Why does JSON data usually need transformation before analysis?

Where can you update file paths when a source file moves in Power BI?

When connecting to SharePoint Online Lists, what URL should you provide?

Which storage mode stores data inside the Power BI file?

Sarah is building a report for a department where data cannot be copied for security reasons. She needs live access to the data source.
Which storage mode should she use?

A report shows blank columns after importing from SQL Server. What is the most likely cause?

James wants fast performance and full Power BI features for a medium-sized dataset. Which model framework should he choose?

Which core task of a data analyst involves cleaning, profiling, and transforming raw data?

Alex is reviewing a sales column in Power BI and observes unusual outliers. He wants to analyze how the values are distributed across different ranges to better understand the data pattern.

Which data profiling feature should Alex use?

Maria wants to check the percentage of valid, error, and empty values in each column before modeling the data. Which feature should she use?

A company extracts data from multiple sources, loads the raw data into a cloud data warehouse, and then performs transformations inside the warehouse.

Which approach is being used?

A retail manager asks, “Why did sales drop last month in the North region?” and expects analysis that identifies causes.

In Power BI, what is the primary purpose of a semantic model?

When connecting to a SQL Server database to get data, which language should you use to extract data?

You want Power BI reports to reflect changes immediately after an Azure Analysis Services cube refresh. How should you connect?

What is the best way to improve performance when loading data into Power BI?

A data analyst at CodeSphere Hub is building a Power BI report to analyze customer transactions stored in a structured database. The data is organized into relational tables such as Customers, Orders, and Products, and the analyst needs Power BI to connect directly to these tables and retrieve data using database queries for efficient reporting and real-time analysis.

Which data source should the analyst use to connect Power BI directly to the relational tables?

Which data role enables advanced analytics through reports and visualizations?

Which data analyst task has the greatest impact on report performance?

What is the most important benefit of data analysis?

What is the common flow of activity in Power BI?

Which are the core building blocks of Power BI?

Alex, a business analyst at SummitTech Solutions, is asked to create a Power BI dashboard that combines sales, customer feedback, and inventory data from multiple sources. Before visualizing the data, he needs to clean, transform, and shape it.

Which Power BI tool should Alex use?

Which Power BI component is primarily used for publishing, sharing, and managing reports?