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Microsoft Power BI Data Analyst
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Question: 68
HOTSPOT
You have two Azure SQL databases that contain the same tables and columns.
For each database, you create a query that retrieves data from a table named Customers.
You need to combine the Customer tables into a single table. The solution must minimize the size of the data model and support scheduled refresh in powerbi.com.
What should you do? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
Explanation:
Graphical user interface, text
Description automatically generated with medium confidence Box 1: Append Queries as New.
There are two primary ways of combining queries: merging and appending.
When you have one or more columns that you’d like to add to another query, you merge the queries. When you have additional rows of data that you’d like to add to an existing query, you append the query.
Box 2: Disable loading the query to the data model
For every query that loads into model memory will be consumed. and Memory is our asset in the Model, less memory consumption leads to better performance in most of the cases. The best approach is to disable loading.
Reference: https://docs.microsoft.com/en-us/power-query/append-queries
Question: 69
HOTSPOT
You are creating a column chart visualization.
You configure groups as shown in the Groups exhibit. {Click the Groups tab.)
The visualization appears as shown in the Chart exhibit. (Click the Chart tab.)
For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point.
Question: 70
HOTSPOT
How should you distribute the reports to the board? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
Explanation:
Box 1: Using a workspace membership Scenario:
The company wants to provide a single package of reports to the board that contains custom navigation and links to supplementary information.
Note: Workspace is a shared environment for a group of people. You can have multiple Power BI content in a workspace. One workspace can have hundreds of dashboards, reports, and datasets in it.
Box 2: A mail-enabled security group Scenario: Security Requirements
The reports must be made available to the board from powerbi.com. A mail-enabled security group will be used to share information with the board.
Question: 71
You need to minimize me size of the dataset. The solution must meet the report requirements.
What should you do?
Change lite OrderlD column in the Orders table to the text data type.
Filter out discontinued products while importing the Product table.
Remove the QuantityPerUnit column from the Products table
Group the Categories table by the CategorylD column.
Question: 72
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?
Use the Test as role option to view data as the salesperson’s user account.
Use the Test as role option to view data as the Sales role.
Instruct the salesperson to open the report in Microsoft Power Bl Desktop.
Filter the data in the reports to match the intended logic in the filter on the sales transaction table.
Validate the roles within Power BI Desktop
After you’ve created your roles, test the results of the roles within Power BI Desktop. From the Modeling tab, select View as.
A picture containing application Description automatically generated
The View as roles window appears, where you see the roles you’ve created.
Graphical user interface, text, application Description automatically generated
Select a role you created, and then select OK to apply that role. The report renders the data relevant for that role. You can also select Other user and supply a given user. Graphical user interface, application
Description automatically generated
Select OK. The report renders based on what that user can see.
Reference: https://docs.microsoft.com/en-us/power-bi/admin/service-admin-rls
Question: 73
Which DAX expression should you use to get the ending balances in the balance sheet reports?
CALCULATE (
SUM( BalanceSheet [BalanceAmount] ), DATESQTD( ‘Date'[Date] )
)
CALCULATE (
SUM( BalanceSheet [BalanceAmount] ), LASTDATE( ‘Date'[Date] )
)
FIRSTNONBLANK ( ‘Date’ [Date]
SUM( BalanceSheet[BalanceAmount] )
)
CALCULATE (
MAX( BalanceSheet[BalanceAmount] ), LASTDATE( ‘Date’ [Date] )
)
Scenario: At least one of the balance sheet reports in the quarterly reporting package must show the ending balances for the quarter, as well as for the previous quarter. DATESQTD returns a table that contains a column of the dates for the quarter to date, in the current context.
Reference: https://docs.microsoft.com/en-us/dax/datesqtd-function-dax
Question: 74
You build a report to help the sales team understand its performance and the drivers of sales. The team needs to have a single visualization to identify which factors affect success .
Which type of visualization should you use?
Key influences
Funnel chart
Q&A
Line and clustered column chart
The key influencers visual helps you understand the factors that drive a metric you’re interested in. It analyzes your data, ranks the factors that matter, and displays them as key influencers.
The key influencers visual is a great choice if you want to:
Reference: https://docs.microsoft.com/en-us/power-bi/visuals/power-bi-visualization-influencers
Question: 75
HOTSPOT
You are creating a quick measure as shown in the following exhibit.
You need to create a monthly rolling average measure for Sales over time.
How should you configure the quick measure calculation? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
Explanation:
Box 1: Total Sales
We select the field Total Sales Box 2: Date
Select a date field. Box 3: Month Monthly periods.
Reference: https://docs.microsoft.com/en-us/power-bi/transform-model/desktop-quick-measures
Question: 76
You have a data model that contains many complex DAX expressions. The expressions contain frequent references to the RELATED and RELATEDTABLE functions.
You need to recommend a solution to minimize the use of the RELATED and RELATEDTABLE functions. What should you recommend?
Merge tables by using Power Query.
Hide unused columns in the model.
Split the model into multiple models.
Transpose.
Combining data means connecting to two or more data sources, shaping them as needed, then consolidating them into a useful query.
When you have one or more columns that you’d like to add to another query, you merge the queries.
Note: The RELATEDTABLE function is a shortcut for CALCULATETABLE function with no logical expression. CALCULATETABLE evaluates a table expression in a modified filter context and returns A table of values. Reference: https://docs.microsoft.com/en-us/power-bi/connect-data/desktop-shape-and-combine-data
Question: 77
You have a collection of reports for the HR department of your company.
You need to create a visualization for the HR department that shows a historic employee counts and predicts trends during the next six months.
Which type of visualization should you use?
scatter chart
ribbon chart
line chart
key influences
The best data for forecasting is time series data or uniformly increasing whole numbers. The line chart has to have only one line.
Try forecasting: Try the new forecasting capabilities of Power View today on your own data or with the sample report available as part of the Power BI report samples. To view your own data, upload a workbook with a Power View time series line chart to Power BI for Office 365.
Reference: https://powerbi.microsoft.com/en-us/blog/introducing-new-forecasting-capabilities-in-power-view-for- office-365
Question: 78
HOTSPOT
You need to design the data model and the relationships for the Customer Details worksheet and the Orders table by using Power BI. The solution must meet the report requirements.
For each of the following statement, select Yes if the statement is true, Otherwise, select No. NOTE: Each correct selection is worth one point.