PL-300 questions and answers
Question #29 Topic 1 HOTSPOT -
You have a folder of monthly transaction extracts.
You plan to create a report to analyze the transaction data.
You receive the following email message: `Hi, I've put 24 files of monthly transaction data onto the shared drive. File Transactions201801.csv
through
Transaction201812.csv have four columns while files Transactions201901.csv through Transaction201912.csv have the same four columns plus
an additional three columns. Each file contains 10 to 50 transactions.`
You get data from the folder and select Combine & Load. The Combine Files dialog box is shown in the exhibit. (Click the Exhibit tab.)
x
https://www.examtopics.com/exams/microsoft/da-100/custom-view/ 26/169
The columns used are based on the entire dataset. The additional columns in the 2019 files will be detected.
Box 3: Yes -
Note: Under the hoods, Power BI will automatically detect which delimiter to use, and may even promote the first row as headers. You can
manually change the delimiter, or define how Power BI should handle data types. You can set it to automatically detect data types based on first
200 rows, or the entire dataset or you can even opt out the detection of data types.
Reference:
https://community.powerbi.com/t5/Desktop/Error-calculating-QOQ-using-quick-measure/m-p/547054
You have a custom connector that returns ID, From, To, Subject, Body, and Has Attachments for every email sent during the past year. More than
10 million records are returned.
You build a report analyzing the internal networks of employees based on whom they send emails to.
You need to prevent report recipients from reading the analyzed emails. The solution must minimize the model size.
What should you do?
A. Implement row-level security (RLS) so that the report recipients can only see results based on the emails they sent.
B. Remove the Subject and Body columns during the import.
C. From Model view, set the Subject and Body columns to Hidden.
Correct Answer: B
Incorrect Answers:
A, C: Does not reduce the size of the model.
Community vote distribution
B (100%)
Question #33 Topic 1
Your company has training videos that are published to YouTube.
You need to surface the videos directly in a Microsoft Power BI dashboard.
Which type of tile should you add?
A. video
B. custom streaming data
C. text box
D. web content
Correct Answer: B
The only way to visualize a streaming dataset is to add a tile and use the streaming dataset as a custom streaming data source.
Reference:
https://docs.microsoft.com/en-us/power-bi/connect-data/service-real-time-streaming
Community vote distribution
A (100%)
Question #1 Topic 2
You build a report to analyze customer transactions from a database that contains the tables shown in the following table.
You import the tables.
Which relationship should you use to link the tables?
A. many-to-many between Customer and Transaction
B. one-to-many from Transaction to Customer
C. one-to-many from Customer to Transaction
D. one-to-one between Customer and Transaction
Correct Answer: C
Each customer can have many transactions.
For each transaction there is exactly one customer
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. Hot Area:
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