Free DP-500 Exam Braindumps (page: 1)

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View Related Case Study

You need to identify the root cause of the data refresh issue.

What should you use?

  1. the Usage Metrics Report in powerbi.com
  2. Query Diagnostics in Power Query Editor
  3. Performance analyzer in Power BI Desktop

Answer(s): B

Explanation:

Users indicate that the data in Power BI reports is stale. You discover that the refresh process of the Power BI model occasionally times out.

With Query Diagnostics, you can achieve a better understanding of what Power Query is doing at authoring and at refresh time in Power BI Desktop. While we'll be expanding on this feature in the future, including adding the ability to use it during full refreshes, at this time you can use it to understand what sort of queries you're emitting, what slowdowns you might run into during authoring refresh, and what kind of background events are happening.


Reference:

https://docs.microsoft.com/en-us/power-query/querydiagnostics



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Which two possible tools can you use to identify what causes the report to render slowly? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

  1. Synapse Studio
  2. DAX Studio
  3. Azure Data Studio
  4. Performance analyzer in Power BI Desktop

Answer(s): B,D

Explanation:

Some users indicate that the visuals in Power BI reports are slow to render when making filter selections.

B: You can investigate a slow query in a Power BI report using DAX Studio, looking at the query plan and the server timings.

D: Use Power BI Desktop Performance Analyzer to optimize the report or model.


Reference:

https://www.sqlbi.com/tv/analyzing-a-slow-report-query-in-dax-studio/
https://docs.microsoft.com/en-us/power-bi/guidance/report-performance-troubleshoot



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DRAG DROP (Drag and Drop is not supported)
You need to integrate the external data source to support the planned changes.
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.
Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Step 1: Create a web data source

Planned Changes, Contoso plans to implement the following changes:
Into the existing Power BI dataset, integrate an external data source that is accessible by using the REST API.

Step 2: Expand the attributes
The imported data from the REST API URL will be JSON data. In order to later create models and visualizations on this data, it’s better to change the JSON data into a table. In the power query editor window, click right-click on the data, and select the option “to table”.

After you change it to a table, there is a button ‘to expand’ the attributes of the JSON data, click the expand button (The button with two arrows in the picture below) on the right-top corner.

Then, a pop-up window will be displayed so that you can choose which attributes to include in your data model.

Step 3: Publish the model.


Reference:

https://medium.com/@ux.emily.kim/importing-data-to-power-bi-using-rest-apis-and-automatically-updating-the-dashboard-c3d018897b1c



View Related Case Study

DRAG DROP (Drag and Drop is not supported)
You need to create Power BI reports that will display data based on the customers’ subscription level.

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.
Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Step 1: Create row-level security (RLS) roles
Create roles

Note: Provide all the customers with their own Power BI workspace to create their own reports. Each workspace will use the new dataset in the FinData workspace.
Implement subscription levels for the customers. Each subscription level will provide access to specific rows of financial data.
Deploy prebuilt datasets to Power BI to simplify the query experience of the customers.

Step 2: Create a DAX expression
Consider a model with two roles: The first role, named Workers, restricts access to all Payroll table rows by using the following rule expression:

FALSE()
Note: A rule will return no table rows when its expression evaluates to false.

Yet, a second role, named Managers, allows access to all Payroll table rows by using the following rule expression:

TRUE()
Take care: Should a report user map to both roles, they'll see all Payroll table rows.

Step 3: Add members to row-level security (RLS) roles
Configure role mappings
Once [the model is] published to Power BI, you must map members to dataset roles.


Reference:

https://docs.microsoft.com/en-us/power-bi/guidance/rls-guidance



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