Microsoft MB-820 Exam Dumps

Get All Microsoft Dynamics 365 Business Central Developer Exam Questions with Validated Answers

MB-820 Pack
Vendor: Microsoft
Exam Code: MB-820
Exam Name: Microsoft Dynamics 365 Business Central Developer
Exam Questions: 122
Last Updated: August 23, 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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Free Microsoft MB-820 Exam Actual Questions

Question No. 1

You are developing an app that will be published to Microsoft AppSource.

The app requires code analyzers to enforce some rules. You plan to add the analyzers to the settings.json file.

You need to activate the analyzers for the project.

Which three code analyzers should you activate to develop the app for AppSource? Each correct answer presents part of the solution

NOTE: Each correct selection is worth one point.

Show Answer Hide Answer
Correct Answer: A, B, E

Question No. 2

A company plans to meet new regulatory requirements.

The regulator has issued new tax tiers.

You need to update the base application table by using a table extension.

Which table field property can you change?

Show Answer Hide Answer
Correct Answer: C

When updating the base application table using a table extension in Microsoft Dynamics 365 Business Central, certain properties of table fields can be modified to meet new requirements, such as regulatory changes. The DecimalPlaces property (B) is one such property that can be adjusted in a table extension. This property determines the number of decimal places that are displayed and stored for decimal fields in the table. Adjusting the DecimalPlaces property can be particularly useful when dealing with financial data and tax calculations that require precision to meet new tax tiers set by a regulator. It's important to note that not all properties can be modified in a table extension; for example, the CalcFormula property (A) cannot be changed as it affects how the field's value is calculated, which could have significant implications on the base application's logic.


Question No. 3

You need to access the RoomsAPI API from the canvas app.

What should you do?

Show Answer Hide Answer
Correct Answer: C

Question No. 4

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 set 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 on 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: Decorate the event subscriber used for inserting data in MyTable by entering (lnherentPermissions(PermissionOb]ectType:TableData. Database:MyTable. 'R')]

Does the solution meet the goal?

Show Answer Hide Answer
Correct Answer: B

Question No. 5

You are customizing Business Central by using Visual Studio Code. You create a project that will extend Business Central. The AL extension contains JSON files, which are automatically generated and are used to store configuration data

For testing purposes, you plan to add the following changes to the files:

* Specify that page 21 must be opened after publishing.

* Enable debugging

* Disable the capability to download the source code

You need to add the configurations to the JSON files.

Which two configurations should you add? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

Show Answer Hide Answer
Correct Answer: A, E

1. Requirement: Specify that page 21 (or 27) must be opened after publishing.

Solution: Option A.

Reasoning: The launch.json file controls the behavior of the debugger and the deployment process in Visual Studio Code. To determine which page opens automatically when you press F5 (publish and run), you configure the 'startupObjectId' property within launch.json.

Note: While the question mentions page 21 and the option lists 27, this is the only valid option for controlling the startup object. Option C is incorrect because app.json is the manifest file and does not control launch behavior.

2. Requirement: Enable debugging & Disable source code download.

Solution: Option E.

Reasoning: These settings relate to the Intellectual Property (IP) protection of your extension. This configuration belongs in the app.json file (the manifest), specifically under the 'resourceExposurePolicy' property.

To enable debugging, you set 'allowDebugging': true.

To disable downloading source, you set 'allowDownloadingSource': false.

Option B is incorrect because this policy does not belong in launch.json.

Option D is incorrect because it sets allowDownloadingSource to true, which contradicts the requirement to disable it.


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