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Quiz on Introduction to DAX in Power BI

by Quiz Orbit Team

DAX (Data Analysis Expressions) is the formula language used in Power BI, Excel Power Pivot, and Analysis Services to create custom calculations and aggregations. It allows analysts to build calculated columns, measures, and tables, enabling powerful data modelling and advanced analytics. Understanding DAX is essential for creating dynamic and interactive reports in Power BI.

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Question 1 of 15
1. Question
What does DAX stand for in Power BI?
- Data Analysis Expressions
- Data Analytics Extensions
- Data Aggregation Expressions
- Dynamic Analysis Expressions
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Question 2 of 15
2. Question
Which of the following is NOT a purpose of DAX?
- Create custom calculations
- Build interactive visuals
- Aggregate data
- Filter data
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Question 3 of 15
3. Question
Where can DAX formulas be used in Power BI?
- Calculated columns
- Measures
- Calculated tables
- All of the above
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Question 4 of 15
4. Question
Which type of DAX formula stores values for each row in a table?
- Measure
- Calculated column
- Calculated table
- Parameter
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Question 5 of 15
5. Question
Which type of DAX formula calculates values dynamically based on filters applied in visuals?
- Calculated column
- Measure
- Calculated table
- Query
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Question 6 of 15
6. Question
What is the evaluation context in DAX?
- The speed of formula execution
- The set of rows and filters under which a calculation is performed
- The physical storage location of data
- The name of the column being calculated
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Question 7 of 15
7. Question
Which DAX function returns the sum of a column?
- COUNT()
- SUM()
- TOTAL()
- SUMX()
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Question 8 of 15
8. Question
What does the CALCULATE() function in DAX do?
- Creates a calculated column
- Changes the filter context of a calculation
- Formats numeric values
- Creates a table
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Question 9 of 15
9. Question
Which of these is a row context function?
- FILTER()
- EARLIER()
- ALL()
- CALCULATE()
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Question 10 of 15
10. Question
Which function is used to remove filters in DAX?
- REMOVE()
- CLEAR()
- ALL()
- DELETE()
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Question 11 of 15
11. Question
Which of the following is TRUE about DAX functions?
- They are case-sensitive
- They are not case-sensitive
- They can only be used in Excel
- They require programming knowledge
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Question 12 of 15
12. Question
Which function would you use to count distinct values in a column?
- COUNT()
- COUNTROWS()
- DISTINCTCOUNT()
- COUNTA()
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Question 13 of 15
13. Question
Which of these is a table function in DAX?
- VALUES()
- SUM()
- MAX()
- IF()
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Question 14 of 15
14. Question
What is the main difference between SUM() and SUMX()?
- SUMX() works on expressions for each row before summing
- SUMX() is faster than SUM()
- SUMX() only works on text values
- SUMX() ignores filters
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Question 15 of 15
15. Question
Which of the following best describes DAX?
- A database engine
- A programming language for visuals
- A functional formula language for calculations and data analysis
- A file format for Power BI
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Summary

These Introduction to DAX in Power BI MCQs cover key concepts such as calculated columns, measures, tables, evaluation context, and core DAX functions like CALCULATE(), SUM(), and ALL(). Mastering DAX is essential for creating advanced, dynamic, and context-aware calculations in Power BI reports.

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Quiz Orbit Team

At QuizOrbit, our team specializes in fun, informative quizzes across topics like general knowledge, technology, and entertainment. Boost your knowledge with our expert-designed quizzes.

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