You can see it againUnder pressure people bring back shapes and positions long after the wording has gone.
Picture superiority · Shepard 1967, Standing 1973
MICROSOFTMicrosoft Certified:Dynamics 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.
Exam formatMultiple choice and interactive components
Duration100 minutes
DeliveryPearson VUE
Passing score700
Free questions454
Content last reviewed 10 June 2025 · Up to date
The certification
What MB-820 proves, and what it asks of you
What this certification covers, who it is written for, and what the exam itself looks like on the day.
6domains
17objectives
104concepts
US $165exam fee
What it is
What this certification is
What it validates, who it is written for, and the experience it assumes.
About this certification
The Microsoft Certified: Dynamics 365 Business Central Developer Associate certification demonstrates your skills in designing, developing, testing, and maintaining solutions based on Dynamics 365 Business Central. As a developer, you will extend Business Central by customizing or adding functionality and integrating it with other applications.
This certification ensures you can troubleshoot and debug issues, optimize system performance, and maintain data integrity during upgrades. It is ideal for developers who have applied knowledge of Business Central, the application language (AL), and development tools.
Who it’s for
This certification is for developers responsible for designing, developing, testing, and maintaining solutions based on Dynamics 365 Business Central. You will work on extending Business Central functionality and integrating it with other applications, such as Microsoft Power Platform products. Ideal candidates have applied knowledge of Business Central, the application language (AL), and development tools, and are comfortable troubleshooting and optimizing system performance.
Recommended experience
Experience with Business Central development and integration. Developing apps that extend Business Central; Integrating Business Central with other applications; Troubleshooting and debugging Business Central solutions; Optimizing system performance and maintaining data integrity
The syllabus
What you’ll learn
Every domain and objective Microsoft measures, with the weight they carry on the exam.
The official Microsoft exam outline · checked 10 June 2025 · See the source
Describe Business Central
- Describe the Business Central architecture
- Describe Business Central apps
Install, develop, and deploy for Business Central
- Install and configure a Business Central development environment
- Create, debug, and deploy an extension in Business Central
Develop by using AL objects
- Build and extend tables and pages in Business Central
- Build and extend reports
- Design and create an XMLport
- Develop codeunits
- Create entitlement and permission set objects
- Create queries in Business Central
Develop by using AL
- Customize the UI experience, and implement onboarding techniques
- Describe the essential development standards
- Use AL to extend Business Central
Work with development tools
- Implement semiautomated test processes, and run standard Business Central tests
- Manage and analyze telemetry
Integrate Business Central with other applications
- Access Representational State Transfer (REST) services from within Business Central
- Implement APIs
On the day
The exam itself
Everything Microsoft publishes about sitting it, and nothing we inferred.
Prerequisites
No mandatory prerequisites — this certification has no required predecessor exam or credential.
Exam codeMB-820
CertificationDynamics 365 Business Central Developer Associate
Exam formatMultiple choice and interactive components
Duration100 minutes
Passing score700
DeliveryPearson VUE
LanguagesEnglish, Chinese (Simplified), German, Spanish, French, Japanese, Portuguese (Brazil)
PricingUS $165
Certification levelAssociate
After you pass
Where this credential goes next
The path Microsoft lays out, how the credential is kept, and where to book.
Step-by-step path to Microsoft Certified: Dynamics 365 Business Central Developer Associate
Credential earnedMicrosoft Certified: Dynamics 365 Business Central Developer Associate Associate level certification Renewal and maintenance
The Dynamics 365 Business Central Developer Associate certification is valid for one year. Renew before it expires by completing Microsoft's free online renewal assessment. Stay current with the latest technologies and maintain your certification.
Learn more about renewal requirements Lifecycle status
This certification is currently active and available. Microsoft maintains this certification to validate current skills and industry relevance.
Exam status: ActiveMaintained by Microsoft
Exam registration
Register for the exam through Pearson VUE, Microsoft’s authorized testing partner.
Schedule your examVisit the official Microsoft certification page for exam policies and requirements.
View the official pageYour coach
And when you are serious, your coach Pip takes over
Your coach in the app reads what you have answered with the book closed and tells you one thing to do tonight. It will not count an answer you gave with the page open, and it will tell you when you are not ready.
See how the coach worksBefore you book
Questions people ask
Is any part of the MB-820 exam hands-on or lab-based?
Yes. In addition to multiple-choice items, MB-820 includes interactive components where you complete tasks in a simulated environment.
If I fail MB-820, when can I retake it?
You must wait 24 hours after a first failed attempt, and 14 days before each subsequent attempt. There is no annual cap on attempts.
What job roles does the Dynamics 365 Business Central Developer Associate credential map to?
It aligns with roles such as Business Central Developer, Solution Architect, and Technology Manager responsible for Business Central solutions.
Can I recertify by passing a different Microsoft exam?
Yes. Earning a higher-level Microsoft certification can automatically renew this credential without taking the MB-820 renewal assessment.
