100% Free Microsoft MB-820 Practice Exam Questions Online 2026

Question 1

You're creating an AL extension in Dynamics 365 Business Central to automate processing customer orders received as XML files. The extension needs to import the order data, create corresponding sales orders in Business Central, and send an acknowledgement message back to the sender.

How would you utilize XMLports within the AL code to achieve this functionality? (Choose two)

A : Use the XMLPort.CreateInstance function to load the relevant XMLport for importing customer orders.

B : Implement custom parsing logic within the AL code to directly read and interpret the XML data without using XMLports.

C : Call the XMLPort.Run function with the imported XML data and target XMLport for order creation.

D : Trigger the existing "Customer Order Import" XMLport through events or code actions within your extension.

E : Send the acknowledgement message using the SMTPMail function in AL, including relevant order details.

Answer: A,C

Question 2

Tailwind Traders wants to integrate an assisted setup experience during their initial Dynamics 365 Business Central implementation. They need to guide administrators through essential configuration steps like company information, chart of accounts, and security settings.

What integration option within assisted setup best facilitates this scenario?

Choices:

A : Leverage the Assisted Setup Wizard with custom extensions.

B : Develop custom Welcome Pages with interactive setup elements.

C : Utilize the Pre-Configuration Package feature for pre-populated data.

D : Implement a custom onboarding workflow within Business Central.

Answer: A

Question 3

ABC Company uses Dynamics 365 Business Central to manage their purchasing activities. You, as a developer, are tasked with creating a query that retrieves all open purchase orders due within the next 30 days.

Available Data Items:

Purchase Order Header (Purchase Order No., Due Date, Status)

Purchase Order Line (Purchase Order No., Item No., Quantity)

Which filter criteria should be applied in the query to achieve the desired result?

A : Filter on Purchase Order Header."Status" equal to "Open" and Purchase Order Header."Due Date" less than or equal to the current date + 30 days.

B : Filter on Purchase Order Line."Quantity" greater than 0 and Purchase Order Line."Due Date" less than or equal to the current date + 30 days.

C : Filter on Purchase Order Header."Status" equal to "Open" and create a calculated field in Purchase Order Header to calculate the remaining days until due date, then filter on this field less than or equal to 30.

D : Use a temporary table to store all open purchase orders and then filter the temporary table on "Due Date" less than or equal to the current date + 30 days.

Answer: A

Question 4

You are developing an extension for Dynamics 365 Business Central that manages complex inventory adjustments. To gain insights into the usage and performance of this extension, you want to track how frequently specific adjustment types are used. Which method would you use to create a custom telemetry signal for this purpose?

A : Extend the existing Inventory Adjustment table with new fields for tracking usage statistics.

B : Create a custom AL function that logs usage data to a text file.

C : Develop a custom event in the AL language that triggers when specific adjustment types are used.

D : Leverage the built-in performance counters in Dynamics 365 for inventory adjustments.

Answer: C

Question 5

The developer has completed their multilanguage extension and deployed it to a non-production environment. Users report that some translated strings appear truncated or misformatted when displayed in the user interface.

How can the developer diagnose and fix these translation issues effectively?

A : Use the Business Central debugger to step through the code and analyze the translation function calls.

B : Enable detailed tracing for the extension and review the generated trace logs for translation errors.

C : Analyze the translated resource files directly for formatting inconsistencies or invalid characters.

D : Contact Microsoft support for assistance with troubleshooting multilanguage functionality in extensions.

Answer: C

Free Microsoft MB-820 Practice Exam Questions and Answers 2026