Microsoft Azure
Microsoft Power BI Data Analyst
PL-300
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Validate your skills as a Microsoft Power BI Data Analyst with the PL-300 exam.
153 questions
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Questions 81–90 of 153
What happens when data refresh fails in Power BI scheduled refresh?
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A
Data is automatically fixed
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B
Nothing, refresh is retried
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C
Data remains unchanged
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D
Report returns error message
Explanation
When refresh fails, the last successful data remains; the report does not update until a successful refresh.
Which DAX function calculates the cumulative total over a period?
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A
TOTALYTD
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B
SUM
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C
CALCULATE
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D
AVERAGE
Explanation
TOTALYTD is specifically designed to compute cumulative totals year-to-date, while the others are basic aggregation functions.
A company needs to visualize monthly sales data in a dashboard. What should they use?
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A
Scatter Chart
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B
Line Chart
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C
Pie Chart
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D
Table
Explanation
A Line Chart is suitable for showing trends over time, unlike the other options which serve different purposes.
You are configuring data refresh settings in Power BI. What happens if a refresh fails?
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A
Data refresh auto-succeeds
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B
Dataset becomes unusable
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C
You get a notification
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D
Reports are deleted
Explanation
You receive a notification upon refresh failure to address the issue, while the other options are incorrect scenarios.
Which Power BI feature allows for real-time data updates?
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A
DirectQuery
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B
Dataflow
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C
Import Mode
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D
Paginated Reports
Explanation
DirectQuery connects to live data sources, enabling real-time updates, while others do not.
A company needs to segment its sales data by region and price range efficiently. What Power BI feature should they utilize?
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A
Dataflow
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B
Calculated Columns
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C
Row-Level Security
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D
Bookmarks
Explanation
Calculated Columns allow for custom segmentation of data for visualizations, while others do not segment data effectively.
What happens when you apply a filter to a visual in Power BI?
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A
Only affects the entire report
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B
Excludes all visuals
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C
Limits data shown in that visual
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D
Resets other filters automatically
Explanation
Applying a filter limits data shown only in that specific visual, while others misrepresent the filter functionality.
Which Power BI feature allows team collaboration on reports?
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A
Workspaces
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B
Dataflows
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C
Bookmarks
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D
Dashboards
Explanation
Workspaces provide a shared environment for collaboration; others serve different purposes.
A company needs to analyze customer data stored in Azure SQL Database using Power BI. What must be configured first?
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A
Develop reports in Power BI Service
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B
Enable DirectQuery in Power BI
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C
Create an Azure Storage account
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D
Create an RDL file
Explanation
DirectQuery allows real-time data access from Azure SQL; others are irrelevant.
What happens when you set a Power BI report onSchedule refresh?
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A
Data is downloaded locally
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B
Data is updated without user intervention
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C
Reports are deleted
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D
Users receive email notifications
Explanation
Scheduled refresh automatically updates data in reports; others are incorrect actions.