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Microsoft PL-300 Practice Test - Questions Answers, Page 17

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HOTSPOT

Your company has affiliates who help the company acquire customers.

You build a report for the affiliate managers at the company to assist them in understanding affiliate performance. The managers request a visual showing the total sales value of the latest 50 transactions for each affiliate. You have a data model that contains the following tables.

You need to develop a measure to support the visual.

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 161
Correct answer: Question 161

Explanation:

Box 1: CALCULATE

Start with CALCULATE and use a SUMX.

CALCULATE evaluates an expression in a modified filter context.

Box 2: SUM

Box 3: TOPN

TOPN returns the top N rows of the specified table.

Box 4: [TransactionDate]

TOPN Syntax: TOPN(<n_value>, <table>, <orderBy_expression>, [<order>[, <orderBy_expression>, [<order>]]…]) The orderBy_expression: Any DAX expression where the result value is used to sort the table and it is evaluated for each row of table.

Reference:

https://docs.microsoft.com/en-us/dax/topn-function-dax

HOTSPOT

You are creating a Microsoft Power BI data model that has the tables shown in the following table.

The Products table is related to the ProductCategory table through the ProductCategoryID column.

You need to ensure that you can analyze sales by product category.

How should you configure the relationships from Products to ProductCategory? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.


Question 162
Correct answer: Question 162

Explanation:

Box 1: One-to-many

Box 2: Both

For One-to-many relationships, the cross filter direction is always from the "one" side, and optionally from the "many" side (bi-directional). Note:

Reference:

https://docs.microsoft.com/en-us/power-bi/transform-model/desktop-relationships-understand

DRAG DROP

You have a Microsoft Power BI data model that contains three tables named Sales, Product, and Date. The Sales table has an existing measure named [Total Sales] that sums the total sales from the Sales table. You need to write a calculation that returns the percentage of total sales that a selected ProductCategoryName value represents. The calculation must respect any slicers on ProductCategoryName and must show the percentage of visible total sales. For example, if there are four ProductCategoryName values, and a user filters one out, a table showing ProductCategoryName and the calculation must sum up to 100 percent. How should you complete the calculation? 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 163
Correct answer: Question 163

Explanation:

Divide, Calculate, AllSelected.

Reference:

https://docs.microsoft.com/en-us/dax/allselected-function-dax

DRAG DROP

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 164
Correct answer: Question 164

Explanation:

1. Pin items from report to Dashboard.

2. Open Dashboard.

3. Change the dashboard view to Phone view.

4. Rearrange, resize the visuals.

HOTSPOT

You have a dataset named Pens that contains the following columns:

Unit Price

Quantity Ordered

You need to create a visualization that shows the relationship between Unit Price and Quantity Ordered. The solution must highlight orders that have a similar unit price and ordered quantity. Which type of visualization and which feature should you use? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.


Question 165
Correct answer: Question 165

Explanation:

Box 1: A scatter plot...

A scatter chart always has two value axes to show: one set of numerical data along a horizontal axis and another set of numerical values along a vertical axis. The chart displays points at the intersection of an x and y numerical value, combining these values into single data points. Power BI may distribute these data points evenly or unevenly across the horizontal axis. It depends on the data the chart represents. Box 2: Automatically find clusters

Scatter charts are a great choice to show patterns in large sets of data, for example by showing linear or non-linear trends, clusters, and outliers.

Reference:

https://docs.microsoft.com/en-us/power-bi/visuals/power-bi-visualization-scatter

HOTSPOT

You have a table that contains the following three columns:

City

Total Sales

Occupation

You need to create a key influencers visualization as shown in the exhibit. (Click the Exhibit tab.)

How should you configure the visualization? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

Question 166
Correct answer: Question 166

Explanation:

Box 1: Total Sales

Box 2: Occupation

Box 3: City

You can use Expand By to add fields you want to use for setting the level of the analysis without looking for new influencers.

Reference:

https://docs.microsoft.com/en-us/power-bi/visuals/power-bi-visualization-influencers

DRAG DROP

You have a query named Customer that imports CSV files from a data lake. The query contains 500 rows as shown in the exhibit. (Click the Exhibit tab.)

Each file contains deltas of any new or modified rows from each load to the data lake. Multiple files can have the same customer ID. You need to keep only the last modified row for each customer ID.

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.


Question 167
Correct answer: Question 167

Explanation:

1) Duplicate Customer query

2) Group by CustId by Max ModifiedDate (only 2 columns to keep)

3) Merge two queries on CustId and ModifiedDate inner join (to retreive other customer informations related to latest Date)

DRAG DROP

You have the line chart shown in the exhibit. (Click the Exhibit tab.)

You need to modify the chart to meet the following requirements:

Identify months that have order counts above the mean.

Display the mean monthly order count.

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.


Question 168
Correct answer: Question 168

Explanation:

1. Select the line chart

2. Add the average line

3. Turn on Data Label

HOTSPOT

You have a Power BI report.

You need to create a calculated table to return the 100 highest spending customers.

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 169
Correct answer: Question 169

Explanation:

Box 1: TOPN

TOPN returns the top N rows of the specified table.

Box 2: SUMMARIZE

SUMMARIZE returns a summary table for the requested totals over a set of groups.

Box 3: DESC

Sort in descending order.

It is last in the TOPN command.

TOPN syntax:

TOPN(<n_value>, <table>, <orderBy_expression>, [<order>[, <orderBy_expression>, [<order>]]…])

Reference:

https://docs.microsoft.com/en-us/dax/topn-function-dax

https://docs.microsoft.com/en-us/dax/summarize-function-dax

HOTSPOT

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 170
Correct answer: Question 170

Explanation:

Box 1: One-to-many

A customer can have many invoices within one month.

Box 2: Single

For One-to-many relationships, the cross filter direction is always from the "one" side, and optionally from the "many" side (bi-directional). For Single cross filter direction means "single direction", and Both means "both directions". A relationship that filters in both directions is commonly described as bi-directional.

Reference:

https://docs.microsoft.com/en-us/power-bi/transform-model/desktop-relationships-understand

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