Power BI Online Test
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The Power BI online test assesses knowledge of creating reports using Power BI.
The assessment includes work-sample tasks such as:
- Using DAX to create reports.
- Transforming and preparing data with Power Queries.
- Configuring charts to summarize and visualize data.
A good Power BI developer needs to know how to correctly configure charts and use Power Query to clean the data, as well as use DAX to create advanced reports.
Sample public questions
A Power BI report has a measure declared as:
Profit percentage = SUM(financials[Profit]) / CALCULATE(SUM(financials[Profit]), ALL(financials))
Select all the true statements if the "Profit percentage" is used as a value in a bar chart where Country is the axis.
A Power BI report for a model which has the Country, Sales, and Product fields should show the following bar chart:
Select all the things that need to be done to recreate the chart above.
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For companies: premium questions
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13 more premium Power BI questions
Query Join, Sales per Product, Sale Discount, Modifying Profit, Average Sales, Profit Chart, Regional Report, Net Adds, Grocery Sales, Beverage Sales, Book Sales, Marketing Performance Report, Device Purchases.
Skills and topics tested
- Power BI
- Power Query
- Matrix Visualization
- DAX
- Chart Configuration
- Drilldown
- Slicer
- Data Cleaning
- Data Aggregation
- Data Modeling
- Bug Fixing
- Row-Level Security
- Performance Tuning
For job roles
- Data Analyst
- Power BI Analyst
- Power BI Developer
Sample candidate report
What others say
Simple, straight-forward technical testing
TestDome is simple, provides a reasonable (though not extensive) battery of tests to choose from, and doesn't take the candidate an inordinate amount of time. It also simulates working pressure with the time limits.
Jan Opperman, Grindrod Bank
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