Information freshness · Content last reviewed on 2025-06-10 Up to date
Practice free questions 454 questions, free, no account needed.
The curriculum
The whole exam, mapped and written
Every domain, every objective, and every concept Microsoft measures — each one written out.
6domains
17objectives
104concepts
99free pages
The domains, and what sits inside them
Every objective below is a page you can open and practise now, without an account.
The official Microsoft exam outline · checked 10 June 2025 · See the source
1Describe Business Central70 questions
2Install, develop, and deploy for Business Central62 questions
3Develop by using AL objects126 questions
Build and extend tables and pages in Business Central5 concepts · 4 pagesOpen →Build and extend reports8 concepts · 7 pagesOpen →Design and create an XMLport3 concepts · 5 pagesOpen →Develop codeunits7 concepts · 5 pagesOpen →Create entitlement and permission set objects4 concepts · 4 pagesOpen →Create queries in Business Central6 concepts · 4 pagesOpen →
4Develop by using AL89 questions
5Work with development tools66 questions
6Integrate Business Central with other applications41 questions
Not a table of contents
Every line on this map already opens
In front of every objective the practice pages are already there, free and without an account. This is one objective, opened.
Describe the Business Central architecture8 pagesOpen →
Free in front of it
36 questions on this objective, five to a page. Every range above is a real page, open now, with no account.
Reading the map is not the same as knowing the ground
The curriculum tells you what is on the exam. Proving you know it is a different job — and it is the one the closed-book run does.
Free questions
454 questions. No account, no card.
The whole bank is open. 5 questions to a page, every answer explained, and a discussion thread on each one.
454questions
99pages
17objectives
Freealways
Browse by domain
Every objective, and every page range, is a link — so you can pick up exactly where you left off.
1Describe Business Central70 questions
2Install, develop, and deploy for Business Central62 questions
3Develop by using AL objects126 questions
4Develop by using AL89 questions
5Work with development tools66 questions
6Integrate Business Central with other applications41 questions
What a practice page gives you
1Five to a page
Short enough to finish, long enough to matter.
2Every answer explained
Not only which one is right — why the others are wrong.
3A discussion on each
Ask, answer, and vote. Every question has its own thread.
A question, and the idea behind it
Every question comes from a concept
These are not trivia. Each one is written against a concept in the book, so when you get one wrong there is somewhere to go and find out why.
The visual book
See it once. Carry it into the exam.
The pages shown here come from our AI-900 book — an example of how each concept is written in plain language and, where the idea needs one, drawn as a full page you can take in at a glance.
104concepts
454free questions
Why a picture, and not another paragraph
Three reasons, and each one is a real finding rather than a slogan.
You can see it againThe whole idea at onceWhere it starts, what happens in the middle, what comes out, and the mistake to avoid.
Multimedia principle · MayerThe look-alikes sit togetherThe pairs the exam tests are drawn side by side, so the difference is seen, not told.
Dual coding · PaivioWhat one page is made of
You are never asked to read a poster here — only to see how one is built. After that, every other page is legible at a glance.
1A numbered strip on top
The idea as a sequence, followed with a finger before a word is read.
2Panels for the parts
What it is, how the machine learns it, when it is the right tool.
3The trap, framed
The distinction the exam tests, given its own box instead of buried in prose.
4One line at the bottom
The sentence to carry into the exam room.
Open book, on purpose
Answer it with the picture beside you
This is the part that teaches. The illustration and the written explanation stay where they are while you work, so a scenario stops being a memory test and becomes something you can simply look at.
It teaches · it does not count
A smartphone uses AI to unlock when the owner looks at the camera. Which AI capability is being used?
AImage classification
BFacial recognition
COptical character recognition
DObject detection
Look at the five steps. Detect finds a face, align straightens it, encode turns it into numbers, search compares it with a stored face, and decide answers one question: is this the same person? Classification would only say “a face”. Detection would only draw a box. Neither decides whose.
Then the page shuts, and it starts counting
The same questions come back with the book closed — that run is the one that counts. After it, your coach picks one thing for tonight, sized to the time you have, and brings pages back before you lose them.
Testing effect · Roediger & Karpicke 2006 · spacing effect · Cepeda et al. 2006
Official resources
Straight from Microsoft
Where the exam is defined, scheduled and scored.
2official links
104concepts mapped
The source
Microsoft’s own pages
We link to them rather than repeat them, so nothing here goes stale behind them.
Checked against the source
Every objective on the official Microsoft outline already has questions here
We build from the official skills outline, not from a summary of it — 17 objectives, 104 concepts written under them, and free questions against every one. When Microsoft changes the outline, this page changes with it.
17objectives on the outline→104concepts written→454free questions
An official page tells you what will be asked. It cannot tell you what you will get right.
That is the only question worth answering the night before, and no link answers it. You answer it by taking the questions with the book closed, and seeing what comes back.