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Microsoft Certified:Dynamics 365 Business Central Developer Associate

MB-820Dynamics 365 Business Central Developer Associate

The Microsoft Certified: Dynamics 365 Business Central Developer Associate certification validates your ability to design, develop, test, and maintain solutions based on Dynamics 365 Business Central. It is aimed at developers responsible for extending Business Central functionality and integrating it with other applications.

Practice Free Questions

454 practice questions · Updated 2025-06-10

6Domains
17Objectives
104Concepts
454Questions

MB-820 Curriculum

Every domain, objective, and concept the MB-820 exam measures.

Describe the Business Central architecture

7 concepts · 36 questions
  1. Business Central Components
  2. Business Central Capabilities
  3. Core Solution Approach
  4. Extensions Approach
  5. Customization Update Lifecycle
  6. Business Central Online Features
  7. Business Central On-Premises Features

Describe Business Central apps

7 concepts · 34 questions
  1. BaseAppDefinition
  2. SystemAppDefinition
  3. BaseAppVsSystemApp
  4. AppFunctionalityOverview
  5. AppCustomizationCapabilities
  6. AppSourceSubmissionProcess
  7. AppSourceCertificationRequirements

Install and configure a Business Central development environment

5 concepts · 29 questions
  1. Business Central Development Environment Overview
  2. Development Environment Installation
  3. Development Environment Configuration
  4. AL Extension Configuration Files
  5. Workspace Management for AL Extensions

Create, debug, and deploy an extension in Business Central

7 concepts · 33 questions
  1. Visual Studio Code Setup
  2. Extension Debugging
  3. Extension Deployment
  4. Extension Creation
  5. Extension Modification
  6. Multilanguage Development
  7. Extension Maintenance

Build and extend tables and pages in Business Central

5 concepts · 17 questions
  1. Role Center Page Development
  2. Page Type Identification
  3. Page Object Construction
  4. Table Construction
  5. Enum Construction

Build and extend reports

8 concepts · 31 questions
  1. ReportSubstitution
  2. ReportLayoutCreation
  3. DocumentReportCreation
  4. ReportDataModelDesign
  5. MultilanguageImplementation
  6. ReportTriggersAndFunctions
  7. ProcessingOnlyReports
  8. ReportRequestPageDevelopment

Design and create an XMLport

3 concepts · 21 questions
  1. XMLportPropertiesConfiguration
  2. NodePropertiesConfiguration
  3. XMLportUsageInALCode

Develop codeunits

7 concepts · 25 questions
  1. CodeunitCreation
  2. CodeunitAccess
  3. EventUsage
  4. TriggerImplementation
  5. InterfaceImplementation
  6. InstallationCodeunits
  7. UpgradeCodeunits

Create entitlement and permission set objects

4 concepts · 16 questions
  1. Permission Set Creation
  2. Permission Set Extension
  3. Entitlement Override
  4. Permission Troubleshooting

Create queries in Business Central

6 concepts · 16 questions
  1. LinkDataItems
  2. JoinDataItems
  3. ApplyQueryFilters
  4. UseQueriesInsteadOfRecordVariables
  5. AggregateDataInQueries
  6. CreateReportsUsingQueries

Customize the UI experience, and implement onboarding techniques

6 concepts · 18 questions
  1. ProfileCreationInAL
  2. ViewManagementInAL
  3. UserAssistanceModelDevelopment
  4. AssistedSetupIntegration
  5. TeachingTipsCreation
  6. OnboardingChecklistCreation

Describe the essential development standards

6 concepts · 38 questions
  1. Data Process Model Implementation
  2. Functional Table Types
  3. Table Characteristics
  4. Document Standards Usage
  5. Master Data Standards
  6. Design Patterns for Master Data

Use AL to extend Business Central

10 concepts · 33 questions
  1. CustomProcedures
  2. DataTypesUsage
  3. FileManagement
  4. DataManipulation
  5. ALBasics
  6. ExpressionsUsage
  7. BuiltInFunctionsAndStatements
  8. VariablesDefinition
  9. ErrorManagement
  10. AccessModifiers

Implement semiautomated test processes, and run standard Business Central tests

5 concepts · 24 questions
  1. Business Central Test Applications
  2. Test Toolkit Installation
  3. Running the Test Toolkit
  4. Developing Test Codeunits
  5. Creating Test Procedures

Manage and analyze telemetry

4 concepts · 42 questions
  1. Telemetry Monitoring
  2. Telemetry Analysis
  3. Telemetry Configuration
  4. Custom Telemetry Signals

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

8 concepts · 19 questions
  1. HTTPClientClassUsage
  2. HTTPResponseClassHandling
  3. HTTPContentClassFunctions
  4. RESTServiceDataRetrieval
  5. RESTServiceDataTransmission
  6. JSONStructureUnderstanding
  7. JSONDataParsing
  8. JSONDataCreation

Implement APIs

6 concepts · 22 questions
  1. API Creation
  2. API Management
  3. OData Bound Actions
  4. OData Unbound Actions
  5. Read Scale-Out Configuration
  6. Performance Optimization with Read Scale-Out
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Practice Free Questions

Percentages reflect share of the current practice bank, not official exam weightings — no structured per-skill weight is published for MB-820, so none is invented.