- What is Power BI?
- What are the key components of Power BI?
- Explain the difference between Power BI Desktop and Power BI Service.
- How does Power BI differ from Excel?
- What are the benefits of using Power BI?
- What is data modeling in Power BI?
- Explain the concept of relationships in Power BI.
- What are calculated columns and measures? How do they differ?
- What is the difference between a star schema and a snowflake schema?
- How do you optimize data models for performance in Power BI?
- How do you create visualizations in Power BI?
- What are some common types of visualizations available in Power BI?
- How do you customize visualizations in Power BI?
- What is the role of slicers in Power BI?
- How can you use bookmarks in Power BI reports?
- What is Power Query in Power BI?
- How do you clean and transform data using Power Query?
- Explain the concept of M language in Power Query.
- What are some common data transformation tasks you can perform in Power Query?
- How do you handle missing or inconsistent data in Power BI?
- What types of data sources does Power BI support?
- How do you connect to different data sources in Power BI?
- Explain the process of importing data versus using DirectQuery in Power BI.
- What are the limitations of using DirectQuery in Power BI?
- Can you connect Power BI to live data sources? If so, how?
- What is DAX?
- Explain the difference between calculated columns and measures in DAX.
- What are some common DAX functions used for calculations?
- How do you create calculated tables in Power BI using DAX?
- What is the difference between CALCULATE and CALCULATETABLE functions in DAX?
- What is Power BI and what are its key components (Power BI Desktop, Service, Mobile)?
- Differentiate between Power BI and Excel for data analysis.
- Explain the functionalities of Power Query Editor.
- Describe the purpose of DAX (Data Analysis Expressions) in Power BI.
- What are the different data sources Power BI can connect to? (e.g., Excel files, databases)
- What are measures and calculated columns in Power BI?
- How do you create basic visualizations (charts) in Power BI reports?
- Explain the concept of filtering in Power BI reports.
- What are dashboards in Power BI, and how do they differ from reports?
- Briefly describe how to share Power BI reports and dashboards with colleagues.
- Explain the importance of data cleaning and transformation in Power BI.
- How do you handle missing values in your data model?
- Describe different types of relationships between tables in Power BI.
- What are some best practices for building an efficient data model?
- Explain how to create calculated tables in Power BI.
- How do you use drill-down and drill-through functionalities in reports?
- What are some techniques for creating dynamic titles and labels in reports?
- Explain how to implement row-level security in Power BI.
- Describe the use of bookmarks and slicers for interactive reports.
- How can you schedule report refreshes in Power BI Service?
- Write a DAX formula to calculate the Year-over-Year (YoY) change in sales.
- Explain the concept of Time Intelligence functions in DAX.
- How do you handle complex calculations using DAX variables and iterators?
- Describe techniques for optimizing report performance in Power BI.
- What are some strategies for sharing Power BI content with large audiences?
- Explain the concept of incremental refresh in Power BI Service.
- How can you leverage Power BI Q&A for natural language data exploration?
- Describe the functionalities of Power BI Gateway for on-premises data access.
- How can you implement role-based access control (RBAC) in Power BI?
- Explain the benefits of using Azure Analysis Services with Power BI.
- What are some considerations for deploying Power BI reports on mobile devices?
- How can you integrate Power BI with other Microsoft products (e.g., Power Automate)?
- Explain the concept of Power BI paginated reports and their use cases.
- Describe the purpose of Power BI administration tools and functionalities.
- How can you leverage Power BI Desktop themes for consistent report branding?
- Explain the concept of data gateways in Power BI and their types.
- Describe the use case for composite models in Power BI Service.
- How can you connect to real-time data sources using Power BI?
- Explain the functionalities of Power BI APIs for programmatic access.
- Describe the benefits of using Azure Databricks with Power BI.
- Explain the difference between CALCULATE and FILTER functions in DAX.
- How can you create custom aggregations using DAX summarize function?
- Describe advanced DAX techniques like EARLIER and PARALLELCONTEXT.
- How can you troubleshoot common DAX errors (e.g., circular dependencies)?
