Top 100 Power BI Interview Questions and Answers [2025 Updated]
Designed to fully prepare you for top-tier Power BI interviews (Latest) ✅ SECTION 1: Power BI Architecture & Fundamentals What are the main components of Power BI architecture? Answer: Power BI Desktop (report authoring) Power BI Service (cloud service for sharing and collaboration) Power BI Gateway (connects on-premises data) Power BI Mobile (mobile app) Power BI Embedded (for developers) What are the data connectivity modes in Power BI? Answer: Import DirectQuery Live Connection Composite Models (hybrid of Import & DirectQuery) Scenario: You’re working with huge datasets from SQL Server. Which mode would you choose? Answer: DirectQuery for real-time data, but consider composite models for flexibility. Use aggregation tables to improve performance in composite models. What is the difference between Power BI Pro and Premium? Answer: Pro is user-based licensing; Premium provides dedicated capacity, larger datasets, paginated reports, and AI features. Premium Pe...