Microsoft 70-778 Analyzing and Visualizing Data with Microsoft Power BI Online Training
Microsoft 70-778 Online Training
The questions for 70-778 were last updated at Jan 21,2025.
- Exam Code: 70-778
- Exam Name: Analyzing and Visualizing Data with Microsoft Power BI
- Certification Provider: Microsoft
- Latest update: Jan 21,2025
DRAG DROP
You have the following two tables:
• Subscriber (SubscriberlD, Enroll mentDate, ServicePlan)
• Date (Date, Month, Week, Year)
There is a relationship between Subscriber [EnrollmentDate] and Date[Date].
You plan to create a KPI for the number of subscribers enrolled in the current year.
You need to create a goal that is five percent more than the number of subscribers enrolled during the previous calendar year.
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 a Power BI report that is configured to use row-level security (RLS).
You have the following roles:
– A manager role that limits managers to see only the sales data from the stores they manage.
– A region role that limits users to see only the data from their respective region
You plan to use Power BU Embedded to embed the report into an application. The application will authenticate the users.
You need to ensure that RLS is enforced when accessing the embedded report.
What should you do?
- A . In the access token for the application, include the user name and the role name.
- B . In the access token for the application, include the report URL and the Microsoft Azure Active Directory Domain name.
- C . From dev.powerbi.com/apps, register the new application and enable the Read All Reports API access.
- D . From dev.powerbi.com/apps, register the new application and enable the Read All Groups API access.
You have a Power BI report in an app workspace.
You plan to embed a report from the app workspace into a line-of-business application by using Power BI Embedded.
Which information should you provide to the application developers?
- A . The application token and the report URL
- B . The report URL and a user name
- C . The app workspace name and the access key
- D . The access key and the report ID
HOTSPOT
You have a Power BI model that has the following tables:
– Sales (Order_id, Order_Date, Product_id, Salesperson_id, Sales_Amount)
– Salesperson (Salesperson_id, Salesperson_name, address)
– Product (Product_id, Product_Name)
You need to create the following relationships:
– Sales to Product
– Sales to Sales person
You need to ensure that you can create a report that displays the count of products sold by each salesperson.
How should you configure the relationships? To answer, drag the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
You have a power BI model that contains the following tables:
– Assets( AssetsID, AssetName, Purchase_DateID, Value)
– Date( DateID, Date, Month, Week, Year)
The tables have relationship. Date is marked as a date table in the Power BI model.
You need to create a measure to calculate the percentage that the total assets value increased since one year ago.
Which DAX formula should you use?
- A . (sum(Assets[Value]) CCALCULATE(sum(Assets[Value]),SAMEPERIODLASTYEAR(‘Date’[Date])))/CALCULATE(sum(Assets[Value]),SAMEPERIODLASTYEAR (‘Date’ [Date]))
- B . CALCULATEx(sum(Assets[Value]) DATESYTD (‘Date’[Date]))/sum(Assets[Value])
- C . sum(Assets[Value])-CALCULATE(sum(Assets[Value]),SAMEPERIODLASTYEAR (‘Date’ [Date]))
- D . CALCULATE(sum(Assets[Value]),SAMEPERIODLASTYEAR (‘Date’ [Date]))/sum(Assets[Value])
DRAG DROP
From Power BI Desktop, you publish an app that contains one dashboard and one report. Q&A is enabled on the dashboard.
In Q&A, a user types the query count of clients and fails to receive any results. The user then types the query count of subscribers and received the expected results.
You need to ensure that the user can use both queries to receive the same results.
Which four actions should you perform in sequence? To answer, move the appropriate actions form the list of actions to the answer area and arrange them in the correct order.
You have a Power BI model for sales data.
You need to create a measure to calculate the year-to-date sales and to compare those sales to the previous year for the same time period.
Which DAX function should you use?
- A . PARALLELPERIOD
- B . SAMEPERIODLAST YEAR
- C . DATESYTD
- D . PREVIOUSYEAR
HOTSPOT
You have the following tables.
You need to create a measure to calculate a running total of TransactionQuantity.
How should you complete the DAX formula? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Your organization has a Microsoft Office 365 subscription.
When the users attempt to access the Power BI Service, they receive the error message shown in the exhibit. (Click the Exhibit button.)
You need to ensure that all the users can access the Power BI service.
What should you do first?
- A . From the Microsoft Azure Active Directory admin center, assign a Power BI (free) license to each user.
- B . From the Power BI Admin portal, modify the Tenant settings.
- C . From Microsoft Azure PowerShell, run the Set-MsolCompanySettings cmdlet.
- D . From the properties of each dashboard, modify the Share dashboard settings.
I believe there are several wrong answers in this