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Power Bi Dax Fundamentals Practice Exam

Test yourself under real exam conditions: 50 timed questions, 60 on the clock, pass mark 70%%. Instant score with a full review of everything you got wrong. Free — no account needed.

📝 50 questions · ⏱ 60 minutes · 🎯 Pass mark 70% · 🆓 Free, no signup

Exam details

  • 50 questions drawn from 214 cards
  • Countdown timer — auto-submits when time runs out
  • Pass mark 70% (real certification threshold)
  • Full review of wrong answers at the end
  • No signup required — save your score with a free account

Sample Questions

5 shown

What is a DAX measure?

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A calculated formula created using DAX that is evaluated at query time based on filter context. Measures return dynamic values depending on the filters applied in the report, unlike calculated columns which are computed at refresh time.

How does filter context work in DAX?

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Filter context is the set of filters applied to a calculation, generated by slicers, visuals, page-level filters, or row-level security. It determines which rows of each table are visible to a measure or expression during evaluation.

What does the CALCULATE function do?

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CALCULATE evaluates an expression in a modified filter context. It can add, replace, or remove filters on specified columns, overriding the existing filter context for the calculation.

What is the syntax for CALCULATE?

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CALCULATE(, , , ...). The expression is evaluated after applying all listed filter arguments, which can be boolean expressions, table expressions, or KEEPFILTERS modifiers.

What is the difference between CALCULATE and CALCULATETABLE?

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CALCULATE returns a scalar value, while CALCULATETABLE returns a table. Both modify filter context, but CALCULATETABLE is used when the result is a table of rows needed for further iteration or filtering.

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