Study Guide and Summary for the MB-820 Exam: Microsoft Dynamics 365 Business Central Developer Certification
Introduction
As you may already be aware, Microsoft has introduced the highly anticipated certifications for Microsoft Dynamics 365 Business Central developers, including the MB-820 exam. To obtain this certification, one must possess expertise in designing, developing, testing, and maintaining solutions that utilize Dynamics 365 Business Central.
Skills Covered by the Exam Include 6 Core Areas:
- Describe Business Central (10-15%)
- Install, develop, and deploy for BC (10-15%)
- Develop by using AL objects (35-40%)
- Develop by using AL (15-20%)
- Work with development tools (10-15%)
- Integrate BC with other applications (10-15%)
Registering for the MB-820 Exam
If you would like to schedule an exam, click here.
Before the exam, I suggest reading the Exam overview and learning material with official "Microsoft Learn" links using learning points.
1. Describe Business Central (10–15%)
1.1 Describe the BC architecture
| Describe the components and capabilities of Business Central | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/deployment/product-and-architecture-overview |
| Describe the core solution and extensions approach for Business Central | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-dev-overview |
| Describe the update lifecycle for customizations of Business Central | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-customization-update-lifecycle |
| https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/administration/tenant-admin-center-manage-apps | |
| Differentiate Business Central Online and Business Central on-premises features | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/features-not-implemented-on-premises |
| https://learn.microsoft.com/en-us/dynamics365/fin-ops-core/dev-itpro/get-started/cloud-prem-comparison |
1.2 Describe Business Central apps
2. Install, develop, and deploy for BC (10–15%)
2.1 Install and configure a BC development environment
2.2 Create, debug, and deploy an extension in BC
3. Develop by using AL objects (35–40%)
3.1 Build and extend tables and pages in BC
3.2 Build and extend reports
3.3 Design and create an XMLport
| Work with XMLports | https://learn.microsoft.com/en-us/training/modules/work-with-xmlports/ |
| Configure different XMLport properties | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/properties/devenv-xmlport-properties |
| Define nodes and their properties | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-xmlport-schema |
| Use XMLports in AL code | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-xmlport-object |
3.4 Develop codeunits
3.5 Work with entitlement and permission set objects
3.6 Create queries in BC
| https://learn.microsoft.com/en-us/training/modules/work-with-queries/ | |
| Link and join data items | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-query-links-joins |
| Apply filters in query objects | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-query-filters |
| Use queries instead of record variables | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-query-using-instead-record-variables |
| Aggregate data in query objects | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-query-totals-grouping |
| Use a query to create a report | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-report-dataset (Using a Query in a dataset definition) |
4. Develop by using AL (15–20%)
4.1 Customize the UI experience and implement onboarding techniques
| Create profiles in AL | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-design-profiles |
| Use and create views in AL | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-views |
| Develop the UI by using the user assistance model | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/user-assistance |
| Integrate assisted setup | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-designing-navigate-pages |
| https://learn.microsoft.com/en-us/training/modules/build-assisted-setup/ | |
| Create teaching tips and in-app tours to onboard users | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/administration/onboarding-teaching-tips-tours |
| Create an onboarding checklist | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/administration/onboarding-checklist |
4.2 Describe the essential development standards
| https://learn.microsoft.com/en-us/training/paths/essential-development-standards/ | |
| Implement the data process model in BC | https://learn.microsoft.com/en-us/training/modules/implement-data-process-model-business-central/ |
| Define the different functional table types and characteristics | https://learn.microsoft.com/en-us/training/modules/identify-table-types/ |
| Use document standards in BC | https://learn.microsoft.com/en-us/training/modules/use-document-standards-business-central/ |
| Implement master data standards and design patterns | https://learn.microsoft.com/en-us/training/modules/work-with-master-data-business-central/ |
4.3 Use AL to extend BC
5. Work with development tools (10–15%)
5.1 Implement semi-automated test processes and run standard BC tests
5.2 Manage and analyze telemetry
6. Integrate BC with other applications (10–15%)
6.1 Access REST services from within BC
| Use the different HTTP classes and their functions | https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-httpclient |
| Get data from and send data to an external REST service | https://learn.microsoft.com/en-us/training/modules/access-rest-services/ |
| Use and read JSON | https://community.dynamics.com/blogs/post/?postid=340bd1db-2a2c-41c7-a20f-060448f64649 |
6.2 Implement APIs
Conclusion
Taking everything into account, the MB-820 certification is tailored for intermediate to advanced AL developers. The examination spans two hours and features an assortment of question types, including several case studies, single and multiple-choice questions, tasks requiring the correct sequencing of code blocks, and exercises involving the selection of appropriate code options to ensure functionality.
I hope this guide has been beneficial to you. Wishing you the best of luck with your examination!
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