Top 20 Power BI Interview Questions: Your Comprehensive Guide

Neha Rawat

Oct 7, 2023
Top 20 Power BI Interview Questions: Your Comprehensive Guide

Discover essential Power BI interview questions with our Top 20 list. Prepare confidently for your next BI job opportunity.

Power BI is a powerful business intelligence tool that has gained immense popularity in recent years. As more companies recognize the importance of data-driven decision-making, the demand for skilled Power BI professionals has surged. If you're preparing for a Power BI interview, you're in the right place. In this article, we will delve into the top 20 Power BI interview questions and equip you with the knowledge you need to ace your interview confidently.

1. Understanding Power BI

1. What is Power BI?

Power BI is a business analytics service by Microsoft that provides interactive visualisations and business intelligence capabilities with an intuitive interface.

2. How does Power BI work?

Learn about the architecture and components of Power BI, including Power Query, Power Pivot, Power View, and Power Map.

3. What are the key benefits of using Power BI?

Discover how Power BI can empower organisations by enabling data-driven decisions, improved data analysis, and enhanced data visualisation.

2. Power BI Basics

4. How do you import data in Power BI?

Explore the various methods to import data into Power BI, such as importing from databases, Excel files, or online sources.

5. What are Data Models in Power BI?

Understand the concept of data modelling and how it helps in creating meaningful relationships between data tables.

6. Explain DAX in Power BI?

DAX (Data Analysis Expressions) is crucial in Power BI. Learn about its functions and how to use them for calculations and data manipulation.

3. Visualisation and Reporting

7. How can you create interactive reports in Power BI?

Discover the steps to create engaging and interactive reports, including designing visuals, using filters, and creating dashboards.

8. What are custom visuals in Power BI?

Explore the world of custom visuals and how they can enhance your reporting capabilities.

4. Power BI Advanced Topics

9. What is Power Query and how does it work?

Delve into the details of Power Query, a robust tool for data transformation and data preparation.

10. Explain Row-level security in Power BI.

Learn how to implement row-level security to restrict data access based on user roles.

11. What is Power BI Gateway?

Understand the role of Power BI Gateway in connecting on-premises data sources to the Power BI service.

5. Integration with Other Tools

12. How does Power BI integrate with Excel?

Explore the seamless integration between Power BI and Excel for enhanced data analysis.

13. Can you integrate Power BI with SharePoint?

Learn how Power BI can be integrated with SharePoint for collaborative reporting.

6. Advanced Analytics

14. What are the predictive analytics capabilities of Power BI?

Discover how Power BI supports predictive analytics with tools like R and Python integration.

15. Explain the importance of Power BI Embedded.

Understand how Power BI Embedded enables developers to integrate Power BI reports into custom applications.

7. Best Practices and Optimization

16. What are some best practices for creating efficient Power BI reports?

Learn tips and tricks for optimising report performance and ensuring a smooth user experience.

17. How can you schedule data refresh in Power BI Service?

Understand the importance of data refresh and how to schedule it for up-to-date reporting.


In this comprehensive guide, we've covered the top 20 Power BI interview questions to help you prepare for your upcoming interview. Power BI is a dynamic tool, and mastering it opens doors to exciting career opportunities. Remember to practise your responses and showcase your hands-on experience during the interview to stand out as a top candidate.

FAQs (Frequently Asked Questions)

Q1. Is Power BI a free tool?

A1: No, Power BI offers both a free and a paid version. The paid version, Power BI Pro, provides additional features and capabilities.

Q2. Can I use Power BI for real-time data analysis?

A2: Yes, Power BI supports real-time data streaming, allowing you to analyse data as it arrives.

Q3. What skills are essential for a Power BI professional?

A3: Skills such as data modelling, DAX, data visualisation, and report creation are crucial for a Power BI professional.

Q4. Is Power BI suitable for small businesses?

A4: Yes, Power BI can be a valuable asset for small businesses as it offers scalable solutions and flexible pricing options.

Q5. How can I get certified in Power BI?

A5: You can earn Microsoft's Power BI certification by passing the relevant exams, demonstrating your expertise in the tool.

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