Power BI Fundamentals and Microsoft Ecosystem Questions
Fundamentals of Power BI usage, including Power BI Desktop and Power BI Service, data modeling with DAX, report and dashboard design, data connectivity within the Microsoft ecosystem (Excel, SQL Server, Azure Synapse/Azure SQL Database, Azure Data Lake), and governance, security, deployment patterns, and best practices for BI solutions in Microsoft-centric environments
EasyTechnical
0 practiced
Describe Power Query (M) role in Power BI Desktop for data ingestion and transformation. Explain typical ETL tasks (connect, shape, merge, pivot/unpivot, data type detection), how applied steps are recorded, and what query folding is. Walk through the UI steps you would use to combine multiple CSV files from a folder into a single table and why query folding matters for performance.
EasyTechnical
0 practiced
As the BI analyst responsible for monthly financial reports, list the data-quality checks and automated monitoring you would implement to ensure accurate and timely reporting. Include checks for completeness, accuracy, timeliness, consistency across systems, and lineage traceability and describe how you would alert owners when checks fail.
HardTechnical
0 practiced
Design and implement dynamic Row-Level Security where permissions are driven by Azure AD group membership and a central mapping table that links UserPrincipalName to Region. Explain how you would store and refresh the mapping data, how to write the DAX filter to enforce security, how to handle AD group resolution if needed, performance considerations, and how you would test in Power BI Service.
MediumTechnical
0 practiced
How would you model and handle many-to-many relationships in Power BI without sacrificing correctness or performance? Discuss options such as using a bridge table (junction table), the built-in many-to-many cardinality, and bi-directional filtering. For each option outline pros and cons, and recommend best practices for DAX measures in these scenarios.
HardTechnical
0 practiced
Write a DAX measure that returns Top N products by sales where N is selected by a slicer table TopN[Value]. The visual should list product names and include a cumulative percentage of total sales for the current filter context. Ensure ties are handled deterministically and the measure respects all other slicers. Provide the DAX code and a brief explanation of your approach.
Unlock Full Question Bank
Get access to hundreds of Power BI Fundamentals and Microsoft Ecosystem interview questions and detailed answers.
Sign in to ContinueJoin thousands of developers preparing for their dream job.