Top 20 Interview Questions with Answers for Power BI

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1. What is Power BI Report Server Configuration Manager?
   Answer: Power BI Report Server Configuration Manager is a Windows application that is used to configure and manage Power BI Report Server installations, including settings for authentication, data sources, and email notifications.
2. How do you create a scatter plot matrix in Power BI?
   Answer: To create a scatter plot matrix in Power BI, you can use the Scatter Plot Matrix visual and define the fields that you want to use for the X-axis and Y-axis of each scatter plot.
3. What is the Power BI API?
   Answer: The Power BI API is a set of REST APIs that allow developers to programmatically interact with Power BI to create, read, and update content such as reports, dashboards, and data sources.
4. How do you create a gauge chart in Power BI?
   Answer: To create a gauge chart in Power BI, you can use the Gauge visual and define the value and target fields, as well as any additional fields for coloring the gauge and adding labels.
5. What is a calculated column in Power BI?
   Answer: A calculated column in Power BI is a column that is created using a DAX formula and provides a way to add new calculated values to a table based on existing data.
6. How do you create a clustered column chart in Power BI?
   Answer: To create a clustered column chart in Power BI, you can use the Clustered Column Chart visual and define the category and value fields, as well as any additional fields for grouping and coloring the columns.
7. What is the Power BI service admin portal?
   Answer: The Power BI service admin portal is a web-based portal that allows Power BI administrators to manage and configure their organization’s Power BI environment, including settings for security, usage, and integration with other Microsoft services.
8. How do you create a stacked area chart in Power BI?
   Answer: To create a stacked area chart in Power BI, you can use the Stacked Area Chart visual and define the X-axis and Y-axis fields, as well as any additional fields for grouping and coloring the data points.
9. What is a drill-through in Power BI?
   Answer: A drill-through in Power BI is a way to navigate from one report or dashboard to another report or dashboard with more detailed information on a specific data point or visualization.
10. How do you create a waterfall chart in Power BI?
    Answer: To create a waterfall chart in Power BI, you can use the Waterfall Chart visual and define the category and value fields, as well as any additional fields for coloring the chart and adding labels.
11. What is the difference between a calculated column and a measure in Power BI?
    Answer: A calculated column in Power BI is a column that is created using a DAX formula and provides a way to add new calculated values to a table based on existing data, while a measure is a calculation that aggregates data across one or more columns in a table.
12. How do you create a combo chart in Power BI?
    Answer: To create a combo chart in Power BI, you can use the Combo Chart visual and define the X-axis and Y-axis fields, as well as any additional fields for grouping and coloring the data points.
13. What is a dashboard in Power BI?
    Answer: A dashboard in Power BI is a collection of visualizations, such as charts, tables, and images, that provide a high-level overview of key performance indicators (KPIs) and trends for a specific business area or process.
14. How do you create a funnel plot in Power BI?
    Answer: To create a funnel plot in Power BI, you can use the Funnel Plot visual and define the fields for the segments and values.
15. What is a calculated table in Power BI?
    Answer: A calculated table in Power BI is a table that is created using a DAX formula and provides a way to generate new data based on existing data
16. How do you create a drill-through in Power BI?
    Answer: To create a drill-through in Power BI, you can define a field in a report or dashboard that acts as a link to another report or dashboard with more detailed information on the selected data point. You can then use the Drillthrough feature in the Power BI service to configure the drill-through and define the fields to be passed between the reports.
17. What is the difference between Power BI Pro and Power BI Premium? Answer: Power BI Pro is a subscription-based service that provides access to the Power BI cloud service, while Power BI Premium is a more advanced version of Power BI that provides additional capabilities such as larger data capacity, advanced analytics, and the ability to deploy reports and dashboards to on-premises servers.
18. How do you create a KPI in Power BI?
    Answer: To create a KPI in Power BI, you can use the KPI visual and define the base value, target value, and threshold values for the metric, as well as any additional fields for coloring and labeling the KPI.
19. What is a drill-through filter in Power BI?
    Answer: A drill-through filter in Power BI is a way to pass a filter from one report or dashboard to another report or dashboard when navigating through a drill-through. This allows users to explore data in more detail while maintaining context and consistency across reports.
20. How do you create a bubble chart in Power BI?
    Answer: To create a bubble chart in Power BI, you can use the Bubble Chart visual and define the fields for the X-axis, Y-axis, and size of the bubbles, as well as any additional fields for coloring the bubbles and adding labels.

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