PL 300 Renewal Questions 2025
The following markdown file contains questions found in the Power BI PL-300
Certification Renewal Exam, which have been obtained via web scraping and
browsing exam dumps.
They're sorted in no specific order, and answered by an LLM (THIS IS NOT AN
OFFICIAL ANSWER).
Q1.
You preview a query from the Power Query Editor.
You notice that Column A contains blank values and null values.
You need to convert all blank values to null.
Which option should you select from Column A?
Select only one answer.

Clean

Fill Down

Replace Errors

Replace Values
Q2.
You are previewing an Excel file in Power Query Editor by using Power BI Desktop.
The file contains data in two columns. One column lists categories. The other column
lists subcategories in each category.
You need to transform the data to a table that has a separate column for each
category and contains the count of subcategories for each category.
What transform should you use?
Select only one answer.

Pivot

Promote headers

Transpose

Unpivot
Q3.
You are previewing two queries named Query1 and Query2 in Power Query Editor.
Query1 contains data about employee IDs 1 through 10. Query2 contains data about
employee IDs 5 through 15.
You merge by using a left outer join from Query1 to Query2.
Which employee IDs will be present in the merged query?
Select only one answer.

1 through 10

5 through 10

5 through 15

11 through 15
Q4.
You need to create a relationship between two tables named Sales and Sales
Detail in a Power BI data model. For every row in the Sales table, there is at least
one row, and possibly multiple rows, in the Sales Detail table.
How should you configure the relationship?
Select only one answer.

many-to-many from Sales to Sales Detail

many-to-one from Sales to Sales Detail

one-to-many from Sales to Sales Detail

one-to-one from Sales to Sales Detail
Q5.
You preview a single table in the Power Query Editor in Power BI Desktop. The table
contains the following columns: LocationName, LocationID, Temperature,
and DateTime.
You need to convert the table into a properly formed star schema.
To which table should you add the LocationName field?
Select only one answer.

Date Dimension

Location Dimension

Location Fact

Temperature Measurements Fact
Q6.
You have a Microsoft Power BI semantic model that contains a dimension table
named DimCustomer and a fact table named FactOrder. DimCustomer contains one
row per customer. FactOrder contains one row per order.
You need to create a relationship between DimCustomer and FactOrder.
Which type of relationship cardinality should you choose?
Select only one answer.

many-to-many

many-to-one

one-to-many

one-to-one
Q7.
You have a Microsoft Power BI semantic model that contains three tables
named DimDate, FactSales, and FactInventory. DimDate is a dimension table that
contains one row per date. FactSales is a fact table that contains one row per item
sold. FactInventory is a fact table that contains one row per item in the inventory per
day.
DimDate is related to both FactSales and FactInventory.
What type of dimension is DimDate?
Select only one answer.

degenerate dimension

junk dimension

outrigger dimension

role-playing dimension
Q8.
You have a Power BI model that contains a table named Person. The Person table
contains a whole number column named Age.
You need to write a DAX measure that finds the middle value in the range of Age
values.
What formula should you use?
Select only one answer.

AVERAGE('Person'[Age])

MEDIAN('Person'[Age])

RANK.EQ('Person'[Age], ‘Person’[Age])

STDEV.P('Person'[Age])
Q9.
You have a Power BI data model that contains the following three tables:

Sales

Date

Product
The Sales table is related to the Date and Product tables by using many-to-one
relationships. The Sales table contains a column named Total Sales Amount.
You need to create a measure named Total Sales that can be used in visuals to
aggregate Total Sales Amounts by product or by date.
What should you use?
Select only one answer.

Total Sales = ALL(‘Sales’[Total Sales Amount])

Total Sales = CALCULATE([Total Sales])

Total Sales = MAX(‘Sales’[
Q10.
You have a Microsoft Power BI semantic model that contains a table
named Table1. Table1 contains five columns named Sales Date, Product
ID, Quantity, Item Price, and Region.
You need to create a measure named Avg Price - All Regions that calculates the
average item price for items sold across all regions.
Which expression should you use in the measure?
Select only one answer.

