Microsoft MB-820 valid study dumps : Microsoft Dynamics 365 Business Central Developer

  • Exam Code: MB-820
  • Exam Name: Microsoft Dynamics 365 Business Central Developer
  • Updated: Sep 15, 2026
  • Q&As: 173 Questions and Answers

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About Microsoft Dynamics 365 Business Central Developer - MB-820 Valid Dumps

Free demo, automatic update emails for a year, secure shopping with no third-party data sharing, and a written refund policy: ValidDumps wraps Microsoft Dynamics 365 Business Central Developer preparation into a single accountable purchase for 2026 MB-820 candidates.

Microsoft MB-820 Exam Overview:

Certification Vendor:Microsoft
Exam Name:Microsoft Dynamics 365 Business Central Developer
Exam Number:MB-820
Related Certifications:Microsoft Certified: Dynamics 365 Business Central Functional Consultant Associate
Certificate Validity Period:None
Passing Score:700
Real Exam Qty:40-60
Exam Format:Multiple select, Multiple choice, Drag and drop, Case study
Exam Duration:120 minutes
Exam Price:$165 USD
Available Languages:German, French, Arabic (Saudi Arabia), Chinese (Simplified), Spanish, Italian, Japanese, Portuguese (Brazil), Korean, Chinese (Traditional), English
Sample Questions:Free Download real MB-820 valid dumps
Exam Way:Online (proctored) or In-person at a Pearson VUE testing center
Official Syllabus URL:https://learn.microsoft.com/en-us/credentials/certifications/exams/mb-820/

Microsoft MB-820 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Develop by using AL objects (35-40%)35-40- Work with events
  • 1. Create custom events
  • 2. Use events and triggers
- Extend Business Central objects
  • 1. Extend pages
  • 2. Extend enums
  • 3. Extend tables
- Work with the code analysis tools
  • 1. Configure the code analysis
  • 2. Use the code analysis tools
- Design and create AL objects
  • 1. Create reports
  • 2. Create codeunits
  • 3. Create enums
  • 4. Create XMLports
  • 5. Create pages
  • 6. Create queries
  • 7. Create tables and fields
Topic 2: Develop by using advanced features (15-20%)15-20- Work with the reporting features
  • 1. Use the report rendering
  • 2. Create and configure reports
- Work with APIs
  • 1. Use API web services
  • 2. Create API pages
  • 3. Work with API queries
- Work with the entitlement and permission sets
  • 1. Create permission sets
  • 2. Create entitlements
Topic 3: Install, develop, and deploy (10-15%)10-15- Deploy extensions
  • 1. Publish and install extensions
  • 2. Manage extension lifecycle
- Develop using the AL language
  • 1. Use the AL development language
  • 2. Create AL objects
  • 3. Use debugging features
- Install and configure the on-premises development environment
  • 1. Install and configure the development environment
  • 2. Install and configure the Business Central server
  • 3. Manage extensions
Topic 4: Describe testing (5-10%)5-10- Describe the testing framework
  • 1. Describe the test codeunits
  • 2. Describe the test functions
- Create and run tests
  • 1. Run tests
  • 2. Create test codeunits and functions
Topic 5: Describe Business Central (10-15%)10-15- Describe the Business Central architecture
  • 1. Describe the Business Central on-premises architecture
  • 2. Describe the differences between Business Central online and on-premises
  • 3. Describe the Business Central cloud architecture
- Describe the components and resources
  • 1. Describe the admin center
  • 2. Describe the Business Central application components
  • 3. Describe the development environment
Topic 6: Describe continuous integration (CI) and continuous delivery (CD) (10-15%)10-15- Describe the DevOps tools and processes
  • 1. Describe the build and release pipelines
  • 2. Describe the source control management
- Describe the Business Central DevOps features
  • 1. Describe the AL-Go for GitHub
  • 2. Describe the Azure DevOps pipelines

MB-820 (Microsoft) Exam: Your Questions Answered

Microsoft Dynamics 365 Business Central Developer is an official Microsoft exam, catalogued under the code MB-820. A pass awards you the Microsoft Dynamics 365 certification at the Intermediate level. It also supports progress toward Microsoft Certified: Dynamics 365 Business Central Functional Consultant Associate. Demand for this credential has stayed strong because it validates skills employers can use from day one.

