Top 50 interview questions and answers for powerBI

1. What is PowerBI?

PowerBI is a business analytics service by Microsoft that provides interactive visualizations and business intelligence capabilities.

2. What are the components of PowerBI?

The components of PowerBI include Power Query, Power Pivot, Power View, and Power Map.

3. What is Power Query?

Power Query is a data connection technology that enables you to discover, connect, combine, and refine data from various sources.

4. What is Power Pivot?

Power Pivot is a data modeling technology that allows you to create data models, relationships, and calculations.

5. What is Power View?

Power View is a data visualization technology that enables you to create interactive reports and dashboards.

6. What is Power Map?

Power Map is a 3D data visualization technology that enables you to explore and analyze geographic and temporal data.

7. What is DAX?

DAX (Data Analysis Expressions) is a formula language used in Power Pivot, Power BI, and Analysis Services.

8. What is a measure in PowerBI?

A measure is a calculation that aggregates data in a table.

9. What is a calculated column in PowerBI?

A calculated column is a column that you create in a table by using a DAX formula.

10. What is a calculated table in PowerBI?

A calculated table is a table that you create by using a DAX formula.

11. What is a relationship in PowerBI?

A relationship is a connection between two tables that enables you to combine data from both tables.

12. What is a filter in PowerBI?

A filter is a visual or slicer that enables you to limit the data displayed in a report or dashboard.

13. What is a drill-through in PowerBI?

A drill-through is a feature that enables you to navigate from one report to another by clicking on a data point.

14. What is a drill-down in PowerBI?

A drill-down is a feature that enables you to explore data at a more detailed level by expanding a hierarchy.

15. What is a drill-up in PowerBI?

A drill-up is a feature that enables you to explore data at a higher level by collapsing a hierarchy.

16. What is a bookmark in PowerBI?

A bookmark is a feature that enables you to save the state of a report or dashboard and return to it later.

17. What is a theme in PowerBI?

A theme is a feature that enables you to customize the colors, fonts, and effects of a report or dashboard.

18. What is a custom visual in PowerBI?

A custom visual is a visual that you create or download from the Power BI marketplace.

19. What is a gateway in PowerBI?

A gateway is a software component that enables you to connect to on-premises data sources from Power BI.

20. What is a dataflow in PowerBI?

A dataflow is a feature that enables you to extract, transform, and load data from various sources into Power BI.

21. What is a workspace in PowerBI?

A workspace is a container for reports, dashboards, and datasets that enables you to collaborate with others.

22. What is a dashboard in PowerBI?

A dashboard is a visual display of the most important information that enables you to monitor the performance of your business.

23. What is a report in PowerBI?

A report is a collection of visualizations and data that enables you to analyze and explore your data.

24. What is a dataset in PowerBI?

A dataset is a collection of data that you import or connect to in Power BI.

25. What is a slicer in PowerBI?

A slicer is a visual that enables you to filter data in a report or dashboard.

26. What is a visual in PowerBI?

A visual is a graphical representation of data that enables you to communicate insights and trends.

27. What is a hierarchy in PowerBI?

A hierarchy is a way of organizing data into levels of detail, such as year, quarter, month, and day.

28. What is a KPI in PowerBI?

A KPI (Key Performance Indicator) is a metric that measures the performance of a business.

29. What is a gauge in PowerBI?

A gauge is a visual that enables you to display a single value in relation to a target value.

30. What is a funnel in PowerBI?

A funnel is a visual that enables you to analyze the stages of a process, such as sales or marketing.

31. What is a scatter chart in PowerBI?

A scatter chart is a visual that enables you to analyze the relationship between two variables.

32. What is a line chart in PowerBI?

A line chart is a visual that enables you to analyze trends over time.

33. What is a bar chart in PowerBI?

A bar chart is a visual that enables you to compare values across categories.

34. What is a column chart in PowerBI?

A column chart is a visual that enables you to compare values across categories using vertical bars.

35. What is a pie chart in PowerBI?

A pie chart is a visual that enables you to analyze the proportion of values across categories.

36. What is a donut chart in PowerBI?

A donut chart is a visual that enables you to analyze the proportion of values across categories using a ring.

37. What is a waterfall chart in PowerBI?

A waterfall chart is a visual that enables you to analyze the changes in values over time.

38. What is a stacked bar chart in PowerBI?

A stacked bar chart is a visual that enables you to compare values across categories using horizontal bars.

39. What is a stacked column chart in PowerBI?

A stacked column chart is a visual that enables you to compare values across categories using vertical bars.

40. What is a matrix in PowerBI?

A matrix is a visual that enables you to analyze data in a table format.

41. What is a table in PowerBI?

A table is a visual that enables you to display data in a tabular format.

42. What is a card in PowerBI?

A card is a visual that enables you to display a single value.

43. What is a map in PowerBI?

A map is a visual that enables you to analyze geographic data.

44. What is a scatter map in PowerBI?

A scatter map is a visual that enables you to analyze the relationship between two variables on a map.

45. What is a filled map in PowerBI?

A filled map is a visual that enables you to analyze data by coloring regions on a map.

46. What is a tree map in PowerBI?

A tree map is a visual that enables you to analyze data by using nested rectangles.

47. What is a sunburst chart in PowerBI?

A sunburst chart is a visual that enables you to analyze data by using nested circles.

48. What is a funnel chart in PowerBI?

A funnel chart is a visual that enables you to analyze the stages of a process, such as sales or marketing.

49. What is a gauge chart in PowerBI?

A gauge chart is a visual that enables you to display a single value in relation to a target value.

50. What is a table visual in PowerBI?

A table visual is a visual that enables you to display data in a tabular format with sorting and filtering capabilities.

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