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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.
| 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: | ![]() |
| 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/ |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Develop by using AL objects (35-40%) | 35-40 | - Work with events
|
| Topic 2: Develop by using advanced features (15-20%) | 15-20 | - Work with the reporting features
|
| Topic 3: Install, develop, and deploy (10-15%) | 10-15 | - Deploy extensions
|
| Topic 4: Describe testing (5-10%) | 5-10 | - Describe the testing framework
|
| Topic 5: Describe Business Central (10-15%) | 10-15 | - Describe the Business Central architecture
|
| Topic 6: Describe continuous integration (CI) and continuous delivery (CD) (10-15%) | 10-15 | - Describe the DevOps tools and processes
|
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.
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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.
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?
Correct Answer: B 🗳️
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?
Correct Answer: A 🗳️
Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).
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?
Correct Answer: B 🗳️
Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).
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.
Correct Answer: D,E 🗳️
Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).
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?
Correct Answer: C 🗳️
Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).
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