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| Vendor: | Microsoft |
|---|---|
| Exam Code: | MB-820 |
| Exam Name: | Microsoft Dynamics 365 Business Central Developer |
| Exam Questions: | 122 |
| Last Updated: | October 5, 2026 |
| Related Certifications: | Microsoft Dynamics 365, Dynamics 365 Business Central Developer Associate |
| Exam Tags: | Microsoft Dynamics 365 certifications, Business applications certifications Intermediate Level Dynamics 365 Business AnalystsDynamics 365 Solution Architects |
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You need to determine why the extension does not appear in the tenant.
What are two possible reasons for the disappearance? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
In the context of Microsoft Dynamics 365 Business Central, an extension may not appear in the tenant for several reasons, particularly after an upgrade to a new major version.
Option A suggests that the extension was published as a DEV extension, which typically would not cause it to disappear after an upgrade because DEV extensions are intended for development and testing within sandbox environments.
Option B indicates that the extension was not compatible with the new version within 60 days of the first notification. This is a likely reason because Microsoft enforces compatibility rules, and extensions that are not made compatible within the specified timeframe might be removed or disabled.
Option C refers to the extension being published as a PTE (Per-Tenant Extension) and mentions the Platform parameter not being updated. This could cause issues, but not specifically the disappearance of the extension after an upgrade.
Option D expands on Option C by adding that both the Platform and Runtime parameters were not updated in the application file. This is a critical aspect because if these parameters are not correctly set to indicate compatibility with the new version of Business Central, the extension could be disabled or removed.
Option E is similar to Option B but mentions a 90-day period. This option does not align with standard Business Central practices for version compatibility requirements.
Therefore, the two possible reasons for the disappearance of the extension in the tenant after an upgrade are that the extension was not compatible with the new version within the required timeframe (Option B) and that the extension was published as a PTE without the Platform and Runtime parameters being updated (Option D).
You are developing an app.
You plan to publish the app to Microsoft AppSource.
You need to assign an object range for the app.
Which object range should you use?
When developing an app for Microsoft AppSource, it is essential to use an object range that is specifically designated by Microsoft to avoid conflicts with other apps and the base application. The correct object range to use is:
An object range within the range of 70000000 to 74999999 that is requested from Microsoft (D): This range is reserved for AppSource apps. Developers need to request this range from Microsoft to ensure that the objects used in their extension do not conflict with those used by other extensions or by the base application. Using this reserved range helps maintain the integrity and compatibility of extensions published on AppSource.
It's important to note that the other ranges mentioned (A, B, C, and E) are not suitable for apps intended for AppSource. Ranges 50000 to 59999 and 50000 to 99999 are typically reserved for per-tenant customizations or partner solutions, not for distribution on AppSource. The standard range 1 to 49999 is reserved for the base application objects, and using an object range divided by countries (C) is not a standard practice for AppSource apps.
You need to evaluate the version values of the Quality Control extension to decide how the quality department must update it.
Which two values can you obtain in the evaluation? Each correct answer presents part of the solution. Choose two.
NOTE: Each correct selection is worth one point.
You need to define the tables used for the non-conformity entity.
What should you use?
Table Structure in Business Central: When creating entities such as 'non-conformity' entities in Business Central, you use document tables to represent entities that have a header and line structure. In this case, the non-conformity entity has:
A header with common information (Non-conformity Number, Date, Vendor No., etc.).
One or more lines representing the detailed information for each non-conforming item.
Document Table Usage:
Document Table: A document table is the correct table type for scenarios where you have a header (with general information like vendor details) and lines (with detailed, item-specific information).
Document tables are typically used for entities such as Sales Orders, Purchase Orders, or any other transactional data where you have both header and line information.
Supplemental Table (Option C):
Supplemental tables are usually used to add supplementary information to existing data in Business Central. In this case, we need to store detailed line information, which is a core part of the entity rather than supplementary data, so a supplemental table would not be appropriate here.
Document History Table (Option A):
Document history tables are used to track changes and historical data for entities but are not suitable for the main introduction of the entity and its lines. This option is also not appropriate.
Reference Documentation:
Introduction to Business Central Tables
Document Tables in Business Central
You have a custom app.
A warning for the rule code named AA0XYZ appears in multiple app objects.
You need to change the severity of the rule from Warning to Info for only the current app.
Which three actions should you perform? Each correct answer presents part of the solution. (Choose three.)
NOTE: Each correct selection is worth one point.
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