Free Microsoft MB-820 Exam Questions

Question 1

You have developed several test procedures to verify the custom discount logic in your extension. However, one of the tests fails without a clear error message.

Objective: Identify the source of the test failure using debugging techniques.

Which of the following approaches is the most efficient for debugging the failing test procedure in Business Central?

A : Review the test code for syntax errors or logical mistakes.

B : Print intermediate values within the test procedure to analyze data flow.

C : Set a breakpoint at the beginning of the test procedure to step through the code line by line.

D : Use the "Test Log Viewer" to analyze the test execution history and identify any failed assertions.

Answer: C

Question 2

You're developing an XMLport in Dynamics 365 Business Central to export sales invoices to a third-party accounting system. The exported data should include invoice headers, lines, and related customer information.

Which XMLport properties are crucial for configuring this data exchange? (Choose three)

A : Export File Name:

B : Record Selection Filter:

C : Element Mapping:

D : Schema Location:

E : Export Trigger:

Answer: B,E

Question 3

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.

A : Use the OnBeforeCompanyOpen event for improved sign in time

B : Include extension translation files with the submission.

C : Ensure the app file is digitally signed

D : Code all date fields in the mm-dd-yyyy format

E : Use data classification on all tables and extension fields.

Answer: B,C,E

Question 4

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.

A : Use the OnBeforeCompanyOpen event for improved sign in time

B : Include extension translation files with the submission.

C : Ensure the app file is digitally signed

D : Code all date fields in the mm-dd-yyyy format

E : Use data classification on all tables and extension fields.

Answer: B,C,E

Question 5

The inventory management system also sends updates to product descriptions in JSON format. You need to update the corresponding records in Business Central based on the received data. How can you efficiently map the JSON data to the relevant fields in Business Central objects?

A : Use a loop and manually assign values based on property names.

B : Create a custom AL function for parsing and mapping each JSON response.

C : Leverage the JSON.Map function to automatically match properties with field names.

D : Utilize the WebServices.Serialize function to convert JSON to XML for update.

Answer: C