Question 1

What does DAX stand for in Power BI?

Accepted Answer

Data Analysis Expressions

Answer

Data Analytics Expressions

Answer

Data Analytics Execution

Answer

Data Analysis Execution

Question 2

What is the primary use of the SUM DAX function in Power BI?

Accepted Answer

Calculate the total of a column

Answer

Create new columns

Answer

Perform string manipulations

Answer

Filter data based on conditions

Question 3

How does the SUMX function differ from SUM in Power BI?

Accepted Answer

Iterates over a table to perform calculations

Answer

Combines multiple columns

Answer

Filters data based on conditions

Answer

Aggregates column values

Question 4

What must you have in order to use the SUMX function effectively?

Accepted Answer

A table with multiple rows

Answer

A chart visualization

Answer

Only one column of data

Answer

A pivot table

Question 5

Which DAX function would you use to create a measure that calculates the total sales of each product?

Accepted Answer

SUMX

Answer

SUM

Answer

CALCULATE

Answer

COUNT

Question 6

How can you apply the SUM DAX function to a column in Power BI?

Accepted Answer

Using a simple aggregation formula

Answer

Using a nested IF statement

Answer

Using a pivot table

Answer

Using a filter function

Question 7

What is a common use case for the SUMX function in Power BI?

Accepted Answer

Calculating weighted averages

Answer

Filtering data

Answer

Creating new columns

Answer

Simple summation of a column

Question 8

What is a key advantage of using DAX functions in Power BI?

Accepted Answer

Accurate value calculations across columns

Answer

Faster data import

Answer

Easier data entry

Answer

Simple visualizations

Question 9

In which component of Power BI can DAX functions be used besides Power BI Desktop?

Accepted Answer

Power Pivot

Answer

Power Map

Answer

Power Query

Answer

Power View

Question 10

What is the first step to apply the SUMX function in a Power BI report?

Accepted Answer

Define a table or column to iterate over

Answer

Create a chart visualization

Answer

Import the data

Answer

Set up a pivot table

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