Microsoft 070-778 Actual Free Exam Questions & Community Discussion
You have a table in Power BI Desktop as shown in the following exhibit.

You pivot the columns as shown in the following exhibit.

You need to resolve the error in row 3. The solution must preserve all the data.
What should you do?

You pivot the columns as shown in the following exhibit.

You need to resolve the error in row 3. The solution must preserve all the data.
What should you do?
Correct Answer: B
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You have a query that retrieves data from a Microsoft Azure SQL database.
You discover that column named ErrorCode has several values starting with a space character, and a column named SubStatus contains several non-printable characters.
You need to remove all the leading whitespaces from ErrorCode and all the non-printable characters from SubStatus. All other data must be retained.
What should you do on each column? To answer, drag the appropriate tasks to the correct columns. Each task 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.

You discover that column named ErrorCode has several values starting with a space character, and a column named SubStatus contains several non-printable characters.
You need to remove all the leading whitespaces from ErrorCode and all the non-printable characters from SubStatus. All other data must be retained.
What should you do on each column? To answer, drag the appropriate tasks to the correct columns. Each task 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.

Correct Answer:

Explanation

References:
https://msdn.microsoft.com/en-us/library/mt260494.aspx
https://msdn.microsoft.com/en-us/library/mt253328.aspx
You plan to create a report in Power BI Desktop.
You have the following tables.

You have a measure that uses the following DAX formula.
Total Sales = SUM('Sales'[SalesAmount])
You plan to create a report to display TotalSales by ProductCategory and ProductSubCategory.
You need to create a measure to calculate the percentage of TotalSales for each ProductCategory.
How should you complete the DAX formula? To answer, drag the appropriate values to the correct targets.
Each value 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.

You have the following tables.

You have a measure that uses the following DAX formula.
Total Sales = SUM('Sales'[SalesAmount])
You plan to create a report to display TotalSales by ProductCategory and ProductSubCategory.
You need to create a measure to calculate the percentage of TotalSales for each ProductCategory.
How should you complete the DAX formula? To answer, drag the appropriate values to the correct targets.
Each value 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.

Correct Answer:

Explanation

References:
https://support.office.com/en-us/article/when-to-use-calculated-columns-and-calculated-fields-ca18d63a-5b6d-40
You plan to use Power BI Desktop optimized for Power BI Report Server to create a report. The report will be published to Power BI Report Server.
You need to ensure that all the visualization in the report can be consumed by users.
Which three types of visualizations should you include in the report? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
You need to ensure that all the visualization in the report can be consumed by users.
Which three types of visualizations should you include in the report? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Correct Answer: A,D,E
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Note: This question is a 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 have a Power BI model that contains two tables named Sales and Date. Sales contains four columns named TotalCost, DueDate, ShipDate, and OrderDate. Date contains two columns named Date and Time.
The tables have the following relationships:
* Sales [DueDate] and Date [Date]
* Sales [ShipDate] and Date [Date]
* Sales [OrderDate] and Date [Date]
The active relationship is on Sales [DueDate].
You need to create measures to count the number of orders by [ShipDate] and orders by [OrderDate]. You must meet the goal without loading any additional data.
Solution: You create measures that use the CALCULATE, COUNT, and FILTER DAX functions.
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 have a Power BI model that contains two tables named Sales and Date. Sales contains four columns named TotalCost, DueDate, ShipDate, and OrderDate. Date contains two columns named Date and Time.
The tables have the following relationships:
* Sales [DueDate] and Date [Date]
* Sales [ShipDate] and Date [Date]
* Sales [OrderDate] and Date [Date]
The active relationship is on Sales [DueDate].
You need to create measures to count the number of orders by [ShipDate] and orders by [OrderDate]. You must meet the goal without loading any additional data.
Solution: You create measures that use the CALCULATE, COUNT, and FILTER DAX functions.
Does this meet the goal?
Correct Answer: A
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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 have a Microsoft Excel workbook that is saved to Microsoft SharePoint Online. The workbook contains several Power View sheets.
You need to recreate the Power View sheets as reports in the Power BI service.
Solution: From Excel, click Publish to Power BI, and then click Export.
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 have a Microsoft Excel workbook that is saved to Microsoft SharePoint Online. The workbook contains several Power View sheets.
You need to recreate the Power View sheets as reports in the Power BI service.
Solution: From Excel, click Publish to Power BI, and then click Export.
Does this meet the goal?
Correct Answer: B
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You are creating a report in Power BI Desktop.
You are consuming the following tables.

You have a new table named Fiscal that has the same schema as the Date table, but contains the fiscal dates of your company.
You need to create a report that displays the total sales by fiscal month and calendar month.
What should you do?
You are consuming the following tables.