CALCULATE( AVERAGE( Table1[Item Price] ), REMOVEFILTERS(
Table1[Region] ) )

CALCULATETABLE( AVERAGEX( Table1[Item Price] ), REMOVEFILTERS(
Table1[Region] ) )

CALCULATE( MEDIAN( Table1[Item Price] ), ALL( Table1[Region] ) )

SUMMARIZE( Table1[Item Price])
Q11.
You have a Microsoft Power BI semantic model that contains two tables
named FactInventory and DimDate. FactInventory is a fact table that contains one
row per product per weekday. Inventory balances are NOT recorded on
weekends. DimDate is the date table in the model.
You need to create a measure that shows the last available inventory balance for a
selected period.
Which DAX function should you include in the solution?
Select only one answer.

EOMONTH

FIRSTNONBLANK

LASTNONBLANK

NETWORKDAYS
Q12.
You create a Power BI model that contains the sales for the last five years. The size
of the model is 950 MB. The Sales table contains five million rows.
You need to minimize the model size and perform the following analysis:

Current and one previous year sales for all active products

Current year sales by product category
What should you do?
Select only one answer.

Remove the Product Status column.

Remove the rows that relate to inactive products.

Remove the rows that relate to sales that occurred more than two years
earlier.

Remove the Sale Date column.
Q13.
You open a report in Microsoft Power BI Desktop and run Performance Analyzer.
The results show a high number of visual displays.
What is a possible cause of the performance issues?
Select only one answer.

misconfigured relationships

too many columns in the underlying tables

too many fields used in visuals

unoptimized measures
Q14.
You have a Power BI model that contains sensor data from 500 sensors that return
temperature readings each minute.
Your reporting requirements include the calculation and display of the average
temperature from each sensor at every hour. The reports do NOT show the raw data
for each minute.
You need to reduce the size of the model to improve performance.
What should you do?
Select only one answer.

Add a report filter for the Hour column.

Create visuals that group the data by hour.

Remove the rows that contain readings.

Use Power Query to group the sensor data by hour.
Q15.
You plan to use a Power BI report visual to display sales values that change over
time.
You need to identify a visualization to use. The solution must clearly illustrate the
changes of sales values over time.
Which visualization type should you identify?
Select only one answer.

Column chart

Doughnut chart

Funnel chart

Pie chart
Q16.
You are creating a visualization in a Power BI report.
You need to recommend which visualization to use in the report to perform a quick
comparison of the current quarter sales by country.
Which visualization type should you recommend?
Select only one answer.

column chart

gauge chart

matrix

scatter chart
Q17.
You have a Microsoft Power BI report that contains two pages. The first page
contains a clustered bar chart.
You plan to configure the clustered bar chart to use the second page as a tooltip
report.
What should be done on the second page?
Select only one answer.

The Allow Q&A setting must be enabled.

The Allow use as tooltip setting must be enabled.

The canvas background transparency must be set to 100%.

The Canvas setting must be set to Tooltip.
Q18.
You create a Microsoft Power BI report that will be accessed by hundreds of users
on their laptops. The report contains one page. The page size is set to the custom
dimensions of 2500 x 3500.
You set Page view to Actual size and publish the report to the Power BI service.
What is the resulting user experience?
Select only one answer.

a page background image with a misconfigured aspect ratio

a page that requires users to interact with scrollbars to view the entire
page

a page that requires users to zoom out to read the visuals

a page with a large area of wallpaper shown at the bottom of the page
Q19.
You have a Microsoft Power BI report that contains a single page. The page contains
six visuals and a button.
You need to create a solution that enables users to replace two visuals with two
other visuals by selecting the button.
What should you do in the selection pane first?
Select only one answer.

Group the two visuals that will be replaced when selecting the button.

Group visuals that will not be affected by selecting the button.

In the tab order, hide the two visuals that will be replaced.

In the layer order, move the two visuals that will be replaced to the bottom.
Q20.
You have a report that contains a bar chart and a pie chart. The interactions use the
default settings.
You need to ensure that when you select a bar, the pie chart redraws showing only
the data related to the bar.
You enable Edit Interactions.
What should you do next?
Select only one answer.

Select the pie chart and set the bar chart interaction to Filter.

Select the pie chart and set the bar chart interaction to None.

Select the bar chart and set the pie chart interaction to Filter.

Select the bar chart and set the pie chart interaction to None.