PL-300試験無料問題集「Microsoft Power BI Data Analyst 認定」
You have four sales regions. Each region has multiple sales managers.
You implement row-level security (RLS) in a data model. You assign the relevant distribution lists to each role.
You have sales reports that enable analysis by region. The sales managers can view the sales records of their region. The sales managers are prevented from viewing records from other regions.
A sales manager changes to a different region.
You need to ensure that the sales manager can see the correct sales data.
What should you do?
You implement row-level security (RLS) in a data model. You assign the relevant distribution lists to each role.
You have sales reports that enable analysis by region. The sales managers can view the sales records of their region. The sales managers are prevented from viewing records from other regions.
A sales manager changes to a different region.
You need to ensure that the sales manager can see the correct sales data.
What should you do?
正解：A
解答を投票する
解説: (GoShiken メンバーにのみ表示されます)
You manage a Power BI model has a table named Sales and product.
You need to ensure that a sales team can view only data that has a CountryRegionName value of United States and a ProductCategory value of Clothing.
What should you do from Power BI Desktop?
You need to ensure that a sales team can view only data that has a CountryRegionName value of United States and a ProductCategory value of Clothing.
What should you do from Power BI Desktop?
正解：A
解答を投票する
解説: (GoShiken メンバーにのみ表示されます)
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?
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?
正解：A
解答を投票する
解説: (GoShiken メンバーにのみ表示されます)
You are profiling data by using Power Query Editor.
The AddressLine2 column in a table named Address is shown in the following exhibit.
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.
The AddressLine2 column in a table named Address is shown in the following exhibit.
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.
正解：
Explanation:
You have five sales regions. Each region is assigned a single salesperson.
You have an imported dataset that has a dynamic row-level security (RLS) role named Sales. The Sales role filters sales transaction data by salesperson.
Salespeople must see only the data from their region.
You publish the dataset to powerbi.com, set RLS role membership, and distribute the dataset and related reports to the salespeople.
A salesperson reports that she believes she should see more data.
You need to verify what data the salesperson currently sees.
What should you do?
You have an imported dataset that has a dynamic row-level security (RLS) role named Sales. The Sales role filters sales transaction data by salesperson.
Salespeople must see only the data from their region.
You publish the dataset to powerbi.com, set RLS role membership, and distribute the dataset and related reports to the salespeople.
A salesperson reports that she believes she should see more data.
You need to verify what data the salesperson currently sees.
What should you do?
正解：B
解答を投票する
解説: (GoShiken メンバーにのみ表示されます)
Your company has affiliates who help the company acquire customers.
You build a report for the affiliate managers at the company to assist them in understanding affiliate performance.
The managers request a visual showing the total sales value of the latest 50 transactions for each affiliate. You have a data model that contains the following tables.
You need to develop a measure to support the visual.
How should you complete the DAX expression? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
You build a report for the affiliate managers at the company to assist them in understanding affiliate performance.
The managers request a visual showing the total sales value of the latest 50 transactions for each affiliate. You have a data model that contains the following tables.
You need to develop a measure to support the visual.
How should you complete the DAX expression? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解：
Explanation:
Box 1: CALCULATE
Start with CALCULATE and use a SUMX.
CALCULATE evaluates an expression in a modified filter context.
Box 2: SUM
Box 3: TOPN
TOPN returns the top N rows of the specified table.
Box 4: [TransactionDate]
TOPN Syntax: TOPN(<n_value>, <table>, <orderBy_expression>, [<order>[, <orderBy_expression>,
[<order>]]...])
The orderBy_expression: Any DAX expression where the result value is used to sort the table and it is evaluated for each row of table.
Reference:
https://docs.microsoft.com/en-us/dax/topn-function-dax
You have a Power B1 semantic model that contains two tables named Dim Location and Fact Deliveries. The relationships between the tables are configured as shown in the following table.
The model contains one measure that has the following formula.
Deliveries = COUNTROWS('fact Deliveries')
The model contains one measure that has the following formula.
Deliveries = COUNTROWS('fact Deliveries')
正解：
Explanation:
You are creating a query to be used as a Country dimension in a star schema.
A snapshot of the source data is shown in the following table.
You need to create the dimension. The dimension must contain a list of unique countries.
Which two actions should you perform? Each correct answer presents part of the solution.
A snapshot of the source data is shown in the following table.
You need to create the dimension. The dimension must contain a list of unique countries.
Which two actions should you perform? Each correct answer presents part of the solution.
正解：B,D
解答を投票する
解説: (GoShiken メンバーにのみ表示されます)
You have a Microsoft Power Bl report. The size of PBIX file is 550 MB. The report is accessed by using an App workspace in shared capacity of powerbi.com.
The report uses an imported dataset that contains one fact table. The fact table contains 12 million rows. The dataset is scheduled to refresh twice a day at 08:00 and 17:00.
