Business Central Developer (MB-820) Exam Questions May-2025

Skills at a glance

• Describe Business Central (10–15%)

• Install, develop, and deploy for Business Central (10–15%)

• Develop by using AL objects (35–40%)

• Develop by using AL (15–20%)

• Work with development tools (10–15%)

• Integrate Business Central with other applications (10–15%)

Describe Business Central (10–15%)

Describe the Business Central architecture

• 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

• Differentiate between the base app and the system app

• Describe the functionality of apps

• Describe the process of bringing an app to AppSource

Install, develop, and deploy for Business Central (10–15%)

Install and configure a Business Central development environment

• Describe the development environment for Business Central

• Install and configure the development environment

• Manage JSON configuration files

• Manage multiple AL extensions in one workspace

Create, debug, and deploy an extension in Business Central

• 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

Develop by using AL objects (35–40%)

Build and extend tables and pages in Business Central

• 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

• 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

• Configure different XMLport properties

• Configure nodes and their properties

• Use XMLports in AL code

Develop codeunits

• Create and access codeunits

• Use events and triggers

• Implement interfaces

• Create installation and upgrade codeunits

Create entitlement and permission set objects

• Create and extend permission sets

• Override entitlements with inherent permissions

• Troubleshoot permission sets

Create queries in Business Central

• 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

Develop by using AL (15–20%)

Customize the UI experience, and implement onboarding techniques

• 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

• 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

• 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

Work with development tools (10–15%)

Implement semiautomated test processes, and run standard Business Central tests

• Test applications in Business Central

• Install and run the Test Toolkit

• Develop test codeunits and procedures

Manage and analyze telemetry

• Monitor and analyze telemetry

• Configure telemetry

• Create custom telemetry signals

Integrate Business Central with other applications (10–15%)

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

• 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

• Create and work with APIs

• Manage UI interaction when working with web services

• Use Read Scale-Out to improve performance

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