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latest updated Microsoft 70-778 exam questions and answers
QUESTION 1
You need to create a custom visualization for Power BI. What should you install first?
A. jQuery
B. Node.js
C. Microsoft Azure PowerShell
D. Microsoft.NET
Correct Answer: B
References:
https://docs.microsoft.com/en-us/power-bi/service-custom-visuals-getting-started-with-developer-tools
QUESTION 2
You plan to create a dashboard in the Power BI service that will retrieve data from a tabular database in Microsoft SQL
Server Analysis Services (SSAS). The dashboard will be shared between the users in your organization.
The Analysis Services database has a DirectQuery connection to the SQL Server database that contains the source
data.
You need to ensure that the users will see the current data when they view the dashboard.
How should you configure the connection to the data source?
A. Deploy an on-premises data gateway (personal mode). Connect to the data by using the Connect live option.
B. Deploy an on-premises data gateway (personal mode). Connect to the data by using the DirectQuery Data
Connectivity mode.
C. Deploy an on-premises data gateway. Connect to the data by using the DirectQuery Data Connectivity mode.
D. Deploy an on-premises data gateway. Connect to the data by using the Connect live option.
Correct Answer: D
QUESTION 3
You plan to embed multiple visualizations on a public website.
Your Power BI infrastructure contains the visualizations configured as shown in the following table.
Which two visualizations can you embed into the website? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
A. Visual1
B. Visual2
C. Visual3
D. Visual4
E. Visual5
Correct Answer: BD
References: https://docs.microsoft.com/en-us/power-bi/service-publish-to-web
QUESTION 4
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 on 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 the Power BI service, get the data from SharePoint Online, and then click Import.
Does this meet the goal?
A. Yes
B. No
Correct Answer: A
References: https://docs.microsoft.com/en-us/power-bi/service-excel-workbook-files
QUESTION 5
You have the datasets shown in the following graphic.
Use the drop-down menus to select the answer choice that completes each statement based on the information
presented in the graphic. Note: Each selection is worth one point.
Hot Area:
https://docs.microsoft.com/en-us/power-bi/service-real-time-streaming http://radacad.com/integrate-power-bi-into-yourapplication-part-6-real-time-streaming-andpush-data
QUESTION 6
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 on the review screen.
You have a user named User!. User1 is a member of a security group named Contoso PowerB1.
User1 has access to a workspace named Contoso Workspace.
You need to prevent User1 from exporting data from the visualizations in Contoso Workspace.
Solution: From the Power B1 Admin portal, you modify the Tenant settings.
A. Yes
B. No
Correct Answer: B
QUESTION 7
You have a Microsoft SharePoint Online site named Sales.
Your company has 1,000 sales users. All sales users can access Sales.
You create a report in an app workspace in the Power BI service. You embed the report into a page on the Sales site by
using the Power BI web part.
You need to ensure that all the sales can view the report from the Sales site.
What should you do?
A. Configure the app workspace for Premium capacity.
B. Enable anonymous access for the Sales site.
C. Configure the Portal Site Connection for the Sales site.
D. Disable the Embed content in the apps setting from the Tenant settings in Power BI.
Correct Answer: A
References: https://docs.microsoft.com/en-us/power-bi/service-embed-report-spo
QUESTION 8
You have the visualization shown in the following exhibit.
What should you do?
A. Create a calculated column that adds the % symbol to the values.
B. From the Modeling tab, change the Data Type to Percentage.
C. Edit the query of the data source and change the Data Type to Percentage.
D. Create a measure that adds the % symbol to the values,
Correct Answer: D
QUESTION 9
You are importing sales data from a Microsoft Excel file named Sales.xlsx into Power BI Desktop.
You need to create a bar chart showing the total sales amount by region.
When you create the bar chart, the regions appear as expected, but the sales amount value displays the count of sales
amount instead of the sum of the sales amount in each region.
You need to modify the query to ensure that the data appears correctly.
What should you do?
A. Delete the query, import the data into Microsoft SQL Server, and then import the data from SQL Server.
B. In Query Editor, add a calculated column that totals the sales amount column.
C. Change the Data Type of sales amount column to Numeric.
D. Refresh the data model.
Correct Answer: B
QUESTION 10
You have a table that contains a column named Phone. The following is a sample of the data in the Phone column.
You need to add a new column that contains the data in the format of nnn-nnn-nnnn.
How should you complete the Query Editor formula? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
References: https://docs.microsoft.com/en-us/powerquery-m/text-replace https://docs.microsoft.com/en-us/powerquerym/text-end
QUESTION 11
You have a Power BI model that has the following tables:
1.
Product (Product_id, Product_Name)
2.
Sales (Order_id, Order_Date, Product_id, Salesperson_id, Sales_Amount)
3.Salesperson (Salesperson_id, Salesperson_name, address)
You plan to create the following measure.
Measure1 = DISTINCTCOUNT(Sales[ProductID])
You need to create the following relationships:
1.
Sales to Product
2.
Sales to Salesperson
The solution must ensure that you can use Measure1 to display the count of products sold by each salesperson.
How should you configure the relationships? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
QUESTION 12
From Power BI Desktop, you create a query that imports the following table.
What should you do?
A. From the Extract menu, click Last Characters.
B. From the Extract menu, click Text After Delimiter.
C. From the Format menu, click Trim.
D. From the Split Column menu, click BY Delimiter.
Correct Answer: B
References: https://msdn.microsoft.com/en-us/library/mt798301.aspx
QUESTION 13
You have a column named phone_number. The values in the columns are in one of the following formats:
999-999-9999×123
1-999-999-9999×232
+1-999-999-9999x66x666
The values after x in the phone-number column indicate the phone extension.
You need to create a custom column in Query Editor that contains only the phone extensions.
How should you complete the query? 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.
Select and Place:
Correct Answer:
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