Microsoft · Associate

Microsoft Power BI Data Analyst (PL-300)

Prepare, model, visualize, and analyze data with Microsoft Power BI.

PL-300 exam at a glance

Exam codePL-300
VendorMicrosoft
LevelAssociate
Domains4
Published practice questions255
Our mock exam55 questions in 100 minutes
Our practice pass target70%
Checked against the exam guideJuly 6, 2026
Official exam pageMicrosoft — PL-300

The mock exam length, time limit and pass target are our practice settings, not official exam scores or a guarantee of passing. Check the official PL-300 exam page for the current format, price and scoring before you book.

PL-300 exam domains

Weights show our practice allocation, built from the official exam guide; official blueprints may give ranges. Each domain links to its free sample questions (with explanations) and study guide preview once they are published.

Prepare the data

28%

Get data from sources, profile, clean, and transform it with Power Query.

  • Connectors and storage modes: Import vs DirectQuery vs Dual; live connection
  • Dataflows and shared semantic model reuse
  • Power Query transformations: merge vs append, pivot/unpivot, group by
  • Column quality, distribution, profile tools
  • Handling errors, nulls, data type conversions
  • Query folding: what breaks it, why it matters
  • Parameters and incremental refresh setup
  • Privacy levels and gateway basics
  • Choose between Direct Lake, DirectQuery and Import

Free Prepare the data practice questions →Prepare the data study guide →

Model the data

27%

Design semantic models, write DAX, and optimize model performance.

  • Star schema design, fact vs dimension tables
  • Relationships: cardinality, cross-filter direction, inactive relationships
  • DAX: CALCULATE, filter context vs row context, iterators (SUMX)
  • Time intelligence functions and date tables
  • Measures vs calculated columns vs calculated tables
  • USERELATIONSHIP, TREATAS, RELATED
  • Row-level security roles (static and dynamic)
  • Performance: reduce cardinality, VertiPaq, Performance Analyzer
  • Create calculation groups
  • Use DAX query view with Performance Analyzer

Free Model the data practice questions →Model the data study guide →

Visualize and analyze the data

25%

Create reports and dashboards, apply analytics features, and identify patterns.

  • Choosing visuals; formatting, conditional formatting, tooltips
  • Slicers, filters (visual/page/report), sync slicers
  • Bookmarks, drillthrough, drill down, report page navigation
  • Q&A, key influencers, decomposition tree, smart narrative
  • Anomaly detection and forecasting
  • Dashboards vs reports; pinning tiles
  • Mobile layout and accessibility
  • Paginated report awareness
  • Create visual calculations by using DAX
  • Use Copilot to create a new report page

Free Visualize and analyze the data practice questions →Visualize and analyze the data study guide →

Manage and secure Power BI

20%

Manage workspaces, deploy assets, and secure data access.

  • Workspaces: roles, apps, audiences
  • Deployment pipelines (dev/test/prod)
  • Semantic model refresh scheduling and gateways
  • Sensitivity labels and endorsement (promoted/certified)
  • Row-level security testing in the service
  • Sharing, permissions, and licensing (Pro vs PPU vs Fabric capacity)
  • Usage metrics and lineage view

Free Manage and secure Power BI practice questions →Manage and secure Power BI study guide →

PL-300 FAQ

How is the Power BI Data Analyst (PL-300) practice assessment configured?

Our practice format targets 55 questions in 100 minutes. Availability depends on the published question bank and is shown on this course page. Official exam question counts and formats may differ.

What does the 70% practice target mean?

Microsoft technical exams use a scaled passing score of 700; this is not equivalent to 70% correct. DataCertPrep uses 70% as an internal practice target, not a prediction or guarantee of passing.

How should I assess my progress in Power BI Data Analyst (PL-300)?

Use practice accuracy to find weak topics. Repeating familiar questions can inflate your score. Check coverage of the current objectives, practise hands-on tasks, and assess yourself on unseen questions.

What is the best way to study Power BI Data Analyst (PL-300)?

Read the available guides, work through practice explanations, use flashcards and complete practical exercises. Take a timed assessment when available. Check the provider's current exam guide before booking your exam.

Should I use PL-300 exam dumps?

No. "Dumps" are questions copied or recalled from the live exam. Certification exams are covered by a candidate agreement that prohibits sharing or using them, and breaking it can lead to a revoked certification or a ban from future exams. Dumps are also often wrong, and they go out of date when the exam blueprint changes. Memorising answers does not build the skills the exam tests. Study the official Microsoft exam guide and practise with original questions that explain each answer, such as the free sample questions linked on this page.