📘 100 Power BI Interview Questions – Complete Guide

This is a comprehensive interview prep resource for anyone aiming to land a Power BI Data Analyst or BI Developer role. The guide covers 100 carefully structured questions with detailed answers, divided into four levels:

1. ✅ Basic (25 Qs) – Core concepts, Power BI components, data sources, and modeling basics
2. ✅ Intermediate (25 Qs) – DAX functions, relationships, performance tuning
3. ✅ Advanced (25 Qs) – Optimization, context transition, composite models, real-world challenges
4. ✅ Expert/Scenario-Based (25 Qs) – Large dataset handling, enterprise reporting, security, architecture design

Whether you’re just starting or preparing for tough technical rounds, this guide will help you:

1. Understand concepts clearly with step-by-step explanations
2. Connect technical knowledge to real business use cases
3. Build confidence for interviews with practical, scenario-driven answers

👉 Perfect for freshers, experienced analysts, and BI professionals looking to level up their Power BI skills and ace interviews.