Power BI Service Interview: Power BI has become a pivotal tool in the world of business intelligence, and mastering Power BI Service is crucial for professionals entering the field. If you’re preparing for a Power BI Service interview as a fresher, look no further. In this blog post, we’ve curated the top 20 interview questions sourced from GitHub, helping you familiarize yourself with the essential concepts and skills required for success.
1. What is Power BI Service?
Power BI Service is a cloud-based business analytics service by Microsoft that allows users to visualize and share insights from their data. It enables collaboration, data sharing, and real-time updates.
2. How is Power BI different from Power BI Service?
Power BI is a desktop application used for creating reports and dashboards, while Power BI Service is a cloud service that allows sharing, collaboration, and viewing reports online.
3. Explain the concept of Power BI Gateway.
Power BI Gateway is a bridge that connects on-premises data sources to Power BI Service. It facilitates the refresh of on-premises data in Power BI Service.
4. What are Power BI Datasets?
Datasets in Power BI are collections of data that are used to create visualizations and reports. They can be based on imported data, direct queries, or live connections.
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5. Differentiate between Power BI Report Server and Power BI Service.
Power BI Report Server is an on-premises server for hosting Power BI reports, while Power BI Service is a cloud-based service hosted by Microsoft.
6. Explain the role of Power Query in Power BI.
Power Query is a data connection technology that enables data transformation and shaping in Power BI. It helps clean and prepare data for analysis.
7. How can you schedule data refresh in Power BI Service?
Data refresh in Power BI Service can be scheduled using the Power BI Gateway, ensuring that the data in the Power BI reports is up-to-date.
8. What is a Power BI Dashboard?
A Power BI Dashboard is a single-page view of various reports and visualizations. It provides a consolidated view of key metrics and insights.
9. How does Row-Level Security work in Power BI?
Row-Level Security (RLS) in Power BI restricts data access based on user roles, ensuring that users see only the data relevant to their role.
10. Explain the concept of Content Packs in Power BI Service.
Content Packs in Power BI Service are pre-built collections of dashboards, reports, and datasets. They can be shared with others to quickly deploy analytics solutions.
11. What are Power BI Gateways, and when are they necessary?
Power BI Gateways are required when connecting to on-premises data sources. They act as a bridge between on-premises data and Power BI Service in the cloud.
12. How can you create calculated columns in Power BI?
Calculated columns in Power BI are created using Data Analysis Expressions (DAX) to derive values based on existing columns in a table.
13. What is the purpose of Power BI Q&A?
Power BI Q&A is a natural language interface that allows users to ask questions about their data and receive visualizations as answers.
14. How can you share a Power BI Dashboard with others?
Power BI Dashboards can be shared with others by publishing them to the Power BI Service and granting access to specific users or groups.
15. Explain the concept of Power BI Workspaces.
Power BI Workspaces are containers for dashboards, reports, and datasets. They help organize and collaborate on Power BI content.
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16. How does Power BI handle security for shared reports and dashboards?
Power BI uses a combination of role-based access control and Row-Level Security to ensure that users only have access to the data they are authorized to see.
17. Can you embed Power BI reports in other applications?
Yes, Power BI reports can be embedded in other applications using the Power BI Embedded service. This allows for seamless integration of reports into custom applications.
18. What are the limitations of Power BI Free and Power BI Pro licenses?
Power BI Free has limited sharing and collaboration features, while Power BI Pro offers more advanced capabilities, including sharing reports and dashboards with others.
19. How can you troubleshoot data refresh issues in Power BI Service?
Data refresh issues in Power BI Service can be troubleshooted by checking the Power BI Gateway, reviewing data source credentials, and examining error messages.
20. How does Power BI integrate with Azure services?
Power BI integrates with Azure services such as Azure SQL Database, Azure Blob Storage, and Azure Data Factory, allowing for seamless data connectivity and analysis.
External Link
Power bi official documentation
Conclusion:
Preparing for a Power BI Service interview as a fresher can be a challenging yet rewarding experience. By familiarizing yourself with these top 20 questions sourced from GitHub, you’ll be better equipped to showcase your knowledge and skills in Power BI Service, increasing your chances of success in the interview and laying a solid foundation for your career in business intelligence. Good luck!