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Microsoft PL-300 Microsoft Power BI Data Analyst Exam Practice Test

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Total 422 questions

Microsoft Power BI Data Analyst Questions and Answers

Question 1

You are configuring a Microsoft Power Bl data model to enable users to ask natural language questions by using Q&A. You have a table named Customer that has the following measure.

Customer Count = DISTINCTCOUNT(Customer[CustomerID])

Users frequently refer to customers as subscribers.

You need to ensure that the users can get a useful result for "subscriber count" by using Q&A. The solution must minimize the size of the model.

What should you do?

Options:

A.

Add a description of "subscriber count" to the Customer Count measure.

B.

Set Summarize By to None for the CustomerlD column.

C.

Add a description of "Subscriber" to the Customer table.

D.

Add a synonym of "subscriber" to the Customer table.

Question 2

You have a Microsoft Power Bl report. The size of PBIX file is 550 MB. The report is accessed by using an App workspace in shared capacity of powerbi.com.

The report uses an imported dataset that contains one fact table. The fact table contains 12 million rows. The dataset is scheduled to refresh twice a day at 08:00 and 17:00.

The report is a single page that contains 15 custom visuals and 10 default visuals.

Users say that the report is slow to load the visuals when they access and interact with the report

You need to recommend a solution to improve the performance of the report.

What should you recommend?

Options:

A.

Split the visuals onto multiple pages.

B.

Implement row-level security (RLS).

C.

Replace the default visuals with custom visuals.

D.

Increase the number of times that the dataset is refreshed.

Question 3

You are creating a query to be used as a Country dimension in a star schema.

A snapshot of the source data is shown in the following table.

Question # 3

You need to create the dimension. The dimension must contain a list of unique countries.

Which two actions should you perform? Each correct answer presents part of the solution.

Options:

A.

Remove duplicates from the Country column.

B.

Remove duplicates from the City column.

C.

|Remove duplicates from the table.

D.

Delete the City column.

E.

Delete the Country column.

Question 4

You have a table that contains a column named Phone. The following is a sample of the data in the Phone column.

Question # 4

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.

Question # 4

Options:

Question 5

You have a Power BI dashboard that displays different visualizations of company sales.

You enable Q&A on the dashboard.

You need to provide users with sample questions that they can ask when using Q&A.

Which settings should you modify from the Power BI Settings?

Options:

A.

Subscriptions

B.

Dashboards

C.

Datasets

D.

Workbooks

Question 6

From Power Query Editor, you attempt to execute a query and receive the following error message.

Datasource.Error: could not find file.

What are two possible causes of the error? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

Options:

A.

The file is locked

B.

An incorrect privacy level was used for the data source.

C.

The referenced file was moved to a new location

D.

You do not have permissions to the file.

Question 7

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 historical employee counts and predicts trends during the next six months.

Which type of visualization should you use?

Options:

A.

key influences

B.

ribbon chart

C.

line chart

D.

scatter chart

Question 8

You have a Power 31 data model that contains a table named Stores. The table has the following columns:

* Store Name

* Open Date

* Status

* State

* City

You need to create a calculated column named Active Store Name that meets the following requirements:

Options:

Question 9

You are creating a Microsoft Power Bl model that has two tables named CityData and Sales. CityData contains only the data shown in the following table.

Question # 9

Sales contains only the data shown in the following table.

Question # 9

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 # 9

Options:

Question 10

You have data in a Microsoft Excel worksheet as shown in the following table.

Question # 10

You need to use Power Query to clean and transform the dataset. The solution must meet the following requirements:

• If the discount column returns an error, a discount of 0.05 must be used.

• All the rows of data must be maintained.

• Administrative effort must be minimized.

What should you do in Power Query Editor?

Options:

A.

Select Keep Errors

B.

Edit the query in the Query Errors group.

C.

Select Replace Errors

D.

Select Remove Errors.

Question 11

You create a report by using Microsoft Power BI Desktop.

The report uses data from a Microsoft SQL Server Analysis Services (SSAS) cube located on your company’s internal network.

You plan to publish the report to the Power BI Service.

What should you implement ta ensure that users who consume the report from the Power BI Service have the most up-to-date data from the cube?

Options:

A.

a subscription

B.

a scheduled refresh of the dataset

C.

an OData feed

D.

an On-premises data gateway

Question 12

You have the data lineage shown in the following exhibit.

Question # 12

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.

