Power BI Essentials
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Data Extraction
- Can Power BI connect to live data sources? If yes, how?
- How do you connect Power BI to different data sources?
- How do you deal with multiple data sources in Power BI?
- How do you import data into Power BI?
- How do you integrate Power BI with external APIs?
- How would you handle real-time data streaming in Power BI?
- What are custom connectors in Power BI?
- What is the difference between direct query and import mode in Power BI?
- What is the difference between DirectQuery and Live Connection in Power BI?
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Data Transformation
- How do you clean data using Power Query?
- How do you handle different time zones in Power BI reports?
- How do you handle missing or null values in Power BI?
- How do you handle unstructured data in Power BI?
- How do you work with dataflow and Power BI?
- How does Power BI perform data transformation?
- What is a parameter in Power BI, and how can it be used?
- What is a Power Query in Power BI?
- What is Power BI Query Folding?
- What is Power Query Editor and what role does it play?
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Data Modeling
- Explain the concept of calculation groups in Power BI.
- Explain the concept of many-to-many relationships in Power BI.
- Explain the concept of row-level security in Power BI.
- Explain the difference between a calculated column and a measure in Power BI.
- Explain the difference between a data model and a report in Power BI.
- How do you implement row-level security (RLS) in Power BI?
- How do you perform error handling in Power BI DAX?
- How do you use DAX to create a date table?
- What are calculated columns and calculated measures in Power BI?
- What are relationships in Power BI?
- What are some best practices for data modeling in Power BI?
- What are tables, columns, and measures in Power BI?
- What are the different types of relationships in Power BI?
- What are time intelligence functions in DAX?
- What is a star schema and how does it relate to Power BI data modeling?
- What is composite modeling, and how is it used in Power BI?
- What is DAX? How is it used in Power BI?
- What is the role of DAX in Power BI?
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Data Visualization
- 02. What are the different types of filters in Power BI?
- 03. What is a dynamic title in Power BI?
- Can you explain the concept of slicers in Power BI?
- Explain how you would use Power BI to display geographical data.
- Explain the concept of drill-downs in Power BI.
- How can you change the visualization type in Power BI?
- How do you implement bookmarks in Power BI?
- How would you use drill-through in Power BI?
- What are bookmarks in Power BI?
- What are Power BI themes?
- What are slicers in Power BI, and how do they work?
- What are some advanced techniques for designing Power BI reports with complex visualizations?
- What are the best practices for designing reports in Power BI?
- What are the types of visualizations available in Power BI?
- What Is the Difference Between Filters and Slicers in Power BI?
- What is the significance of the Q&A feature in Power BI?
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Dashboard Building
- Can you explain the importance of Power BI Service Gateway?
- Explain the components of Power BI.
- Explain what Power BI gateways are.
- How can you create a report in Power BI Desktop?
- How can you publish a report from Power BI Desktop to Power BI Service?
- How can you refresh data in Power BI?
- How do you create a Power BI dashboard from multiple reports?
- How do you export a report from Power BI?
- How do you handle multi-language reports in Power BI?
- How do you schedule data refresh in Power BI?
- How do you share a Power BI report with others?
- How would you use Power BI for operational reporting?
- What are the different types of views available in Power BI?
- What Are the Main Components of Power BI?
- What is a Power BI app?
- What is a Power BI Dashboard?
- What is a Power BI report?
- What is a Power BI tile?
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Performance Optimization
- 01. How do you handle large datasets in Power BI?
- Explain the usage of aggregation tables in Power BI.
- How do you handle performance issues when working with complex DAX expressions?
- How do you implement incremental data refresh in Power BI?
- How do you optimize large Power BI models?
- How do you optimize Power BI reports?
- How do you work with large datasets in Power BI without affecting performance?
- How does Power BI handle large datasets?
- How would you optimize a Power BI report for performance?
- How would you troubleshoot a performance issue in Power BI?
- What are Power BI’s limitations when handling large datasets, and how do you overcome them?
- What are some techniques for troubleshooting slow Power BI reports?
- What are the different types of indexing in Power BI?
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Project Knowledge
- Explain how to implement a multi-tier architecture in Power BI.
- Explain how you would implement audit logs in Power BI.
- Explain how you would integrate Power BI with Azure.
- Explain the role of Azure Machine Learning and how it integrates with Power BI.
- How can Power BI be integrated with SQL Server Analysis Services (SSAS)?
- How can you use Azure Data Lake with Power BI?
- How do you create and manage Power BI workspaces for teams?
- How do you ensure data security and governance in Power BI?
- How do you integrate Power BI with other Microsoft Power Platform tools (e.g., Power Apps, Power Automate)?
- How do you manage security and permissions for Power BI content?
- How do you manage version control in Power BI reports?
- How do you monitor Power BI service usage and performance?
- How does Power BI integrate with other Microsoft services like Excel or Azure?
- How would you approach designing a Power BI solution for enterprise-level reporting?
- How would you design a data pipeline for Power BI?
- How would you implement and manage Power BI Embedded?
- How would you set up Power BI in a multi-tenancy environment?
- What are some advanced strategies for managing Power BI data models and governance?
- What are the benefits of using Power BI Service over Power BI Desktop?
- What is a Power BI app workspace and how is it different from a personal workspace?
- What is a Power BI service principal, and how is it used?
- What is a Power BI workspace?
- What is Power BI Premium?
- What is Power BI REST API and how can it be used?
- What is the difference between Power BI Desktop and Power BI Service?
- What is the difference between Power BI Service and Power BI Report Server?
- What is the Power BI mobile app used for?
- What is the role of Power BI Service?
- What is the significance of a Power BI workspace?
- Domain Knowledge