The report is a single page that contains 15 custom visuals and 10 default visuals.
Users say that the report is slow to load the visuals when they access and interact with the report You need to recommend a solution to improve the performance of the report.
What should you recommend?
The report uses an imported dataset that contains one fact table. The fact table contains 12 million rows. The dataset is scheduled to refresh twice a day at 08:00 and 17:00.
The report is a single page that contains 15 custom visuals and 10 default visuals.
Users say that the report is slow to load the visuals when they access and interact with the report You need to recommend a solution to improve the performance of the report.
What should you recommend?
正解：B
解答を投票する
解説: (GoShiken メンバーにのみ表示されます)
You have a report that contains a donut chart and a clustered column chart. Interactions between the visuals use the default settings.
You need to modify the report so that when you select a column m the column chart, the donut chart redraws by using the data from the selected column.
What should you do?
You need to modify the report so that when you select a column m the column chart, the donut chart redraws by using the data from the selected column.
What should you do?
正解：D
解答を投票する
The data model must support the following analysis:
* Total sales by product by month in which the order was placed
* Quantities sold by product by day on which the order was placed
* Number Of sales transactions by quarter in Which the order was placed For each Of the following statements, select Yes if the statement is true. Otherwise, select NO.
* Total sales by product by month in which the order was placed
* Quantities sold by product by day on which the order was placed
* Number Of sales transactions by quarter in Which the order was placed For each Of the following statements, select Yes if the statement is true. Otherwise, select NO.
正解：
Explanation:
You need to create a Power Bl report. The first page or the report must contain the following two views:
* Sales By Postal Code
* Sales by Month
Both views must display a slicer to select a value for a field named Chain.
The Sales By Postal Code view must display a map visual as shown in the following exhibit.
* Sales By Postal Code
* Sales by Month
Both views must display a slicer to select a value for a field named Chain.
The Sales By Postal Code view must display a map visual as shown in the following exhibit.
正解：
Explanation:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You are modeling data by using Microsoft Power BI. Part of the data model is a large Microsoft SQL Server table named Order that has more than 100 million records.
During the development process, you need to import a sample of the data from the Order table.
Solution: From Power Query Editor, you import the table and then add a filter step to the query.
Does this meet the goal?
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You are modeling data by using Microsoft Power BI. Part of the data model is a large Microsoft SQL Server table named Order that has more than 100 million records.
During the development process, you need to import a sample of the data from the Order table.
Solution: From Power Query Editor, you import the table and then add a filter step to the query.
Does this meet the goal?
正解：A
解答を投票する
You have a data source that contain a column. The column contains case sensitive data.
You have a Power BI semantic model in DirectQuery mode.
You connect to the model and discover that it contains undefined values and errors.
You need to resolve the issue.
Solution: You implicitly convert the values into the required types.
Does this meet the goal?
You have a Power BI semantic model in DirectQuery mode.
You connect to the model and discover that it contains undefined values and errors.
You need to resolve the issue.
Solution: You implicitly convert the values into the required types.
Does this meet the goal?
正解：A
解答を投票する
You have a Power B1 dataset named Finance that is hosted in a Power B1 workspace.
The finance team at your company is NOT currently a member of any Power B1 workspace roles.
You need to enable the finance team to use Microsoft Excel to analyze the Finance dataset.
What should you do?
The finance team at your company is NOT currently a member of any Power B1 workspace roles.
You need to enable the finance team to use Microsoft Excel to analyze the Finance dataset.
What should you do?
正解：C
解答を投票する
You have a Power B1 report. The report contains a line chart that displays sales data for several regions.
You need to add an element to the report that will enable users to filter the sales data to include only a selected region.
Which two elements achieve the goal? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
You need to add an element to the report that will enable users to filter the sales data to include only a selected region.
Which two elements achieve the goal? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
正解：A,B
解答を投票する
You are creating reports in Power BI Desktop. The model has the following tables.
There is a relationship between the tables.
You plan to publish a report to the Power BI service that displays Order_amount by Order_date by Full_name.
You need to ensure that only the columns required for the report appear in Report View. The solution must minimize the size of the dataset that is published.
How should you configure the columns in Power BI Desktop? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
There is a relationship between the tables.
You plan to publish a report to the Power BI service that displays Order_amount by Order_date by Full_name.
You need to ensure that only the columns required for the report appear in Report View. The solution must minimize the size of the dataset that is published.
How should you configure the columns in Power BI Desktop? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解：
Explanation:
You hove a folder that contains 50 JSON files.
You need to use Power 81 Desktop to make the metadata ol the files available as a single semantic model.
The solution must NOT store the data of the JSON files.
Which type of data source should you use. and which transformation should you perform? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
You need to use Power 81 Desktop to make the metadata ol the files available as a single semantic model.
The solution must NOT store the data of the JSON files.
Which type of data source should you use. and which transformation should you perform? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解：
Explanation:
