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Microsoft PL-300 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Prepare the data	25-30%	- Load and configure data 1. Configure data refresh settings 2. Integrate data from multiple sources 3. Define table structures and properties - Profile and clean data 1. Transform data using Power Query Editor 2. Manage data types, columns, and rows 3. Resolve inconsistencies, null values, and errors 4. Evaluate data statistics and column properties - Get or connect to data 1. Choose storage modes: Import, DirectQuery, DirectLake 2. Configure data source settings, credentials, and privacy levels 3. Create and modify parameters 4. Identify and connect to data sources or shared semantic models
Topic 2: Model the data	25-30%	- Optimize model performance 1. Reduce cardinality and data size 2. Optimize relationships and calculations 3. Use aggregations and composite models - Design data models 1. Define tables, columns, and hierarchies 2. Implement role-playing dimensions 3. Create relationships: cardinality, cross-filter direction, security 4. Create common date tables - Create model calculations 1. Use DAX: calculated columns, calculated tables, measures 2. Use CALCULATE and filter context 3. Implement aggregation and time intelligence
Topic 3: Manage and secure Power BI	15-20%	- Manage workspaces and assets 1. Create and configure workspaces 2. Publish, update, and organize reports/datasets 3. Manage data refresh and scheduled updates - Implement security and governance 1. Apply data sensitivity labels and protection 2. Manage permissions and access 3. Configure row-level security (RLS) and object-level security - Deploy and distribute content 1. Monitor usage and performance 2. Share reports, dashboards, and apps 3. Embed content in applications or websites
Topic 4: Visualize and analyze data	25-30%	- Perform data analysis 1. Implement custom visuals and R/Python scripts 2. Interpret results and identify trends 3. Create and manage bookmarks and tooltips - Create reports and dashboards 1. Create dashboards and pinned elements 2. Choose appropriate visualizations 3. Design report layout, formatting, and interactivity 4. Apply filters, slicers, and drill-through - Enhance reports with analytics 1. Use AI visuals, forecasts, and key influencers 2. Apply conditional formatting and custom visuals 3. Create paginated reports

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最新的 Microsoft Certified: Power BI Data Analyst Associate PL-300 免費考試真題 (Q417-Q422):

問題 #417
You are configuring a Power BI report for accessibility as shown in the following table.

You need to change the default colors of all three visuals to make the report more accessible to users who have color vision deficiency.
Which two settings should you configure in the Customize theme window? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

A. Divergent colors
B. First-level elements colors
C. Sentiment colors
D. Theme colors

答案：A,D

問題 #418
For the sales department at your company, you publish a Power Bl report that imports data from a Microsoft Excel We located in a Microsoft SharePoint folder The data model contains several measures You need to create a Power Bl report from the existing dat a. The solution must minimize development effort. Which type ol data source should you use?

A. Power Bl dataset
B. a SharePoint folder
C. an Excel workbook
D. Power Bl dataflows

答案：B

問題 #419
In Power Query Editor, you have three queries named ProductCategory, ProductSubCategory, and Product.
Every Product has a ProductSubCategory.
Not every ProductsubCategory has a parent ProductCategory.
You need to merge the three quer ies into a single query. The solution must ensure the best performance in Power Query.
How should you merge the tables? To answer, drag the appropriate merge types to the correct queries. Each merge type may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

答案：

解題說明：

Explanation:
Box 1: Inner -
Every Product has a ProductSubCategory.
A standard join is needed.
One of the join kinds available in the Merge dialog box in Power Query is an inner join, which brings in only matching rows from both the left and right tables.
Box 2: Left outer -
Not every ProductsubCategory has a parent ProductCategory.
One of the join kinds available in the Merge dialog box in Power Query is a left outer join, which keeps all the rows from the left table and brings in any matching rows from the right table.
Reference:https://docs.microsoft.com/en-us/power-query/merge-queries-inner https://docs.microsoft.com/en- us/power-query/mer ge-queries-left-outer

問題 #420
You have a Microsoft Excel workbook that contains two tables.
From Power BI, you create a dashboard that displays data from the tables.
You update the tables each day.
You need to ensure that the virtualizations in the dashboard are updated daily.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to answer area and arrange them in the correct order.

答案：

解題說明：

1 - Download and install an on-premises data gateway(personal)
2 - For each dataset, modify the Gateway connection settings.
3 - For each database, modify the Schule Refreash settings.

問題 #421
Hotspot Question
You have a Power BI workspace that contains a semantic model and a report named Sales report.
All users in the sales department are assigned the Viewer role for the workspace.
The Sales report is configured as shown in the Sales report exhibit. (Click the Sales report tab.)

From Power BI Desktop, you configure the Report settings as shown in the Report settings exhibit. (Click the Report settings tab.)

For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.

答案：

解題說明：

問題 #422
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