Top 15 Power BI Service Interview Questions for Freshers
Anurodh Kumar
PowerBI Developer | Analyzing and Visualizing Data with Microsoft Power BI, Grafana and similar tools.
1. What is Power BI Service, and how does it differ from Power BI Desktop?
Answer - Power BI Service is a cloud platform that allows users to publish, share, and collaborate on reports, while Power BI Desktop is used for designing and developing reports.
2. What are Workspaces in Power BI Service, and how are they used?
Answer - Workspaces are collaborative environments where teams can create, manage, and share reports and datasets securely.
3. How do you publish a report from Power BI Desktop to Power BI Service?
Answer - You can publish a report by clicking the 'Publish' button in Power BI Desktop and selecting a workspace in Power BI Service.
4. What is the purpose of Dashboards in Power BI Service?
Answer - Dashboards provide a high-level overview of key metrics by combining visuals from multiple reports into a single view.
5. How do you share reports and dashboards with other users in Power BI Service?
Answer - Users can share reports via direct sharing, workspace access, or publishing them as Power BI apps.
6. What are the different types of data refresh in Power BI Service?
Answer - Power BI supports Manual Refresh, Scheduled Refresh, DirectQuery, Live Connection, and Incremental Refresh.
7. How does Power BI Service handle data security and access control?
Answer - Security is managed through roles, permissions, sensitivity labels, and Microsoft’s authentication framework.
8. What is Row-Level Security (RLS) in Power BI Service, and how is it implemented?
Answer - RLS restricts data access for specific users by defining DAX filter rules at the dataset level.
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9. How can you schedule automatic data refresh in Power BI Service?
Answer - Users can set scheduled refreshes in the dataset settings to update reports at specific intervals.
10. What are Sensitivity Labels in Power BI Service, and why are they important?
Answer - Sensitivity labels protect confidential data by applying Microsoft Information Protection policies.
11. What is the difference between Power BI Pro and Power BI Premium?
Answer - Power BI Pro requires per-user licensing for sharing, while Premium provides enhanced performance and dedicated capacity.
12. What is Dataflow in Power BI Service, and how is it used?
Answer - Dataflows help in data preparation by allowing users to create reusable ETL processes in Power BI Service.
13. How does Power BI integrate with other Microsoft services like Azure and Excel?
Answer - Power BI connects with Azure, Excel, SQL Server, and other Microsoft services for seamless data analysis.
14. What is the role of AI-powered features like Quick Insights and Smart Narratives in Power BI Service?
Answer - These features use AI to generate automated insights and natural language explanations for reports.
15. How can you monitor and troubleshoot report performance in Power BI Service?
Answer - Use the Performance Analyzer and Dataset Refresh History to diagnose and optimize report performance.