Microsoft Power BI Data Analyst (PL-300)

Question 1

What does the DAX function CALCULATE() do?

Performs mathematical calculations on columns Evaluates an expression in a modified filter context Counts rows in a table Returns a value from a related table

Correct Answer:

Evaluates an expression in a modified filter context

Question 2

What is the result of the DAX expression SUMX(Sales, Sales[Quantity] * Sales[Price])?

The sum of the Quantity column The row-by-row product of Quantity and Price, summed across all rows The average of Quantity times Price A count of rows where Quantity times Price is not blank

Correct Answer:

The row-by-row product of Quantity and Price, summed across all rows

Question 3

What does ALL() do when used inside CALCULATE()?

Applies all slicers to the calculation Removes filters from the specified table or columns Adds all rows to the calculation Returns all unique values in a column

Correct Answer:

Removes filters from the specified table or columns

Question 4

What is the difference between DISTINCTCOUNT() and COUNT() in DAX?

COUNT counts blanks; DISTINCTCOUNT does not DISTINCTCOUNT counts unique non-blank values; COUNT counts all non-blank values including duplicates They are identical in behavior COUNT only works on numeric columns; DISTINCTCOUNT works on text

Correct Answer:

DISTINCTCOUNT counts unique non-blank values; COUNT counts all non-blank values including duplicates

Question 5

In DAX, what does the RELATED() function do?

Creates a new relationship between tables Returns a value from a related table by following an existing relationship Lists all related tables in the model Filters a related table

Correct Answer:

Returns a value from a related table by following an existing relationship

Question 1

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About this Exam

Prepare with the Microsoft Power BI Data Analyst (PL-300) practice quiz. This question bank includes 50 questions covering power, data, desktop, available, and relationship. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Microsoft Power BI Data Analyst (PL-300)

This practice set contains 50 questions from the matching question bank and focuses on power, data, desktop, available, and relationship. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Microsoft Power BI Data Analyst (PL-300)

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