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Microsoft MB-820 Exam Questions
- Microsoft Dynamics 365 Certifications
- Microsoft Dynamics 365 Business Central Developer Associate Certifications
Free Microsoft MB-820 Exam Actual Questions
Note: Premium Questions for MB-820 were last updated On Apr. 30, 2026 (see below)
A company has an on-premises Business Central instance named TEST The instance uses Windows authorization and a developer services port of 7149 Visual Studio Code is installed on the same server.
You create a new AL project but cannot download the symbols.
The launch json file contains the following code:
You need to download the symbols.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
You are working on an on-premises Business Central instance and unable to download symbols for a new AL project. The current configuration in launch.json does not allow you to download symbols, and you need to make corrections.
Key Points in the Scenario:
Instance name is TEST.
Developer services port is 7149.
Windows authentication is being used.
Correct Answers:
A . Change the server Instance parameter to TEST.
The serverInstance parameter must match the name of the Business Central instance, which is TEST in this scenario. You need to modify this to reflect the correct instance name.
B . Add the port: 7149 parameter.
Since the developer services are using port 7149, you need to specify this in the launch.json file by adding the port parameter with the value 7149.
Incorrect Options:
C . Change the name parameter to TEST: The name parameter is just a label and does not affect downloading symbols, so changing this won't help.
D . Change the authentication parameter to UserPassword: The authentication method is already set to Windows, which is valid for this scenario. Changing it to UserPassword is unnecessary unless specified by the system.
E . Check which server the instance is installed on and replace http://localhost with the correct IP address: Since the server is on the same machine as Visual Studio Code (as specified), localhost is correct.
You plan to write unit test functions to test newly developed functionality in an app.
You must create a test codeunit to write the functions.
You need to select the property to use for the test codeunit.
Which property should you use to ensure that the requirements are fulfilled?
When creating a test codeunit in Microsoft Dynamics 365 Business Central to write unit test functions, the SubType property (A) of the codeunit should be set to Test. This property is crucial for defining the codeunit's purpose and behavior within the application. By setting the SubType property to Test, you are indicating that the codeunit contains test functions intended to validate the functionality of other parts of the application, such as customizations or new developments. This distinction ensures that the testing framework within Business Central recognizes the codeunit as a container for test functions, allowing it to execute these functions in a testing context, which can include setting up test data, running the tests, and cleaning up after the tests have completed.
A company has extended Business Central.
You plan to submit the extension to AppSource.
You need to ensure that an application meets the technical requirements before submitting it for validation.
Which three actions should you perform? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
B. Include extension translation files with the submission.
AppSource submissions require that the extension be localized to different languages, and including translation files is part of the requirement.
C. Ensure the app file is digitally signed.
Digitally signing the app file is a security requirement for AppSource submissions to ensure the integrity and authenticity of the app.
E. Use data classification on all tables and extension fields.
Microsoft requires that all data, especially personal data, be classified using the data classification feature to comply with GDPR and other data privacy regulations.
A company plans to set up a local Business Central Development Docker container. The environment will be used for testing new project ideas.
You need to ensure that the most recent Business Central artifact URL has been selected. Which command should you use?
To ensure the most recent Business Central artifact URL is selected for setting up a local Business Central Development Docker container, the command to use is Get-BcArtifactUrl -type sandbox -select Current (A). This PowerShell command retrieves the URL for the latest available Business Central artifact for a sandbox environment, ensuring that the Docker container is set up with the most up-to-date version for testing new project ideas. The -select Current parameter is crucial as it specifies that the current, or latest, version of the artifact is to be retrieved, as opposed to selecting a version based on other criteria such as Closest, NextMinor, or NextMajor.
You ate creating a test codeumt for a company that uses Business Central. The company requites the following list of choices while posting a sales order:
* Ship
* Invoice
* Ship & Invoice
You must create a test codeunit that automatically selects one of these options. You need to create the test codeunit Which handler should you use?
StrMenuHandler is used to simulate the selection of an option from a string-based menu, such as the 'Ship,' 'Invoice,' or 'Ship & Invoice' options when posting a sales order. This handler allows you to programmatically select an option during automated testing.
Other handlers, such as SessionSettingsHandler or SendNotificationHandler, do not simulate the selection of menu choices, which is specifically required in this scenario.
For more details on StrMenuHandler and how it simulates user interaction with menu choices, refer to the Test Handlers in Business Central.
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