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Data Visualization

Microsoft Power BI Data Analyst (PL-300)

Validates ability to create data models and reports using Power BI. Covers data transformation, visualization, and dashboard design.

Provider

Microsoft

Level

Associate

Duration

1–2 months

Cost

$165

Passing Score

70%

Validity

2 years

Salary Impact

+$8,000–$14,000 avg

Prerequisites

Power BI hands-on experience

Excel fundamentals

SQL basics

Exam Format

40–60 multiple-choice questions, 120 minutes, $165 USD

Exam Topics & Weights

Prepare and shape data

25%

Model data

20%

Visualize and analyze data

30%

Deploy and maintain assets

25%

8-Week Study Plan

Weeks 1

Focus: Power BI desktop fundamentals

Microsoft Learn modules

Power BI documentation

Desktop introduction

Weeks 2-3

Focus: Power Query and data transformation

Power Query editor

M language basics

Merge and append

Weeks 4-5

Focus: Data modeling with DAX

DAX formulas

Star schema design

Relationships and cardinality

Weeks 6-7

Focus: Visualizations, dashboards, and Power BI Service

Visualization types

Report design

Publishing to Power BI Service

Exam Tips & Strategies

DAX is critical—understand CALCULATE, context transition, and filter arguments

Power Query M language for advanced transformations

Relationship types (one-to-many, many-to-many) are frequently tested

Row-level security (RLS) for data governance is important

Performance optimization using aggregations and incremental refresh

Power BI Service sharing and workspace management matters

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