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Assessment

Quiz

Computers

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Practice Problem

Hard

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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You have a Microsoft SharePoint Online site that contains several document libraries. One of the document libraries contains manufacturing reports saved as Microsoft Excel files. All the manufacturing reports have the same data structure. You need to use Power BI Desktop to load only the manufacturing reports to a table for analysis. What should you do?

Get data from a SharePoint folder and enter the site URL. Select Transform, then filter by the folder path to the manufacturing reports library.

Import the Excel files directly from the document library into Power BI without any transformations.

Use Power Query to connect to the SharePoint site and load all files from all libraries.

Create a new Excel file that consolidates all manufacturing reports and then import that file into Power BI.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You plan to create the Power BI model shown in the exhibit. (Click the Exhibit tab.) The data has the following refresh requirements: Customer must be refreshed daily. Date must be refreshed once every three years. Sales must be refreshed in near real time. SalesAggregate must be refreshed once per week. You need to select the storage modes for the tables. The solution must meet the following requirements: Minimize the load times of visuals. Ensure that the data is loaded to the model based on the refresh requirements. Which storage mode should you select for each table?

Customer: Import, Date: Import, Sale: DirectQuery, SaleAggregate: Import

Customer: Dual, Date: Dual, Sale: DirectQuery, SaleAggregate: Import

Customer: DirectQuery, Date: Import, Sale: Import, SaleAggregate: Dual

Customer: Import, Date: Dual, Sale: Import, SaleAggregate: DirectQuery

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You have a Microsoft Excel file in a Microsoft OneDrive folder. The file must be imported to a Power BI dataset. You need to ensure that the dataset can be refreshed in powerbi.com. Which two connectors can you use to connect to the file? Each correct answer presents a complete solution.

SharePoint folder

Web

SQL Server

Azure Blob Storage

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You import two Microsoft Excel tables named Customer and Address into Power Query. Customer contains the following columns: Customer ID, Customer Name, Phone, Email Address, Address ID. Address contains the following columns: Address ID, Address Line 1, Address Line 2, City, State/Region, Country, Postal Code. Each Customer ID represents a unique customer in the Customer table. Each Address ID represents a unique address in the Address table. You need to create a query that has one row per customer. Each row must contain City, State/Region, and Country for each customer. What should you do?

Merge the Customer and Address tables.

Create a new table for each customer.

Filter the Address table by Customer ID.

Remove duplicates from the Customer table.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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?

From Power BI Desktop, Select Get Data, and then Select Folder. From Power Query Editor, expand the Attributes column. From Power Query Editor, combine the Content column.

From Power BI Desktop, Select Get Data, and then Select File. From Power Query Editor, filter the Content column. From Power Query Editor, expand the Attributes column.

From Power BI Desktop, Select Get Data, and then Select Folder. From Power Query Editor, filter the Attributes column. From Power Query Editor, combine the Content column.

From Power BI Desktop, Select Get Data, and then Select Folder. From Power Query Editor, expand the Content column. From Power Query Editor, filter the Attributes column.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You have an Azure SQL database that contains sales transactions. The database is updated frequently. You need to generate reports from the data to detect fraudulent transactions. The data must be visible within five minutes of an update. How should you configure the data connection?

Set Data Connectivity mode to DirectQuery.

Use Import mode for data connectivity.

Set up a scheduled refresh every hour.

Connect using a static data snapshot.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You are profiling data by using Power Query Editor. You have a table named Reports that contains a column named State. The distribution and quality data metrics for the data in State is 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.

69 different values

50 different values

4 non-null values

10 non-null values

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