Microsoft 70-778 Exam Questions 2021

NEW QUESTION 1
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.

Answer:

Explanation: CALCULATE
COUNT PREVIOUSYEAR
References:
https://msdn.microsoft.com/en-us/library/hh272049(v=sql.110).aspx https://msdn.microsoft.com/en-us/library/ee634770.aspx

NEW QUESTION 2
Note: This question is a part of a series of questions that present 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.)

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

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 need to add a new column to the Product Subcategory table that uses the following formula.
=if [Subcategory] =null then “NA” else [Subcategory] Which command should you use in Query Editor?

• A. Column From Examples
• B. Custom Column
• C. Invoke Custom Function
• D. Conditional Column

Answer: D

Explanation: References:
http://community.powerbi.com/t5/Desktop/if-then-else/td-p/117999

NEW QUESTION 3
You have a Power BI model that contains the following two tables:
Sales(Sales_ID, sales_date, sales_amount, CustomerID)
Customer(CustomerID, First_name, Last_name)
There is a relationship between Sales and Customer.
You need to create a measure to rank the customers based on their total sales amount. Which DAX formula should you use?

• A. RANKX(ALL(Sales), SUMX(RELATEDTABLE(Customer), [Sales_amount]))
• B. TOPN(ALL(customer), SUMX(RELATEDTABLE(Sales), [Sales_amount]))
• C. RANKX(ALL(customer), SUMX(RELATEDTABLE(Sales), [Sales_amount]))
• D. RANK.EQ(Sales[sales_amount], Customer[CustomerID])

Answer: A

Explanation: References: https://msdn.microsoft.com/query-bi/dax/rankx-function-dax

NEW QUESTION 4
Note: This question is a part of a series of questions that present 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 contains the following tables.

The following columns contain data information:
Date[Month] in the mmyyyy format
Date[Date_ID] in the ddmmyyyy format
Date[Date_name] in the mm/dd/yyyy format
Monthly_returns[Month_ID] in the mmyyyy format
The Order table contains more than one million rows.
The Store table has relationship to the Monthly_returns table on the Store_ID column. This is the only relationship between the tables.
You plan to use Power BI desktop to create an analytics solution for the data. End of repeated scenario.
You are modifying the model to report on the number of order. You need to calculate the number of orders.
What should you do?

• A. Create a calculated measure that uses the COUNTA(Order_ID) DAX formula.
• B. Create a calculated measure that uses the SUM (Order_ID) DAX formula.
• C. Create a calculated column that uses the SUM (Order_ID) DAX formula.
• D. Create a calculated column that uses the COUNTA (Order_ID) DAX formula.

Answer: B

Explanation: References: https://docs.microsoft.com/en-us/power-bi/desktop-tutorial-create-measures

NEW QUESTION 5
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

Answer: B

Explanation: References:
https://docs.microsoft.com/en-us/power-bi/service-custom-visuals-getting-started-with-developer-tools

NEW QUESTION 6
You have a Microsoft Excel workbook that contains two tables.
From Power BI, you create a dashboard that displays data from the tables. You update the tables each day.
You need to ensure that the visualizations in the dashboard are updated daily.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
NOTE. More than one order of answer choices is correct. You will receive credit for any of the correct orders you select.

Answer:

Explanation: References: https://docs.microsoft.com/en-us/power-bi/refresh-scheduled-refresh

NEW QUESTION 7
You have the following tables.

You need to create a new table that displays the top 10 customers by the total of SalesAmount.
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.

Answer:

Explanation: References: https://msdn.microsoft.com/en-us/library/gg492198.aspx

NEW QUESTION 8
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.

Answer:

Explanation: References: https://docs.microsoft.com/en-us/power-bi/desktop-create-and-manage-relationships

NEW QUESTION 9
You need to create a measure named YTDPreviousSales that will be used in a table visualization. YTDPreviousSales must show the year-to-date (YTD) sales of the previous year for the same month. A sample of the desired data is shown in the following table.

How should you complete the measure? 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.

Answer:

Explanation: References:
https://powerpivotpro.com/2021/01/year-to-date-in-previousprior-year/

NEW QUESTION 10
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 user named User1. User1 is a member of a security group named Contoso PowerBI. 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 PowerBI setting, you modify the Developer Settings.
Does this meet the goal?

• A. Yes
• B. No

Answer: B

NEW QUESTION 11
You have two tables named Customer and Orders. A sample of the Data in Customer is shown in the following table.

A sample of the data in Orders is shown in the following table.

You need to create the following new table.

You must use Customer as the first table. Which join kind should you use?

• A. Right Anti
• B. Right Outer
• C. Left Anti
• D. Left Outer
• E. Inner

Answer: D

NEW QUESTION 12
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 Power BI model that contains two tables named Sales and Date. Sales contains four columns named TotalCost, DueDate, ShipDate, and OrderDate. Date contains one column named Date.
The tables have the following relationships: The active relationship is on Sales[DueDate].
You need to create measures to count the number of orders by [ShipDate] and the orders by [OrderDate]. You must meet the goal without duplicating data or loading additional data.
Solution: You create a calculated table. You create a measure that uses the new table. Does this meet the goal?

