MB-820 practice examsFinished
Microsoft Certified: Dynamics 365 Business Central Developer Associate
Developing for Dynamics 365 Business Central with AL: understanding the architecture and extension model, installing and configuring the development environment and deploying extensions, building AL objects such as tables, pages, reports, codeunits and queries, writing AL code, using development and telemetry tools, and integrating with REST and APIs.
What you get
Papers are cut from the bank and weighted like the real exam, and no question appears in two of them. Every wrong answer comes back on later days until you have it right.
What the exam covers
| 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% |
Two sample questions
1. What does an integration event differ from a business event in AL?
- It is sent out to an external system
- It runs only during install
- It cannot carry parameters
- It is an extension point in code — correct
Why: IntegrationEvent is the hook other AL code subscribes to.
2. How many fields can a primary key combine, and how many keys can a table have?
- Up to 10 fields; up to 20 keys
- Up to 16 fields; up to 40 keys — correct
- Up to 20 fields; up to 16 keys
- Up to 8 fields; up to 100 keys
Why: The primary key combines up to 16 fields; a table can have up to 40 keys of up to 20 fields each.
The real MB-820 exam
| Length | 100 minutes |
|---|---|
| Questions | 40-60 |
| Pass mark | 700 out of 1000 |
| Price | Standard Microsoft exam pricing; varies by region |
| Recommended before you sit it | Applied knowledge of Business Central and the AL language, the development environment and tools, and application lifecycle management including source control and CI/CD. |
| Valid for | One year; renew free on Microsoft Learn |
Exam facts as published by Microsoft; always check the vendor’s page before you book.
Study MB-820 with Chiron
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