A developer is debugging an extension that uses a background codeunit. The developer wants to see the values of local variables when the codeunit runs. The developer has set breakpoints in the codeunit. What should the developer do to inspect the variable values?

Enable the 'Show variable values' option in the launch.json file.

Use the Watch window and add the variables to it before running the code.

Use the Debugger in Visual Studio Code and the Locals window to view the variable values when the breakpoint is hit.

Add temporary Message statements to the code to output the variable values.

A developer has an existing extension that is installed in production. The developer needs to add a new table and modify an existing page. The developer wants to ensure that the update does not break existing data. What should the developer do?

Uninstall the existing extension, then install the new version with the table and page changes.

Create a new table and modify the page in the same extension, then publish the update with a version increment.

Modify the existing extension source code and publish it without incrementing the version.

Create a new extension that adds the table and modifies the page, and install it alongside the existing extension.

What is the purpose of the 'Caption' property in AL objects like pages and tables?

To define a user-facing label that can be localized

To specify the technical name of the object

To set the object's permissions

To define the data type of a field

A developer needs to create a new extension for a Business Central sandbox. The developer has Visual Studio Code installed but no AL project yet. The developer wants to use the standard project structure and launch configuration that matches the sandbox. What should the developer do first?

Run the Publish extension command to generate a new project from the sandbox.

Use the AL: Go! command and select the sandbox configuration.

Download the sandbox symbols from the web client and import them into Visual Studio Code.

Create a new folder and manually add app.json and launch.json files.

Microsoft Certified:Dynamics 365 Business Central Developer Associate

Domain 2Objective 2

Create, Debug, and Deploy an Extension in Business Central MB-820 Practice Questions (Page 2)

Part of the Install, develop, and deploy for Business Central domain, which accounts for 10–15% of the MB-820 exam. Microsoft does not publish an official question count, but from its 100-minute exam (~40–65 total, ~4–10 in this domain), expect 2–5 from this objective — we provide 33 practice questions to prepare you well beyond it. (estimate)

33questions here

7free pages

7concepts

10–15%of the exam

Questions 6–10

6foundation · easy
Which file in a Business Central extension is used to store translated strings for multiple languages?
Select an answer first
7application · medium
A developer is debugging an extension that uses a background codeunit. The developer wants to see the values of local variables when the codeunit runs. The developer has set breakpoints in the codeunit. What should the developer do to inspect the variable values?
Select an answer first
8expert · hard
A developer has an existing extension that is installed in production. The developer needs to add a new table and modify an existing page. The developer wants to ensure that the update does not break existing data. What should the developer do?
Select an answer first
9foundation · easy
What is the purpose of the 'Caption' property in AL objects like pages and tables?
Select an answer first
10application · medium
A developer needs to create a new extension for a Business Central sandbox. The developer has Visual Studio Code installed but no AL project yet. The developer wants to use the standard project structure and launch configuration that matches the sandbox. What should the developer do first?
Select an answer first

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