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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