You have a new table named Fiscal that has the same schema as the Date table, but contains the fiscal dates of your company.
You need to create a report that displays the total sales by fiscal month and calendar month.
What should you do?
Correct Answer: A
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You have an app workspace that contains two datasets named dataset1 and dataset2. Dataset1 connects to a Microsoft Azure SQL database. Dataset2 connects to a Microsoft Excel file stored in Microsoft OneDrive for Business.
You create a report named Report1 that uses dataset1.
You pin Report1 to a dashboard named Dashboard1.
You publish the app workspace to all the users in your organization.
You need to delete dataset2 from the app workspace.
What should you do first?
You create a report named Report1 that uses dataset1.
You pin Report1 to a dashboard named Dashboard1.
You publish the app workspace to all the users in your organization.
You need to delete dataset2 from the app workspace.
What should you do first?
Correct Answer: D
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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 have a query for a table named Sales. Sales has a column named CustomerlD. The Data Type of CustomerlD is Whole Number.
You refresh the data and find several errors. You discover that new entries in the Sales table contain nonnumeric values.
You need to ensure that nonnumeric values in the CustomerlD column are set to 0.
Solution: From Query Editor, select the CustomerlD column and click Remove Errors.
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 have a query for a table named Sales. Sales has a column named CustomerlD. The Data Type of CustomerlD is Whole Number.
You refresh the data and find several errors. You discover that new entries in the Sales table contain nonnumeric values.
You need to ensure that nonnumeric values in the CustomerlD column are set to 0.
Solution: From Query Editor, select the CustomerlD column and click Remove Errors.
Does this meet the goal?
Correct Answer: B
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Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is repeated in each question. Each question presents a different goal and answer choices, but the text of the scenario is exactly the same in each question in this series.
Start of repeated scenario.
You have a Microsoft SQL Server database that has the tables shown in the Database Diagram exhibit. (Click the Exhibit button.)

You plan to develop a Power BI model as shown in the Power BI Model exhibit. (Click the Exhibit button.)

You plan to use Power BI to import data from 2013 to 2015.
Product Subcategory[Subcategory] contains NULL values.
End of Repeated Scenario.
You implement the Power BI model.
You plan to add a table named Date to the model. The table will have columns for the date, year, month, and end of the last month, and will include data from January 1, 2013 to December 31, 2015.
The Date table and the Sales table will have a relationship.
Which DAX functions should you use to create the columns?
Start of repeated scenario.
You have a Microsoft SQL Server database that has the tables shown in the Database Diagram exhibit. (Click the Exhibit button.)

You plan to develop a Power BI model as shown in the Power BI Model exhibit. (Click the Exhibit button.)

You plan to use Power BI to import data from 2013 to 2015.
Product Subcategory[Subcategory] contains NULL values.
End of Repeated Scenario.
You implement the Power BI model.
You plan to add a table named Date to the model. The table will have columns for the date, year, month, and end of the last month, and will include data from January 1, 2013 to December 31, 2015.
The Date table and the Sales table will have a relationship.
Which DAX functions should you use to create the columns?
Correct Answer: B
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You have a Power BI report that displays a bar chart and a donut chart on the same page. The bar chart shows the total sales by year and the donut chart shows the total sale by category.
You need to ensure that when you select a year on the bar chart, the donut remains unchanged.
What should you do?
You need to ensure that when you select a year on the bar chart, the donut remains unchanged.
What should you do?
Correct Answer: B
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Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
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.
Your company has 1,000 users in a Microsoft Office 365 subscription.
A Power BI administrator named Admin1 creates 20 dashboards and shares them with 50 users.
You discover that a user named User1 can access all the dashboards.
You need to prevent User1 from accessing all the dashboards.
Solution: From the Office 365 Admin center, you remove the Power BI license from User1.
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.
Your company has 1,000 users in a Microsoft Office 365 subscription.
A Power BI administrator named Admin1 creates 20 dashboards and shares them with 50 users.
You discover that a user named User1 can access all the dashboards.
You need to prevent User1 from accessing all the dashboards.
Solution: From the Office 365 Admin center, you remove the Power BI license from User1.
Does this meet the goal?
Correct Answer: B
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You have a Power BI model for sales data. You create a measure to calculate the year-to-date sales.
You need to compare the year-to-date sales with the previous year for the same time period.
Which DAX function should you use?
You need to compare the year-to-date sales with the previous year for the same time period.
Which DAX function should you use?
Correct Answer: C
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You have a customer table in Power BI Desktop. The customer table contains the columns as shown in the following table.

You need to create a custom column that hides the first three digits of the SSN. The values in the new column must have the xxx-99-9999 format.
How should you complete the Query Editor formula? To answer, drag the appropriate values to the correct targets. Each value 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.


You need to create a custom column that hides the first three digits of the SSN. The values in the new column must have the xxx-99-9999 format.
How should you complete the Query Editor formula? To answer, drag the appropriate values to the correct targets. Each value 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.

Correct Answer:

Explanation

Box 1: Text.Replace
Box 2: Text.Start
References:
https://msdn.microsoft.com/query-bi/m/text-replace
https://msdn.microsoft.com/en-us/query-bi/m/text-start
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