• A. Yes
• B. No

Answer: B

NEW QUESTION 13
You open powerbi.com as 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.

Answer:

Explanation: References: https://docs.microsoft.com/en-us/power-bi/service-data-classification

NEW QUESTION 14
Note: This question is a part of a series of questions that present 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 contains the following tables.

The following columns contain data information:
Date[Month] in the mmyyyy format
Date[Date_ID] in the ddmmyyyy format
Date[Date_name] in the mm/dd/yyyy format
Monthly_returns[Month_ID] in the mmyyyy format
The Order table contains more than one million rows.
The Store table has relationship to the Monthly_returns table on the Store_ID column. This is the only relationship between the tables.
You plan to use Power BI desktop to create an analytics solution for the data. End of repeated scenario.
You need to display the month as a three-letter abbreviation, followed by the year, such as jan2021. You add a calculated column in Power BI.
Which DAX formula should you use for the calculated column? 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 bat between panes or scroll to view continent.
NOTE: Each correct selection is worth one point.

Answer:

Explanation: CONCATENATE MMM
References: https://msdn.microsoft.com/en-us/library/ee634811.aspx

NEW QUESTION 15
Note: This question is a part of a series of questions that present 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 contains the following tables.

The following columns contain data information:
Date[Month] in the mmyyyy format
Date[Date_ID] in the ddmmyyyy format
Date[Date_name] in the mm/dd/yyyy format
Monthly_returns[Month_ID] in the mmyyyy format
The Order table contains more than one million rows.
The Store table has relationship to the Monthly_returns table on the Store_ID column. This is the only relationship between the tables.
You plan to use Power BI desktop to create an analytics solution for the data.
End of repeated scenario.
You need to configure a KPI indicator to show the monthly sales of a store versus the target sales of the store. How should you configure the KPI indicator? To answer, drag the appropriate column to the correct fields.
Each column 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.

Answer:

Explanation: Indicator : Order[Order_amount] Trend axis = Date[Month]
Target goals = Store[Sales-target]
References:
https://powerbi.microsoft.com/en-us/guided-learning/powerbi-service-tutorial-kpi/#how-to-create-a-kpi

NEW QUESTION 16
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.

Answer:

Explanation: References:
https://support.office.com/en-us/article/when-to-use-calculated-columns-and-calculated-fields-ca18d63a-5b6d-4

NEW QUESTION 17
You have a sales report in an app workspace. The report displays a map of sales by location and a bar chart of sales by year. The report has a slicer to filter the data by year.
You need to create a dashboard that contains visualizations. The solution must ensure that you can use the slicer to filter the data by year.
What should you do?

• A. Pin each visualization to the dashboard, and then add a web content tile.
• B. Add a page level filter, and then pin each visualization to the dashboard.
• C. Publish the app workspace.
• D. Pin the report as a live page.

Answer: D

Explanation: References: https://docs.microsoft.com/en-us/power-bi/service-dashboard-pin-live-tile-from-report

NEW QUESTION 18
You create a report in the Power BI service that displays the following visualizations:
A KPI that displays the count of customers
A table that displays the count of customers by country
A line chart that displays the count of customers by year
You need to receive an alert when the total number of customers reaches 10,000. What should you do first?

• A. Pin the line chart to a dashboard.
• B. Pin the KPI to a dashboard.
• C. Embed the report into a Microsoft SharePoint page.
• D. Pin the report to a dashboard.

Answer: D

NEW QUESTION 19
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, open Advanced Editor and add the following query step.
#"Replaced Errors" - Table.ReplaceErrorValues(s"Changed Type", {{"CustomerlD", 0}}) Does this meet the goal?

• A. Yes
• B. No

Answer: B

NEW QUESTION 20
Note: This question is a part of a series of questions that present 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 contains the following tables.

The following columns contain data information:
Date[Month] in the mmyyyy format
Date[Date_ID] in the ddmmyyyy format
Date[Date_name] in the mm/dd/yyyy format
Monthly_returns[Month_ID] in the mmyyyy format
The Order table contains more than one million rows.
The Store table has relationship to the Monthly_returns table on the Store_ID column. This is the only relationship between the tables.
You plan to use Power BI desktop to create an analytics solution for the data. End of repeated scenario.
You plan to create a chart that displays total Order [Order_amount] by Store [Name]. You need to modify the model to ensure that you can create the chart.
Which two actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

• A. To the Order table, add a column that uses the RELATED(‘Store’ [Store_ID]) DAX formula.
• B. Create a relationship between the Order table and the Store table.
• C. To the Order table, add a measure that uses the COUNT (‘Order’[Order_amount]) DAX formula.
• D. To the order table, add a measure that uses the SUM (‘Order’ [Order_amount]) DAX formula.

Answer: AD

Explanation: References:
https://docs.microsoft.com/en-us/power-bi/desktop-tutorial-create-measures https://docs.microsoft.com/en-us/power-bi/desktop-tutorial-create-calculated-columns