Microsoft PL-300考題資訊 & PL-300測試

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Microsoft PL-300 Exam Syllabus Topics:

Section	Weight	Objectives
Visualize and analyze data	25-30%	- Create reports and dashboards 1. Design report layout, formatting, and interactivity 2. Choose appropriate visualizations 3. Create dashboards and pinned elements 4. Apply filters, slicers, and drill-through - Perform data analysis 1. Create and manage bookmarks and tooltips 2. Implement custom visuals and R/Python scripts 3. Interpret results and identify trends - Enhance reports with analytics 1. Create paginated reports 2. Use AI visuals, forecasts, and key influencers 3. Apply conditional formatting and custom visuals
Manage and secure Power BI	15-20%	- Deploy and distribute content 1. Share reports, dashboards, and apps 2. Embed content in applications or websites 3. Monitor usage and performance - Manage workspaces and assets 1. Create and configure workspaces 2. Manage data refresh and scheduled updates 3. Publish, update, and organize reports/datasets - Implement security and governance 1. Configure row-level security (RLS) and object-level security 2. Manage permissions and access 3. Apply data sensitivity labels and protection
Prepare the data	25-30%	- Get or connect to data 1. Create and modify parameters 2. Identify and connect to data sources or shared semantic models 3. Choose storage modes: Import, DirectQuery, DirectLake 4. Configure data source settings, credentials, and privacy levels - Load and configure data 1. Integrate data from multiple sources 2. Define table structures and properties 3. Configure data refresh settings - Profile and clean data 1. Resolve inconsistencies, null values, and errors 2. Transform data using Power Query Editor 3. Manage data types, columns, and rows 4. Evaluate data statistics and column properties
Model the data	25-30%	- Create model calculations 1. Implement aggregation and time intelligence 2. Use DAX: calculated columns, calculated tables, measures 3. Use CALCULATE and filter context - Design data models 1. Create relationships: cardinality, cross-filter direction, security 2. Define tables, columns, and hierarchies 3. Create common date tables 4. Implement role-playing dimensions - Optimize model performance 1. Optimize relationships and calculations 2. Reduce cardinality and data size 3. Use aggregations and composite models

>> Microsoft PL-300考題資訊 <<

PL-300測試 & PL-300在線考題

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最新的 Microsoft Certified: Power BI Data Analyst Associate PL-300 免費考試真題 (Q471-Q476):

問題 #471
What should you do to address the existing environment data concerns?

A. a calculated column that uses the following formula: ABS(Sales[sales_amount])
B. a measure that uses the following formula: SUMX(FILTER( ' Sales ' , ' Sales ' [sales_amount] > 0)),
[sales_amount])
C. a measure that uses the following formula: SUM(Sales[sales_amount])
D. a calculated column that uses the following formula: IF(ISBLANK(Sales[sales_amount]),0, (Sales
[sales_amount] ))

答案：B

解題說明：
The correct answer is B (a measure that uses the following formula: SUMX(FILTER( ' Sales ' , ' Sales '
[sales_amount] > 0)),[sales_amount])). The scenario is asking for a way to choose the action needed to address the existing environment data concerns. Measures are evaluated in the current filter c ontext, whereas calculated columns are stored at refresh. The selected DAX must therefore return the requested result at the correct grain without materializing unnecessary model data. This directly matches the current study-guide objective " Create model calculations by using DAX " . An alternative that changes the source or creates a stored column either ignores filter context or increases model size without meeting a dynamic measure requirement.
Microsoft Learn reference: https://learn.microsoft.com/en-us/dax/ | PL-300 objective: " Create model calculations by using DAX " | Study guide: https://learn.microsoft.com/en-us/credentials/certifications
/resources/study-guides/pl-300

問題 #472
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.

答案：

解題說明：

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

問題 #473
You have a Microsoft Power Bl workspace.
You need to grant the user capabilities shown in the following table.

The solution must use the principle of least privilege.
Which user role should you assign to each user? To answer, drag the appropriate roles to the correct users.
Each role 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.

答案：

解題說明：

Explanation:
User 1 = Member
User 2 = Contributor
https://docs.microsoft.com/en-us/power-bi/collaborate-share/service-new-workspaces

問題 #474
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this scenario, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have a clustered bar chart that contains a measure named Salary as the value and a field named Employee as the axis. Salary is present in the data as numerical amount representing US dollars.
You need to create a reference line to show which employees are above the median salary.
Solution: You create a percentile line by using the Salary measure and set the percentile to 50%.
Does this meet the goal?

A. No
B. Yes

答案：A

解題說明：
The 50th percentile is also known as the median or middle value where 50 percent of observations fall below.
Reference:
https://dash-intel.com/powerbi/statistical_functions_percentile.php

問題 #475
You have a Power Bl report for the marketing department. The report reports on web traffic to a blog and contains data from the following tables.

There is a one-to-many relationship from Posts to Traffic that uses the URL and URL Visited columns. The report contains the visuals shown in the following table.

The dataset takes a long time to refresh.
You need to modify Posts and Traffic q ueries to reduce toad times.
Which two actions will reduce the toad times? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

A. Remove Traffic [IP Address], Traffic (Browser Agent] , and Traffic [Referring URL).
B. Remove the rows in Posts in which Post [Publish Date] is in the last seven days.
C. Remove the rows in Traffic i n which Traffic [URL visited] does not contain " blog ' '
D. Remove Posts [Full Text] and Posts [Summary] .
E. Remove the rows in Traffic in which Traffic [Referring URL] does not start wit h " / "

答案：C,D

問題 #476
......

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