DAX Online Test
About the test
The DAX online test assesses candidates' ability to use DAX for Power BI reports.
It’s an ideal test for pre-employment screening. A good Power BI developer needs to be able to write DAX expressions, to create calculated columns, measures, and custom tables from data that is already in your model.
This online test requires candidates to answer multiple-choice and fill the blanks questions about DAX.
Sample public questions
A business owner needs a Power BI report which shows the projected quantity for each item. The "quantity" column is in the "items" table.
Fill in the blank of the following DAX expression for a new column that will compute the projected quantity, which is the current quantity plus 12%:
Projected Quantity = ______________ * 1.12
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.
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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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