最新のPL-300資格勉強 &合格スムーズPL-300資格認定試験 |効果的なPL-300予想試験Microsoft Power BI Data Analyst

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Microsoft PL-300 Exam Syllabus Topics:

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

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                                                                                  PL-300資格認定試験、PL-300予想試験

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                                                                                  Microsoft Power BI Data Analyst 認定 PL-300 試験問題 (Q179-Q184):

                                                                                  質問 # 179
                                                                                  You need to create a relationship in the dataset for RLS.
                                                                                  What should you do? To answer select the appropriate options in the answer area.
                                                                                  NOTE: Each correct selection is worth one point.

                                                                                  正解：

                                                                                  解説：
                                                                                  See the answer as below in explanation.
                                                                                  Explanation:
                                                                                  Answer as below


                                                                                  質問 # 180
                                                                                  Your organization has a team of power users who recently created 20 Power BI dashboards.
                                                                                  The power users share the dashboards with other users in the organization.
                                                                                  When the users attempt to access the dashboards, they receive the error message shown in the exhibit. (Click the Exhibit.)

                                                                                  You need to ensure that all the users can access the dashboards.
                                                                                  What should you do first?

                                                                                  正解：A

                                                                                  解説：
                                                                                  References:
                                                                                  http://www.nubo.eu/en/blog/2016/12/Enable-PowerBI-On-Office-365/


                                                                                  質問 # 181
                                                                                  You have the tables shown in the following table.

                                                                                  The Impressions table contains approximately 30 million records per month.
                                                                                  You need to create an ad analytics system to meet the following requirements:
                                                                                  Present ad impression counts for the day, campaign, and Site_name. The analytics for the last year are required.
                                                                                  Minimize the data model size.
                                                                                  Which two actions should you perform? Each correct answer presents part of the solution.
                                                                                  NOTE: Each correct selection is worth one point.

                                                                                  正解：B、D

                                                                                  解説：
                                                                                  Grouping in power query reduces the number of rows in the impression table that is gonna be loaded in the model. Creating relationships doesn't increase the size of the model.


                                                                                  質問 # 182
                                                                                  You have a Microsoft Power Bl dashboard. The report used to create the dashboard uses an imported dataset from a Microsoft SQL Server data source. The dashboard is shown in the exhibit. (Click the Exhibit tab.)

                                                                                  What occurred at 12:03:06 PM?

                                                                                  正解：C

                                                                                  解説：
                                                                                  Reference:
                                                                                  https://docs.microsoft.com/en-us/power-bi/connect-data/refresh-data


                                                                                  質問 # 183
                                                                                  You are creating a Microsoft Power Bl model that has two tables named CityData and Sales. CityData contains only the data shown in the following table.

                                                                                  Sales contains only the data shown in the following table.

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

                                                                                  正解：

                                                                                  解説：

                                                                                  Explanation:

                                                                                  Box 1: Yes
                                                                                  The Related function returns a related value from another table.
                                                                                  The RELATED function requires that a relationship exists between the current table and the table with related information. You specify the column that contains the data that you want, and the function follows an existing many-to-one relationship to fetch the value from the specified column in the related table. If a relationship does not exist, you must create a relationship.
                                                                                  Box 2: Yes
                                                                                  Box 3: No
                                                                                  TX only occurs in the Sales table, but not in the CityData table.
                                                                                  Reference:
                                                                                  https://docs.microsoft.com/en-us/dax/related-function-dax
                                                                                  https://docs.microsoft.com/en-us/dax/calculate-function-dax


                                                                                  質問 # 184
                                                                                  ......

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