Power BI 面试题与答案
问题 6. What is a slicer in Power BI?
A slicer in Power BI is a visual control that allows users to filter data in a report. It provides a way to easily select and view specific data points or ranges.
问题 7. Explain the concept of measures in Power BI.
Measures in Power BI are calculations applied to data in a report. Unlike calculated columns, measures are dynamic and can change based on user interactions. They are created using Data Analysis Expressions (DAX).
问题 8. What is the role of Power BI Gateway?
Power BI Gateway is used to connect Power BI reports and dashboards to on-premises data sources. It acts as a bridge between Power BI Service in the cloud and the data stored locally.
问题 9. How can you share a Power BI report with others?
Power BI reports can be shared by publishing them to the Power BI Service, where users can access and view the reports online. Sharing options include sharing a dashboard, creating a shareable link, or embedding the report in a website.
问题 10. What is the role of a Power BI gateway cluster?
A Power BI gateway cluster is a group of multiple gateway installations that work together to provide high availability and load balancing. It ensures continuous connectivity to on-premises data sources.
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