Top 10 Power Bi Interview Questions & Answers

  Top 10 Power Bi Interview Questions & Answers


1. What is Power BI, and how does it work? 

 Answer: Power BI is a cloud-based business intelligence platform that allows you to analyze and visualize data from various sources. It consists of a range of tools, including Power BI Desktop, Power BI Service, and Power BI Mobile. Power BI Desktop is used for creating reports and dashboards, Power BI Service is used for sharing and collaborating on those reports, and Power BI Mobile is used for viewing reports on mobile devices.

2. What are the different components of Power BI?

Answer: The components of Power BI include Power BI Desktop, Power BI Service, and Power BI Mobile. Power BI Desktop is used to create reports and dashboards, while Power BI Service is used to share and collaborate on those reports. Power BI Mobile is used to view reports on mobile devices.

3.What is a dataset in Power BI?

Answer: A dataset is a collection of data that is used to create reports and dashboards in Power BI. It can be a simple table, a complex data model, or a combination of both. Datasets can be created from a variety of sources, including Excel, SQL Server, and SharePoint.

4. What is a measure in Power BI?

Answer: A measure is a calculated value that is used to aggregate data in Power BI. Measures are used to perform calculations such as sum, average, minimum, maximum, and count. They are created using DAX (Data Analysis Expressions), a formula language used in Power BI.

5. What is a visual in Power BI?

Answer: A visual is a graphical representation of data in Power BI. It can be a chart, graph, map, or any other type of visualization. Visuals are used to display data in a meaningful way and to make it easier to understand.

6. What is Power Query in Power BI?
Answer: Power Query is a data transformation and cleansing tool in Power BI. It allows you to connect to various data sources, combine data from multiple sources, and clean and transform data before loading it into Power BI. Power Query is used to prepare data for analysis and reporting.

7. What is a dashboard in Power BI?
Answer: A dashboard is a collection of visuals and reports in Power BI. It provides a high-level view of key performance indicators (KPIs) and metrics, allowing users to quickly understand the current state of their business. Dashboards can be shared with others and can be customized to suit individual needs.

8. How can you share Power BI reports with others?
Answer: Power BI reports can be shared with others by publishing them to the Power BI Service. Once a report is published, it can be accessed by other users with appropriate permissions. Reports can also be shared by embedding them in websites or applications or by exporting them to PDF or other formats.

9. What is a slicer in Power BI?
Answer: A slicer is a filtering tool in Power BI. It allows users to filter data based on specific criteria, such as dates, regions, or products. Slicers can be used to interactively filter data in visuals and reports, making it easier to analyze and understand.

10. What is the difference between Power BI Desktop and Power BI Service?
Answer: Power BI Desktop is a Windows application used to create reports and dashboards in Power BI. Power BI Service is a cloud-based platform used to share and collaborate on those reports. Power BI Desktop is used for authoring, while Power BI Service is used for consumption and sharing.







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