Question # 12

Options:

Question 13

You have a query that contains customer data in Power Query Editor as shown in the following exhibit.

Question # 13

Question # 13

Options:

Question 14

You have a Power Bl semantic model named Model! that contains two fields named Sales and Quarter. Model 1 contains a DAX measure that sums the Sales column.

You need to create a report that will contain the visual shown in the following exhibit.

Question # 14

The solution must NOT require additional DAX measures.

Which type of visual should you use?

Options:

A.

ribbon chart

B.

line chart

C.

100% stacked area chart

D.

area chart

Question 15

You plan to create the chart shown in the following exhibit.

Question # 15

How should you create the dashed horizontal line denoting the 40th percentile of daily sales for the period shown?

Options:

A.

Create a horizontal line that has a fixed value of 24,000.

B.

Add a measure to the visual that uses the following DAX expression.

Measure - PERCENTUEX.EXC (Sales,Sales[Total Sales],©.40)

C.

Add a new percentile line that uses Total Sales as the measure and 40% as the percentile.

D.

Add a measure to the visual that uses the following DAX expression.

Measure = PERCENTILEX.INC (Sales,Sales[Total Sales],6.40)

Question 16

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 the same in each question in this series.

You have a Microsoft SQL Server database that contains the following tables.

Question # 16

The following columns contain date 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 a 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.

You need to create a relationship between the Order table and the Store table on the Store_ID column.

What should you do before you create the relationship?

Options:

A.

In the Order table query, use the Table.TrasformRows function.

B.

In the Store table query, use the Table.TrasformRows function.

C.

In the Store table query, use the Table.TrasformColumnTypes function.

D.

In the Order table query, use the Table.TrasformColumnTypes function.

Question 17

A manager can represent only a single country.

You need to use row-level security (RLS) to meet the following requirements:

The managers must only see the data of their respective country.

The number of RLS roles must be minimized.

Which two actions should you perform? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

Options:

A.

Create a single role that filters Country[Manager_Email] by using the USERNAME DAX function.

B.

Create a single role that filters Country[Manager_Email] by using the USEROBJECTID DAX function.

C.

For the relationship between Purchase Detail and Purchase, select Apply security filter in both directions.

D.

Create one role for each country.

E.

For the relationship between Purchase and Purchase Detail, change the Cross filter direction to Single.

Question 18

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?

Options:

A.

Yes

B.

No

Question 19

You are creating a column chart visualization.

You configure groups as shown in the Groups exhibit. {Click the Groups tab.)

Question # 19

The visualization appears as shown in the Chart exhibit. (Click the Chart tab.)

Question # 19

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 # 19

Options:

Question 20

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.

From Power Query Editor, you profile the data shown in the following exhibit.

Question # 20

The IOT ID columns are unique to each row in query.

You need to analyze 10T events by the hour and day of the year. The solution must improve dataset performance.

Solution: You create a custom column that concatenates the 10T GUID column and the IoT ID column and then delete the IoT GUID and IoT ID columns.

Does this meet the goal?

Options:

A.

Yes

B.

No

Question 21

You need to create a Power Bl report. The first page or the report must contain the following two views:

* Sales By Postal Code

* Sales by Month

Both views must display a slicer to select a value for a field named Chain.

The Sales By Postal Code view must display a map visual as shown in the following exhibit.

Question # 21

Options:

Question 22

You are using existing reports to build a dashboard that will be viewed frequently in portrait mode on mobile phones.

You need to build the dashboard.

Which four 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.

Question # 22

Options:

Question 23

You have a power BI tenant that hosts the datasets shown in the following table.

Question # 23

You have the following requirements:

• The export of reports that contain Personally Identifiable Information (Pll) must be prevented.

• Data used for financial decisions must be reviewed and approved before use.

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 # 23

Options:

Question 24

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.)

Question # 24

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

Question # 24

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 edit the Product Category table query to match the desired Power BI model.

How should you complete the advanced 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 frag the split bar between panes or scroll to view content.

NOTE: Each correct selection is worth one point.

Question # 24

Options:

Question 25

You have a Power Bl report that contains a measure named Total Sales.

You need to create a new measure that will return the sum of Total Sates for a year up to a selected date. How should you complete the DAX expression? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 25

Options:

Question 26

You are modifying a Power Bi model by using Power Bl Desktop.

You have a table named Sales that contains the following fields.

Question # 26

You have a table named Transaction Size that contains the following data.

