The PL-300 certification exam from Microsoft validates your ability to analyze data using Power BI, certifying you as a Power BI Data Analyst. 🧑‍🎓

The exam covers essential skills and key components such as data preparation, modeling, visualization, and security in Power BI. The key skills required for the PL-300 exam include:

  • Prepare the data (25–30%)
  • Model the data (25–30%)
  • Visualize and analyze the data (25–30%)
  • Manage and secure Power BI (15–20%)

This page provides a comprehensive overview of the key skills covered in the PL-300 exam. We provide step-by-step tutorials to each exam topic, helping you to prepare for the PL-300 certification exam and master the skills needed to become a certified Power BI Data Analyst. 🚀

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🛠️ Prepare the data (25–30%)

Get or connect to data

  • Identify and connect to data sources or a shared semantic model
  • Change data source settings, including credentials and privacy levels
  • Choose between DirectQuery and Import
  • Create and modify parameters

Profile and clean the data

  • Evaluate data, including data statistics and column properties
  • Resolve inconsistencies, unexpected or null values, and data quality issues
  • Resolve data import errors

Transform and load the data

  • Select appropriate column data types
  • Create and transform columns
  • Group and aggregate rows
  • Pivot, unpivot, and transpose data
  • Convert semi-structured data to a table
  • Create fact tables and dimension tables
  • Identify when to use reference or duplicate queries and the resulting impact
  • Merge and append queries
  • Identify and create appropriate keys for relationships
  • Configure data loading for queries

📐 Model the data (25–30%)

Design and implement a data model

  • Configure table and column properties
  • Implement role-playing dimensions
  • Define a relationship's cardinality and cross-filter direction
  • Create a common date table
  • Identify use cases for calculated columns and calculated tables

Create model calculations by using DAX

  • Create single aggregation measures
  • Use the CALCULATE function
  • Implement time intelligence measures
  • Use basic statistical functions
  • Create semi-additive measures
  • Create a measure by using quick measures
  • Create calculated tables or columns
  • Create calculation groups

Optimize model performance

  • Improve performance by identifying and removing unnecessary rows and columns
  • Identify poorly performing measures, relationships, and visuals by using Performance Analyzer and DAX query view
  • Improve performance by reducing granularity

📊 Visualize and analyze the data (25–30%)

Create reports

  • Select an appropriate visual
  • Format and configure visuals
  • Apply and customize a theme
  • Apply conditional formatting
  • Apply slicing and filtering
  • Configure the report page
  • Choose when to use a paginated report
  • Create visual calculations by using DAX

Enhance reports for usability and storytelling

  • Configure bookmarks
  • Create custom tooltips
  • Edit and configure interactions between visuals
  • Configure navigation for a report
  • Apply sorting to visuals
  • Configure sync slicers
  • Group and layer visuals by using the Selection pane
  • Configure drillthrough navigation
  • Configure export settings
  • Design reports for mobile devices
  • Enable personalized visuals in a report
  • Design and configure Power BI reports for accessibility
  • Configure automatic page refresh
  • Use the Analyze feature in Power BI
  • Use grouping, binning, and clustering
  • Use AI visuals
  • Use reference lines, error bars, and forecasting
  • Detect outliers and anomalies

🔐 Manage and secure Power BI (15–20%)

Create and manage workspaces and assets

  • Create and configure a workspace
  • Configure and update a workspace app
  • Publish, import, or update items in a workspace
  • Create dashboards
  • Choose a distribution method
  • Configure subscriptions and data alerts
  • Promote or certify Power BI content
  • Identify when a gateway is required
  • Configure a semantic model scheduled refresh

Secure and govern Power BI items

  • Assign workspace roles
  • Configure item-level access
  • Configure access to semantic models
  • Implement row-level security roles
  • Configure row-level security group membership
  • Apply sensitivity labels
Hands-on Power BI Tutorials
Microsoft Power BI is a powerful business analytics tool that enables users to visualize data, share insights, and create interactive reports and dashboards, facilitating data-driven decision-making. Here you find hands-on tutorials and best practices about Microsoft Power BI. The tutorials are also a valuable resource for preparing for the Microsoft Exam PL-300. Learn how to become a Power BI developer. We explain step by step how you can start from scratch with Power BI.