Power BI interview questions and answers
Vinayak Jadhav
?? Certified Microsoft Power BI Data Analyst Associate?? Certified Microsoft Office Specialist? Non IT Professional Driving Digital Transformation ?? Generate your several Income sources
1. Question: What is Power BI?
Answer: Power BI is a business analytics service by Microsoft that provides interactive visualizations and business intelligence capabilities with an interface simple enough for end-users to create their reports and dashboards.
2. Question: Differentiate between Power BI Desktop, Power BI Service, and Power BI Mobile.
Answer: Power BI Desktop is used for creating reports, Power BI Service (or Power BI Online) is the cloud service for sharing and collaborating on reports, and Power BI Mobile allows users to access reports on mobile devices.
3. Question: Explain the role of Power Query in Power BI.
Answer: Power Query is used for data transformation and shaping. It allows users to connect to various data sources, clean and transform data before loading it into Power BI for analysis.
4. Question: What is DAX in Power BI, and why is it important?
Answer: DAX (Data Analysis Expressions) is a formula language used for creating custom calculations in Power BI. It is important as it enables users to create sophisticated measures and calculated columns.
5. Question: How do you create relationships between tables in Power BI?
Answer: In Power BI Desktop, go to the "Model" view, drag and drop fields from one table to another to create relationships based on common keys.
6. Question: What is the difference between a calculated column and a measure in Power BI?
Answer: A calculated column is a column added to a table, computed row by row, while a measure is a formula applied to a set of data, providing a dynamic calculation based on the context.
7. Question: How can you implement row-level security in Power BI?
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Answer: Row-level security in Power BI can be implemented by creating roles in Power BI Desktop and defining filters at the row level based on user roles.
8. Question: Explain the purpose of the Power BI Gateway.
Answer: The Power BI Gateway allows for a secure connection between Power BI services and on-premises data sources. It facilitates refreshing datasets and running scheduled refreshes.
9. Question: What is a Power BI dashboard?
Answer: A Power BI dashboard is a single-page, interactive view of your data that provides a consolidated and visualized summary of key metrics. It can include visuals, images, and live data.
10. Question: How can you share a Power BI report with others?
Answer: Power BI reports can be shared through the Power BI service. Publish the report to the Power BI service, and then share it with specific users or distribute it widely within an organization.
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Charting Your Financial Future | Speaker on Wealth Beyond Finance | AMFI Registered Mutual Fund Distributor
9 个月This is a fantastic resource, Vinayak Jadhav! This breakdown of Power BI fundamentals is incredibly clear and concise.
Emotional Wellness Coach on a Mission to help 1000k working professionals change their emotional states to achieve Happiness using Emotional Intelligence. | Soft skill trainer
9 个月Congratulations on reaching the 11th edition of "Mastering Data Analytics"! Your insights and dedication to the field are truly inspiring. Looking forward to more valuable content in the future! ????
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9 个月Vinayak Jadhav Thank you for providing these insightful Power BI interview questions! Your perspective enriches the conversation and offers valuable insights!
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9 个月Thank you for sharing these power BI interview questions Vinayak Jadhav Great insights! Thanks for sharing. ?? - Your perspective adds depth to the conversation and ni offers valuable insights. It's refreshing to see such thoughtful contributions on this topic.