Free Practice Microsoft MB-820 Exam Questions 2026

Stay ahead with 100% Free Microsoft Certified Dynamics 365 Business Central Developer Associate MB-820 Dumps Practice Questions

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Total 314 Questions | Updated On: Feb 19, 2026

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Question 1

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 2

A developer is building a Business Central extension that needs to be available in both English and French. They want to ensure user interface elements and error messages display correctly in both languages.

Which two approaches can the developer use to manage this multilanguage development effectively?

A : Hardcode the translated user interface text directly into the AL code.

B : Store translated text resources in separate .txt files for each language.

C : Leverage the built-in translation capabilities within Business Central for user interface elements.

D : Utilize the Azure Cognitive Services Translator API for dynamic translation during runtime.

Answer: B,C

Question 3

You need to add a property to the Description and Comments fields with corresponding values for the control department manager.Which property should you add?

A : Description

B : Caption

C : ToolTip

D : InstructionalText

Answer: C

Question 4

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

Question 5

Retail wants to identify their top selling items for each customer group and region. You need to create a report that shows the top 10 items (ranked by quantity) along with their total sales amount for each combination of customer group and region.

Available Data Items:

Customer (Customer No., Customer Group, Region)

Sales Order Header (Sales Order No., Customer No., Order Date)

Sales Order Line (Sales Order No., Item No., Quantity, Unit Price)

Item (Item No., Description)

Which query design will effectively achieve this data breakdown and display the top items per combination?

A : Link Sales Order Header to Sales Order Line and Customer on their respective relationships, filter for the current year, use GROUP BY Customer Group, Region, and Item No., aggregate SUM(Quantity) and SUM(Quantity * Unit Price), and finally TOP 10 based on Quantity within each Group and Region.

B : Create separate queries for each customer group and region, rank items by quantity within each query, and then combine the results into a single report showing the top 10 items for each.

C : Use temporary tables to store intermediate data for each customer group and region, calculate rankings and total sales within the tables, and finally display the top 10 items from each table in a report.

D : Loop through all customer groups and regions in a codeunit, retrieve relevant sales data and rank items within each combination, and finally display the top 10 items in a report.

Answer: A

Page: 1 / 63

Total 314 Questions | Updated On: Feb 19, 2026

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