Question # 26

You need to create a calculated column to classify each transaction as small, medium, or large based on the value in Sales Amount.

How should you complete the code? 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.

Question # 26

Options:

Question 27

You have a Power BI model that contains a table named Sales. The Sales table contains the following columns:

• Order Line ID

• Product ID

• Unit Price

• Order ID

• Quantity

Orders are uniquely identified by using the order ID and can have multiple order lines Each order line within an order contains a different product ID.

You need to write a DAX measure that counts the number of orders.

Which formula should you use?

Options:

A.

CountRows('Sales')

B.

Count ('Sales'(Order ID])

C.

CountA (Sale** (Order ID])

D.

DistinctCount (sales'[Order ID])

Question 28

You have two tables named Customers and Invoice in a Power BI model. The Customers table contains the following fields:

    CustomerID

    Customer City

    Customer State

    Customer Name

    Customer Address 1

    Customer Address 2

    Customer Postal Code

The Invoice table contains the following fields:

    Order ID

    Invoice ID

    Invoice Date

    Customer ID

    Total Amount

    Total Item Count

The Customers table is related to the Invoice table through the Customer ID columns. A customer can have many invoices within one month.

The Power BI model must provide the following information:

    The number of customers invoiced in each state last month

    The average invoice amount per customer in each postal code

You need to define the relationship from the Customers table to the Invoice table. The solution must optimize query performance.

What should you configure? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 28

Options:

Question 29

You have a Microsoft Power Bl dashboard. The report used to create the dashboard uses an imported dataset from a Microsoft SQL Server data source. The dashboard is shown in the exhibit. (Click the Exhibit tab.)

Question # 29

What occurred at 12:03:06 PM?

Options:

A.

A user pressed F5

B.

A new transaction was added to the data source.

C.

A user added a comment to a tile.

D.

The dashboard tile cache refreshed.

Question 30

You have a query named All Sales that imports sales data into a Power BI model.

You plan to create a star schema by separating columns into separate queries and performing further transformations. The solution must meet the following requirements:

• Use All Sales as the source for three other queries named Sales Fact Product Dimension, and Customer Dimension.

• Minimize maintenance effort.

What should you do to create the Sales Fact query, and for which query should you clear Enable load? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 30

Options:

Question 31

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.

From Power Query Editor, you profile the data shown in the following exhibit.

Question # 31

The IoT GUID and IoT ID columns are unique to each row in query.

You need to analyze IoT events by the hour and day of the year. The solution must improve dataset performance.

Solution: You split the loT DateTime column into a column named Date and a column named Time.

Does this meet the goal?

Options:

A.

Yes

B.

No

Question 32

You have a folder that contains 100 CSV files.

You need to make the file metadata available as a single dataset by using Power Bi The solution must NOT store the data of the CSV files.

Which three actions should you perform in sequence. To answer, mow the appropriate actions from the list of actions to the answer area and arrange them m 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.

Question # 32

Options:

Question 33

You need to create the relationship between the product list and the revenue results. The solution must minimize the time it takes to render visuals.

What should you set as the relationship cardinality?

Options:

A.

One to one

B.

Many to one

C.

One to many

D.

Many to many

Question 34

You need to grant access to the business unit analysts.

What should you configure? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 34

Options:

Question 35

You need to ensure that the data is updated to meet the report requirements. The solution must minimize configuration effort.

What should you do?

Options:

A.

From each report in powerbi.com. select Refresh visuals

B.

From Power Bl Desktop, download the PBIX file and refresh the data.

C.

Configure a scheduled refresh without using an on-premises data gateway.

D.

Configure a scheduled refresh by using an on-premises data gateway

Question 36

Once the profit and loss dataset is created, which four actions should you perform in sequence to ensure that the business unit analysts see the appropriate profit and loss data? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

Question # 36

Options:

Question 37

Which DAX expression should you use to get the ending balances in the balance sheet reports?

Options:

A.

CALCULATE (

SUM( BalanceSheet [BalanceAmount] ),

DATESQTD( 'Date'[Date] )

)

B.

CALCULATE (

SUM( BalanceSheet [BalanceAmount] ),

LASTDATE( 'Date'[Date] )

)

C.

FIRSTNONBLANK ( 'Date' [Date]

SUM( BalanceSheet[BalanceAmount] )

)

D.

