Format: PDF, 81 pages, instant download.

Want to practise these answers live? Book my Data Analyst Mock Interview (with scorecard) on this page.