The Microsoft Dynamics 365 Business Central Developer exam packs 40-60 questions into 120 minutes. Candidates rarely fail because of one impossible topic; they fail because ten minutes vanished on three stubborn questions. Build a triage habit now: answer, flag, move on, return later. Timed full-length sessions in the ValidDumps test engine are the most honest way to practice that discipline before it counts.

You pass Microsoft Dynamics 365 Business Central Developer at 700, and the official registration fee stands at $165 USD. One detail worth internalizing: there is no retake discount, so a second sitting costs another full $165 USD. Use the ValidDumps practice tests as your gauge and book only when your results clear the requirement with a repeatable margin, not a one-off peak.

Yes. A free demo of the Microsoft Dynamics 365 Business Central Developer material is available on this page, so you can verify the quality of the questions and the expert-edited answers yourself. Once you purchase, updates are free for 365 days and the newest version is emailed to you automatically as it releases; after expiry, extending the update service costs 50% of the regular price.

A 100% money-back guarantee covers your purchase under defined conditions. If you take the Microsoft Dynamics 365 Business Central Developer exam within 60 days of buying and fail, you can claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders, and the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, you may exchange rather than refund: two other exam products of equal value, free, with the update service on your original purchase kept intact.

Delivery is instant: files unlock for download upon successful payment and are automatically emailed to you within one minute. If nothing arrives within 2 hours, check spam and contact us by email or online service. Installation is unlimited across your computers.

Microsoft Dynamics 365 Business Central Developer spans 6 official domains. The most heavily weighted include Install, develop, and deploy (10-15%) (10-15), Describe Business Central (10-15%) (10-15), and Develop by using AL objects (35-40%) (35-40). The full topic list is published above on this page; let the weightings decide where your next study hour goes.

Microsoft Dynamics 365 Business Central Developer Sample Questions:

Question #1

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
A company creates a Business Central app and a table named MyTable to store records when sales orders are posted.
Users report the following issues:
- The users receive permission errors related to MyTable.
- Users are no longer able to post sales orders since installing the
new app.
- The users cannot access the list page created in MyTable.
You need to resolve the user issues without creating new permission sets. You must use the principle of least privilege.
Solution: In the MyTable object, add the property InherentPermissions = RI.
Does the solution meet the goal?

  • A. No
  • B. Yes
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #2

You develop a procedure that calls an external service and might raise a runtime error. If the call fails, execution must continue and the current transaction must not be rolled back.
What should you implement?

  • A. A procedure that is decorated with the [TryFunction] attribute
  • B. A procedure that uses the Commit function before the call
  • C. A procedure that is decorated with the [NonDebuggable] attribute
  • D. A procedure that uses the Error function with an ErrorInfo object
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).

Question #3

A company has a Business Central online environment.
You are exporting a file from a client by using the DownloadFromStream method.
You need to create an InStream data type to send the data.
Which solution should you use?

  • A. Use CreateInStream method for File type variable.
  • B. Use CreateInStream method from codeunit "Temp Blob".
  • C. Use CreateInStream method for BLOB field of "TempBlob" table.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).

Question #4

A company is deploying Business Central on-premises.
The company plans to use a single-tenant deployment architecture.
You need to describe how the data is stored and how the Business Central Server is configured.
In which two ways should you describe the single-tenant architecture? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

  • A. Multiple customers share a single Business Central Server.
  • B. Multiple customers share multiple Business Central Server instances.
  • C. The application and business data are stored in separate databases.
  • D. The application and the business data are stored in the same database.
  • E. Each customer has their own Business Central Server.
Reveal Solution  Discussion  0

Correct Answer: D,E  🗳️

Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).

Question #5

A customer wants to test a new version of an extension against a copy of production data without affecting live operations.
What should you recommend?

  • A. Create a new company in the production environment.
  • B. Install the extension in the production environment during non-working hours.
  • C. Create a sandbox environment as a copy of the production environment in the Business Central admin center.
  • D. Use the Extension Management page to disable the current extension.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).

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