CALCULATE (

MAX( BalanceSheet[BalanceAmount] ),

LASTDATE( 'Date' [Date] )

)

Question 38

Which two types of visualizations can be used in the balance sheet reports to meet the reporting goals? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

Options:

A.

a line chart that shows balances by quarter filtered to account categories that are long-term liabilities.

B.

a clustered column chart that shows balances by date (x-axis) and account category (legend) without

filters.

C.

a clustered column chart that shows balances by quarter filtered to account categories that are long-term liabilities.

D.

a pie chart that shows balances by account category without filters.

E.

a ribbon chart that shows balances by quarter and accounts in the legend.

Question 39

What is the minimum number of datasets and storage modes required to support the reports?

Options:

A.

two imported datasets

B.

a single DirectQuery dataset

C.

two DirectQuery datasets

D.

a single imported dataset

Question 40

You need to recommend a strategy to consistently define the business unit, department, and product category data and make the data usable across reports.

What should you recommend?

Options:

A.

Create a shared dataset for each standardized entity.

B.

Create dataflows for the standardized data and make the dataflows available for use in all imported datasets.

C.

For every report, create and use a single shared dataset that contains the standardized data.

D.

For the three entities, create exports of the data from the Power Bl model to Excel and store the data in Microsoft OneDrive for others to use as a source.

Question 41

You need to calculate the last day of the month in the balance sheet data to ensure that you can relate the balance sheet data to the Date table. Which type of calculation and which formula should you use? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

Question # 41

Options:

Question 42

You need to create a DAX measure in the data model that only allows users to see projections at the appropriate levels of granularity.

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.

Question # 42

Options:

Question 43

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.

Question # 43

Options:

Question 44

You need to minimize me size of the dataset. The solution must meet the report requirements What should you do?

Options:

A.

Change lite OrderlD column in the Orders table to the text data type.

B.

Filter out discontinued products while importing the Product table.

C.

Remove the QuantityPerUnit column from the Products table

D.

Group the Categories table by the CategorylD column.

Question 45

You need to create the dataset. Which dataset mode should you use?

Options:

A.

DirectQuery

B.

Import

C.

Live connection

D.

Composite

Question 46

You need to minimize the size of the semantic model. The solution must meet the report requirements.

What should you do?

Options:

A.

Filter out discontinued products while importing the Products table.

B.

Group the Categories table by the CategorylD column.

C.

Change the OrderlD column in the Orders table to the Text data type.

D.

Remove the QuantityPerUnit column from the Products table.

Question 47

You need to create the semantic model.

Which storage mode should you use for the tables in the semantic model?

Options:

A.

live connection

B.

Dual

C.

Import

D.

DirectQuery

Question 48

You need to create the Top Customers report.

Which type of filter should you use, and at which level should you apply the filter? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 48

Options:

Question 49

You use Power Query to import two tables named Order Header and Order Details from an Azure SQL database. The Order Header table relates to the Order Details table by using a column named Order ID in each table.

You need to combine the tables into a single query that contains the unique columns of each table.

What should you select in Power Query Editor?

Options:

A.

Merge queries

B.

Append queries

C.

Combine files

Question 50

You need to design the data model to meet the report requirements.

What should you do in Power BI Desktop?

Options:

A.

From Power Query, use a DAX expression to add columns to the Orders table to calculate the calendar quarter of the OrderDate column, the calendar month of the OrderDate column, the calendar quarter of the ShippedDate column, and the calendar month of the ShippedDate column.

B.

From Power Query, add columns to the Orders table to calculate the calendar quarter and the calendar month of the OrderDate column.

C.

From Power Bl Desktop, use the Auto date/time option when creating the reports.

D.

From Power Query, add a date table. Create an active relationship to the OrderDate column in the Orders table and an inactive relationship to the ShippedDate column in the Orders table.

Question 51

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.

Question # 51

Options:

Question 52

You need to configure access for the sales department users. The solution must me meet the security requirements. What should you do?

Options:

A.

Add the sales department as a member of the reports workspace

B.

Add the Azure Active Directory group of the sales department as an Admin of the reports workspace.

C.

Distribute an app to the users in the Azure Active Directory group of the sales department.

D.

Share each report to the Azure Active Directory group of the sales department.

Question 53

You need to create a solution to meet the notification requirements of the warehouse shipping department.

What should you do? To answer, select the appropriate options in the answer area.

NOTE: Each correct select is worth one point:

Question # 53

Options:

Question 54

You need to create a measure that will return the percentage of late orders.

How should you complete the DAX expression? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 54

Options: