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You have a Microsoft Power Bl report named Report1 that uses a Fabric semantic model. Users discover that Report1 renders slowly. You open Performance analyzer and identify that a visual named Orders By Date is the slowest to render. The duration breakdown for Orders By Date is shown in the following table. What will provide the greatest reduction in the rendering duration of Report1?
HOTSPOT Which workspace rote assignments should you recommend for ResearchReviewersGroupl and ResearchReviewersGroupZ? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
You need to refresh the Orders table of the Online Sales department. The solution must meet the semantic model requirements. What should you include in the solution?
HOTSPOT You have a Fabric tenant that contains lakehouse named Lakehousel. Lakehousel contains a Delta table with eight columns. You receive new data that contains the same eight columns and two additional columns. You create a Spark DataFrame and assign the DataFrame to a variable named df. The DataFrame contains the new data. You need to add the new data to the Delta table to meet the following requirements: * Keep all the existing rows. * Ensure that all the new data is added to the table. How should you complete the code? To answer, select the appropriate options in the answer area.
HOTSPOT You need to design a semantic model for the customer satisfaction report. Which data source authentication method and mode should you use? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
You have a Microsoft Power Bl semantic model that contains measures. The measures use multiple calculate functions and a filter function. You are evaluating the performance of the measures. In which use case will replacing the filter function with the keepfilters function reduce execution time?
DRAG DROP You create a semantic model by using Microsoft Power Bl Desktop. The model contains one security role named SalesRegionManager and the following tables: * Sales * SalesRegion * Sales Ad dress You need to modify the model to ensure that users assigned the SalesRegionManager role cannot see a column named Address in Sales Address. 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.
You have a Fabric tenant tha1 contains a takehouse named Lakehouse1. Lakehouse1 contains a Delta table named Customer. When you query Customer, you discover that the query is slow to execute. You suspect that maintenance was NOT performed on the table. You need to identify whether maintenance tasks were performed on Customer. Solution: You run the following Spark SQL statement: REFRESH TABLE customer Does this meet the goal?
You have a Fabric tenant that contains a takehouse named lakehouse1. Lakehouse1 contains a Delta table named Customer. When you query Customer, you discover that the query is slow to execute. You suspect that maintenance was NOT performed on the table. You need to identify whether maintenance tasks were performed on Customer. Solution: You run the following Spark SQL statement: DESCRIBE HISTORY customer Does this meet the goal?
You have a Fabric tenant that contains a new semantic model in OneLake. You use a Fabric notebook to read the data into a Spark DataFrame. You need to evaluate the data to calculate the min, max, mean, and standard deviation values for all the string and numeric columns. Solution: You use the following PySpark expression: df .sumary () Does this meet the goal?

Question 27 - DP-600 discussion

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You have a Fabric tenant that contains 30 CSV files in OneLake. The files are updated daily.

You create a Microsoft Power Bl semantic model named Modell that uses the CSV files as a data source. You configure incremental refresh for Model 1 and publish the model to a Premium capacity in the Fabric tenant.

When you initiate a refresh of Model1, the refresh fails after running out of resources.

What is a possible cause of the failure?

A.
Query folding is occurring.
Answers
A.
Query folding is occurring.
B.
Only refresh complete days is selected.
Answers
B.
Only refresh complete days is selected.
C.
XMLA Endpoint is set to Read Only.
Answers
C.
XMLA Endpoint is set to Read Only.
D.
Query folding is NOT occurring.
Answers
D.
Query folding is NOT occurring.
E.
The data type of the column used to partition the data has changed.
Answers
E.
The data type of the column used to partition the data has changed.
Suggested answer: E

Explanation:

A possible cause for the failure is that query folding is NOT occurring (D). Query folding helps optimize refresh by pushing down the query logic to the source system, reducing the amount of data processed and transferred, hence conserving resources. Reference = The Power BI documentation on incremental refresh and query folding provides detailed information on this topic.

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asked 02/10/2024
Quintin van Rooyen
44 questions
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