MB-820 Verified 2026 Edition

Dynamics 365 Business Central DeveloperPractice Test

Master the Microsoft Dynamics 365 Business Central Developer with the official PlanetCert Practice Test. Access real exam questions, professional-grade detailed explanations, and our advanced adaptive simulator. Pass your certification exam on the first attempt.

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Exam Information

Official specifications published by Microsoft

Exam Format

100 min
40-60
700
Associate

Registration

$165 USD
Pearson VUE or online proctoring
English, Chinese (Simplified), German, Spanish +3 more

Validity

12 months
Pass a free online renewal assessment on Microsoft Learn; Renewal available 6 months before expiration

MB-820 Exam Topics and Domains

MB-820 is organized into 6 weighted domains. Expect to work with AppSource, Azure Application Insights, Business Central On-Premises, Business Central Online, and more.

1

Describe Business Central

12.5%

Describe the Business Central architecture

Components and capabilities of Business CentralCore solution and extensions approachUpdate lifecycle for customizationsOnline vs on-premises features
  • Describe the components and capabilities of Business Central
  • Describe the core solution and extensions approach for Business Central
  • Describe the update lifecycle for customizations of Business Central
  • Differentiate Business Central online and Business Central on-premises features

Describe Business Central apps

Base app vs system appFunctionality of appsAppSource submission process
  • Differentiate between the base app and the system app
  • Describe the functionality of apps
  • Describe the process of bringing an app to AppSource
2

Install, develop, and deploy for Business Central

12.5%

Install and configure a Business Central development environment

Development environment overviewConfiguration files managementMulti-extension workspaces
  • Describe the development environment for Business Central
  • Install and configure the development environment
  • Manage configuration files for an AL extension
  • Manage multiple AL extensions in one workspace

Create, debug, and deploy an extension in Business Central

Debugging extensionsExtension deploymentCreating and modifying extensionsMultilanguage developmentExtension maintenance
  • Debug an extension with Visual Studio Code
  • Deploy an extension
  • Create or modify a Business Central extension in Visual Studio Code
  • Manage multilanguage development
  • Maintain extensions
3

Develop by using AL objects

37.5%

Build and extend tables and pages in Business Central

Role Center pagesPage typesPage extensionsTable design and extensionsEnums
  • Develop Role Center pages
  • Identify different page types
  • Build and extend page objects
  • Build and extend tables
  • Build and extend enums

Build and extend reports

Report substitutionReport layoutsDocument reportsReport data modelMultilanguage reportsReport triggers and functionsReport request page
  • Substitute a report
  • Create a report layout
  • Create document reports
  • Design the data model of a report
  • Implement multilanguage in reports
  • Use report triggers, functions, and processing-only reports
  • Develop the report request page

Design and create an XMLport

XMLport propertiesXMLport nodesXMLports in code
  • Configure different XMLport properties
  • Configure nodes and their properties
  • Use XMLports in AL code

Develop codeunits

Codeunit creation and accessEvents and triggersInterfacesInstallation and upgrade codeunits
  • Create and access codeunits
  • Use events and triggers
  • Implement interfaces
  • Create installation and upgrade codeunits

Create entitlement and permission set objects

Permission setsEntitlementsPermission troubleshooting
  • Create and extend permission sets
  • Override entitlements with inherent permissions
  • Troubleshoot permission sets

Create queries in Business Central

Query data items and linkingQuery filtersQueries vs record variablesData aggregationQueries in reports
  • Link and join data items
  • Apply filters in query objects
  • Use queries instead of record variables
  • Aggregate data in query objects
  • Use a query to create a report
4

Develop by using AL

17.5%

Customize the UI experience, and implement onboarding techniques

Profiles in ALViews in ALUser assistance modelAssisted setupTeaching tips and in-app toursOnboarding checklist
  • Create profiles in AL
  • Use and create views in AL
  • Develop the UI by using the user assistance model
  • Integrate assisted setup
  • Create teaching tips and in-app tours to onboard users
  • Create an onboarding checklist

Describe the essential development standards

Data process modelFunctional table typesDocument standardsMaster data standards
  • Implement the data process model in Business Central
  • Define the different functional table types and characteristics
  • Use document standards in Business Central
  • Implement master data standards and design patterns

Use AL to extend Business Central

Custom proceduresData typesFile managementData manipulationAL basicsExpressionsAL built-in functionsVariablesError managementAccess modifiers
  • Create custom procedures
  • Use data types in code
  • Manage files
  • Manipulate data by using code
  • Describe the basics of the AL
  • Use the different types of expressions
  • Use AL built-in functions and AL statements
  • Work with variables and define them in AL code
  • Manage errors
  • Use access modifiers to limit access
5

Work with development tools

12.5%

Implement semiautomated test processes, and run standard Business Central tests

Testing applicationsTest ToolkitTest codeunits
  • Test applications in Business Central
  • Install and run the Test Toolkit
  • Develop test codeunits and procedures

Manage and analyze telemetry

Telemetry monitoringTelemetry configurationCustom telemetry
  • Monitor and analyze telemetry
  • Configure telemetry
  • Create custom telemetry signals
6

Integrate Business Central with other applications

12.5%

Access Representational State Transfer (REST) services from within Business Central

HTTP classesREST service integrationJSON handling
  • Use the different HTTP classes and their functions
  • Get data from and send data to an external REST service
  • Use and read JSON

Implement APIs

API pagesOData actionsRead Scale-Out
  • Create and work with APIs
  • Create and manage OData bound and unbound actions
  • Use Read Scale-Out to improve performance

How do I earn this certification?

Passing MB-820 earns the Microsoft Certified: Dynamics 365 Business Central Developer Associate certification. It sits in the Business Applications - Business Central track.

Next Level Options
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How to study for this exam?

Use the official PlanetCert Practice Test alongside the study plan below to prepare efficiently for MB-820.

What's changed on this exam?

Current Status
  • ACTIVE
  • Last content update: 2025-06-10
  • Announcement date: 2025-04-20
Updates
  • AL Language Latest (2025 Release Wave 1) Core programming language tested throughout exam • Release date: 2025-04-01
  • Business Central APIs v2.0 Major update to API implementation section (as of June 10, 2025) • Release date: 2024-11-01
  • Visual Studio Code Latest with AL Language Extension Primary development environment for exam topics • Release date: 2025-01-01
  • Azure DevOps Integration Current CI/CD practices tested in development tools domain • Release date: 2024-12-01

Who should take this exam?

  • Applied knowledge of Business Central
  • Experience with AL programming language
  • Understanding of Visual Studio Code
  • Knowledge of AppSource and extension development
  • Familiarity with ALM technologies (SCM, CI/CD)
  • Understanding of Microsoft 365 and Dynamics 365 ecosystem

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