- Explain the concept of star schema and snowflake schema for data modeling.
- How do you optimize performance using aggregations and partitions in your model?
- Describe techniques for handling large datasets efficiently in Power BI.
- How can you leverage Power BI memory optimization features?
- What is the role of Power BI in advanced analytics?
- How do you integrate machine learning models into Power BI?
- Explain the process of using R or Python scripts in Power BI.
- Can you create custom visuals in Power BI? If so, how?
- How can you perform sentiment analysis in Power BI?
- What is Power BI Service?
- How do you publish reports from Power BI Desktop to Power BI Service?
- Explain the process of sharing dashboards and reports in Power BI Service.
- What is the difference between a dashboard and a report in Power BI Service?
- How do you schedule data refresh in Power BI Service?
- How do you manage security in Power BI?
- What are the different types of roles available in Power BI?
- Explain the concept of row-level security in Power BI.
- How do you implement row-level security in Power BI?
- What are some best practices for administering Power BI?
- How can you integrate Power BI with other Microsoft products like SharePoint or Teams?
- What is Power BI Embedded?
- How do you embed Power BI reports into custom applications?
- Explain the process of embedding Power BI reports using the Power BI REST API.
- What are some considerations for embedding Power BI reports securely?
- How do you optimize report performance in Power BI?
- What are some common techniques for improving the load time of Power BI reports?
- How do you optimize DAX calculations for better performance?
- What role does data compression play in Power BI performance?
- How can you monitor and troubleshoot performance issues in Power BI?
- What is data governance in Power BI?
- How do you enforce data governance policies in Power BI?
- What are some best practices for data governance in Power BI?
- How do you manage data lineage in Power BI?
- What tools or features does Power BI provide for data governance?
- What is data refresh in Power BI?
- How do you configure scheduled data refresh for datasets in Power BI Service?
- What are dataflows in Power BI?
- How do dataflows differ from traditional data sources in Power BI?
- What are some benefits of using dataflows in Power BI?
- How do you monitor performance in Power BI?
- What tools or features does Power BI provide for performance monitoring?
- How do you identify and troubleshoot performance bottlenecks in Power BI?
- What are some best practices for optimizing performance in Power BI?
- How do you optimize data models for better performance?
- What are the different ways to connect to data sources in Power BI?
- How do you import data into Power BI from external sources?
- Explain the concept of DirectQuery in Power BI.
- What are some considerations for choosing between import and DirectQuery modes?
- How do you handle data transformation and cleaning in Power BI?
- What are custom visualizations in Power BI?
- How do you import and use custom visualizations in Power BI?
- Can you create your own custom visualizations in Power BI?
- What tools or languages can you use to develop custom visualizations?
- What are some considerations for choosing custom visualizations in Power BI?
- How do you integrate advanced analytics and AI capabilities into Power BI?
- What are some common scenarios where advanced analytics can add value to Power BI reports?
- How do you use R or Python scripts in Power BI for advanced analytics?
- What are some machine learning algorithms that can be applied within Power BI?
- How do you deploy machine learning models in Power BI?
- How do you deploy Power BI reports and dashboards?
- What are some considerations for deploying Power BI content to different environments?
- How do you share Power BI reports with stakeholders?
- What are some options for distributing Power BI reports to a wider audience?
- How do you manage access and permissions for Power BI content?
- How do you administer Power BI service for an organization?
- What are some best practices for managing Power BI workspaces?
- How do you enforce governance policies in Power BI?
- What tools or features does Power BI provide for monitoring usage and performance?
- How do you manage security and access controls in Power BI?
- How does Power BI integrate with other Microsoft products like Excel, SharePoint, and Teams?
- What are some third-party tools or platforms that Power BI can integrate with?
- How do you embed Power BI reports into custom applications or websites?
- What APIs does Power BI provide for integration with other systems?
- How do you use Power BI to analyze data from different sources and systems?
- Explain the integration between Power BI and Azure Machine Learning for data analysis.
- Describe the benefits of using Power BI Embedded for embedding reports in applications.
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