Here are some interview questions related to Power BI:
Basic Power BI Concepts:
- What is Power BI, and how does it differ from other business intelligence tools?
- Explain the components of Power BI (Power Query, Power Pivot, Power View, Power Map, Power Q&A).
- What is the Power BI Desktop and how is it different from the Power BI service?
Power BI Data Modeling:
- What is data modeling in Power BI, and why is it important?
- Explain the difference between a calculated column and a measure.
- How do relationships work in Power BI, and what types of relationships are supported?
Power BI Data Transformation:
- How does Power Query help in data transformation? Provide some examples.
- What is the M language in Power Query, and when would you use it?
Power BI Visualization:
- Describe some common types of visualizations in Power BI.
- Explain the use of slicers and filters in Power BI reports.
- How can you create a custom hierarchy in Power BI?
DAX (Data Analysis Expressions):
- What is DAX, and why is it important in Power BI?
- Differentiate between calculated columns and measures in DAX.
- Provide an example of using the CALCULATE function in DAX.
Power BI Dashboards and Reports:
- How do you create a dashboard in Power BI?
- Explain the difference between a dashboard and a report.
- What are some best practices for designing effective Power BI reports?
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Power BI Service:
- How does Power BI service complement Power BI Desktop?
- Describe the process of sharing a Power BI report with others.
- What is the Power BI gateway, and when is it necessary?
Data Refresh:
- What is data refresh in Power BI, and why is it important?
- Explain the options available for scheduling data refresh in Power BI.
Power BI Security:
- How can you secure sensitive data in Power BI reports?
- Explain row-level security in Power BI.
Integration and Extensibility:
- How can Power BI be integrated with other Microsoft products, such as Excel and SharePoint?
- What is the Power BI REST API, and how can it be used?
Power BI Licensing:
- Explain the different Power BI licensing options.
- What are the limitations of Power BI Free compared to Power BI Pro?
These questions cover a range of topics and should give you a good starting point for preparing for a Power BI interview. Depending on the specific role and company, you might encounter additional questions tailored to the job requirements.
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