PL-300考試指南 - PL-300套裝

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Microsoft PL-300 Exam Syllabus Topics:

SectionWeightObjectives
Visualize and analyze data25-30%- Enhance reports with analytics
  • 1. Apply conditional formatting and custom visuals
    • 2. Create paginated reports
      • 3. Use AI visuals, forecasts, and key influencers
        - Perform data analysis
        • 1. Create and manage bookmarks and tooltips
          • 2. Implement custom visuals and R/Python scripts
            • 3. Interpret results and identify trends
              - Create reports and dashboards
              • 1. Design report layout, formatting, and interactivity
                • 2. Apply filters, slicers, and drill-through
                  • 3. Choose appropriate visualizations
                    • 4. Create dashboards and pinned elements
                      Prepare the data25-30%- Profile and clean data
                      • 1. Resolve inconsistencies, null values, and errors
                        • 2. Evaluate data statistics and column properties
                          • 3. Transform data using Power Query Editor
                            • 4. Manage data types, columns, and rows
                              - Load and configure data
                              • 1. Define table structures and properties
                                • 2. Configure data refresh settings
                                  • 3. Integrate data from multiple sources
                                    - Get or connect to data
                                    • 1. Create and modify parameters
                                      • 2. Identify and connect to data sources or shared semantic models
                                        • 3. Configure data source settings, credentials, and privacy levels
                                          • 4. Choose storage modes: Import, DirectQuery, DirectLake
                                            Model the data25-30%- Optimize model performance
                                            • 1. Use aggregations and composite models
                                              • 2. Reduce cardinality and data size
                                                • 3. Optimize relationships and calculations
                                                  - Create model calculations
                                                  • 1. Implement aggregation and time intelligence
                                                    • 2. Use CALCULATE and filter context
                                                      • 3. Use DAX: calculated columns, calculated tables, measures
                                                        - Design data models
                                                        • 1. Create relationships: cardinality, cross-filter direction, security
                                                          • 2. Implement role-playing dimensions
                                                            • 3. Define tables, columns, and hierarchies
                                                              • 4. Create common date tables
                                                                Manage and secure Power BI15-20%- Implement security and governance
                                                                • 1. Manage permissions and access
                                                                  • 2. Configure row-level security (RLS) and object-level security
                                                                    • 3. Apply data sensitivity labels and protection
                                                                      - Manage workspaces and assets
                                                                      • 1. Publish, update, and organize reports/datasets
                                                                        • 2. Create and configure workspaces
                                                                          • 3. Manage data refresh and scheduled updates
                                                                            - Deploy and distribute content
                                                                            • 1. Monitor usage and performance
                                                                              • 2. Share reports, dashboards, and apps
                                                                                • 3. Embed content in applications or websites

                                                                                  >> PL-300考試指南 <<

                                                                                  PL-300套裝 - PL-300熱門考古題

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                                                                                  最新的 Microsoft Certified: Power BI Data Analyst Associate PL-300 免費考試真題 (Q280-Q285):

                                                                                  問題 #280
                                                                                  You have a Power Bl semantic model that contains the data sources shown in the following table.

                                                                                  You need to configure the privacy levels of the data sources.
                                                                                  What should you configure (01 each data source? To answer, select (he appropriate options in the answer area.
                                                                                  NOTE: Each correct answer is worth one point.

                                                                                  答案：

                                                                                  解題說明：


                                                                                  問題 #281
                                                                                  You need to create a visualization that compares revenue and cost over time.
                                                                                  Which type of visualization should you use?

                                                                                  答案：B

                                                                                  解題說明：
                                                                                  A line chart or line graph displays the evolution of one or several numeric variables. Data points are connected by straight line segments. A line chart is often used to visualize a trend in data over intervals of time - a time series - thus the line is often drawn chronologically.
                                                                                  Example:

                                                                                  Incorrect Answers:
                                                                                  A: Stacked area charts are not appropriate to study the evolution of each individual group: it is very hard to substract the height of other groups at each time point.
                                                                                  Note: A stacked area chart is the extension of a basic area chart. It displays the evolution of the value of several groups on the same graphic. The values of each group are displayed on top of each other, what allows to check on the same figure the evolution of both the total of a numeric variable, and the importance of each group.
                                                                                  Reference:
                                                                                  https://www.data-to-viz.com/graph/line.html


                                                                                  問題 #282
                                                                                  You have a folder of monthly transaction extracts.
                                                                                  You plan to create a report to analyze the transaction data.
                                                                                  You receive the following email message: "Hi. I've put 24 files of monthly transaction data onto the shared drive. File Transactions201901.csv through Transactions201912.csv have the latest set of columns, but files Transactions201801.csv to Transactions201812.csv have an older layout without the extra fields needed for analysis. Each file contains 10 to 50 transactions." You get data from the folder and select Combine & Load. The Combine Files dialog box is shown in the exhibit. (Click the Exhibit 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 #283
                                                                                  You create a report by using Microsoft Power BI Desktop.
                                                                                  The report uses data from a Microsoft SQL Server Analysis Services (SSAS) cube located on your company's internal network.
                                                                                  You plan to publish the report to the Power BI Service.
                                                                                  What should you implement ta ensure that users who consume the report from the Power BI Service have the most up-to-date data from the cube?

                                                                                  答案：B

                                                                                  解題說明：
                                                                                  Explanation
                                                                                  When you've created dynamic reports in Power BI Desktop, you can share them by publishing to your Power BI site. When you publish a Power BI Desktop file with a live connection to a tabular model to your Power BI site, an on-premises data gateway must be installed and configured by an administrator.


                                                                                  問題 #284
                                                                                  You have a report in Power BI Desktop.
                                                                                  You add a key influencers visual as shown in the exhibit. (Click the Exhibit tab.)

                                                                                  Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
                                                                                  NOTE: Each correct selection is worth one point.

                                                                                  答案：

                                                                                  解題說明：

                                                                                  Explanation:
                                                                                  - adding more fields to Explain By
                                                                                  - 3
                                                                                  https://learn.microsoft.com/en-us/power-bi/visuals/power-bi-visualization-influencers?tabs=powerbi-desktop


                                                                                  問題 #285
                                                                                  ......

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