MB-820 Practice Test Questions - Microsoft Dynamics 365 Business Central Developer

  Edina  03-06-2024

The MB-820 Microsoft Dynamics 365 Business Central Developer exam is designed to lead candidates towards the Microsoft Certified: Dynamics 365 Business Central Developer Associate certification. As a tool to aid your success, PassQuestion offers the most recent MB-820 Practice Test Questions that are carefully crafted to cover all the real exam content, providing you with vital resources to understand, prepare for, and ultimately pass the exam. With the help of PassQuestion MB-820 Practice Test Questions, you can be confident in your ability to pass this challenging certification exam. Therefore, you can rest assured that with PassQuestion MB-820 Practice Test Questions, you are gaining all the necessary tools to pass the upcoming Microsoft MB-820 certification exam on your first attempt.

Exam MB-820: Microsoft Dynamics 365 Business Central Developer

As a Microsoft Dynamics 365 Business Central developer, you're responsible for designing, developing, testing, and maintaining solutions based on Dynamics 365 Business Central. In this role, you develop apps that extend Business Central, including customizing or adding extra functionality. You also integrate Business Central with other applications, such as Microsoft Power Platform products. Plus, you need to ensure that data remains current during an upgrade process.

As a Business Central developer, you’re responsible for troubleshooting and debugging issues in the system. This may involve:

  • Identifying the root cause of a problem.
  • Fixing bugs.
  • Testing the solution to ensure that it works as expected.

You may be required to optimize the performance of the system by:

  • Identifying bottlenecks.
  • Improving code quality.
  • You must have applied knowledge of Business Central and the application language (AL), the development environment, and other tools to develop extensions for it. You need some knowledge of how to install and upgrade the system. You should also understand:
  • Industry terminology.
  • The Business Central role in relationship to Microsoft 365 and Dynamics 365.

As a developer, you should have knowledge of:

  • AppSource, Business Central–related technologies, frameworks, and services to build solutions.
  • Technologies for application lifecycle management (ALM), including source control management (SCM) and continuous integration and continuous delivery (CI/CD).

Exam Objectives

Describe Business Central (10–15%)

Describe the Business Central architecture

  • Describe the components and capabilities of Business Central
  • Describe the core solution and extensions approach for Business Central
  • Describe the update lifecycle for customizations of Business Central
  • Differentiate Business Central Online and Business Central on-premises features

Describe Business Central apps

  • Differentiate between the base app and the system app
  • Describe the functionality of apps
  • Describe the process of bringing an app to AppSource

Install, develop, and deploy for Business Central (10–15%)

Install and configure a Business Central development environment

  • Describe the development environment for Business Central
  • Install and configure the development environment
  • Manage JSON configuration files
  • Manage multiple AL extensions in one workspace

Create, debug, and deploy an extension in Business Central

  • Debug an extension with Visual Studio Code
  • Deploy an extension
  • Create or modify a Business Central extension in Visual Studio Code
  • Manage multilanguage development
  • Maintain extensions

Develop by using AL objects (35–40%)

Build and extend tables and pages in Business Central

  • Develop Role Center pages
  • Identify different page types
  • Build and extend page objects
  • Build and extend tables
  • Build and extend enums

Build and extend reports

  • Substitute a report
  • Create a report layout
  • Create document reports
  • Design the data model of a report
  • Implement multilanguage in reports
  • Use report triggers, functions, and processing-only reports
  • Develop the report request page

Design and create an XMLport

  • Configure different XMLport properties
  • Define nodes and their properties
  • Use XMLports in AL code

Develop codeunits

  • Create and access codeunits
  • Use events and triggers
  • Implement interfaces
  • Create installation and upgrade codeunits

Work with entitlement and permission set objects

  • Create and extend permission sets
  • Override entitlements with inherent permissions
  • Troubleshoot permission sets

Create queries in Business Central

  • Link and join data items
  • Apply filters in query objects
  • Use queries instead of record variables
  • Aggregate data in query objects
  • Use a query to create a report

Develop by using AL (15–20%)

Customize the UI experience and implement onboarding techniques

  • Create profiles in AL
  • Use and create views in AL
  • Develop the UI by using the user assistance model
  • Integrate assisted setup
  • Create teaching tips and in-app tours to onboard users
  • Create an onboarding checklist

Describe the essential development standards

  • Implement the data process model in Business Central
  • Define the different functional table types and characteristics
  • Use document standards in Business Central
  • Implement master data standards and design patterns

Use AL to extend Business Central

  • Create custom procedures
  • Differentiate data types
  • Manage files
  • Manipulate data by using code
  • Describe the basics of the AL
  • Use the different types of expressions
  • Work with AL built-in functions and AL statements
  • Work with variables and define them in AL code
  • Manage errors
  • Use access modifiers to limit access

Work with development tools (10–15%)

Implement semi-automated test processes and run standard Business Central tests

  • Test applications in Business Central
  • Install and run the Test Toolkit
  • Develop test codeunits and procedures

Manage and analyze telemetry

  • Monitor and analyze telemetry
  • Configure telemetry
  • Create custom telemetry signals

Integrate Business Central with other applications (10–15%)

Access Representational State Transfer (REST) services from within Business Central

  • Use the different HTTP classes and their functions
  • Get data from and send data to an external REST service
  • Use and read JSON

Implement APIs

  • Create and work with APIs
  • Manage UI interaction when working with web services
  • Use Read-Scale Out to improve performance

View Online Microsoft Dynamics 365 Business Central Developer MB-820 Free Questions

1. A company uses Business Central.
The company plans to use a translation file in an extension. The extension has a caption that should not be translated.
You need to prevent the caption from being translated.
What should you do?
A.Use the CaptionML property and copy the same caption for each language used.
B.Set the GenerateLockedTranslations feature in the appjson file.
C.Add the Locked = true parameter to the Caption.
D.Delete the Caption property.
E.Copy the same caption for each language in the translation file.
Answer: C

2. 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?
A.Get-BcArtifactUrl -type sandbox -select Current
B.Get-BcArtifactUrl -type sandbox -select Closest
C.Get-BcArtifactUrl -type sandbox -select NextMinor
D.Get-BcArtifactUrl -type sandbox -select NextMajor
Answer: A

3. A company has a Business Central online environment.
You need to create an HTTP GET request that connects to an external REST service.
Which solution should you use?
A.HttpContent data type variable
B.Codeunit 1299 'Web Request Helper'
C.Codeunit S459 'JSON Management'
D.Codeunit 1297 'Http Web Request Mgt''
E.HttpClient data type variable
Answer: E

4. You need to define the data types for the fields of the N on-conformity table.
Which two data types should you use? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
A.Integer for the N on-conformity Number field
B.Date Time for the Non-Conformity Date field
C.Char for the Non-Conformity Number field
D.Date for the Non-Conformity Date field
E.Code for the Non-Conformity Number field
Answer: D, E

5. You need to allow debugging in an extension to view the source code. In which file should you specify the value of the allowDebugging property?
Answer: C

6. A company plans to meet new regulatory requirements.
The regulator has issued new tax tiers.
You need to update the base application table by using a table extension.
Which table field property can you change?
A. CalcFormula
B. DecimalPlaces
C. BlankZero
D. AutoFormatType
Answer: B

7. A company has a Business Central online environment.
You are exporting a file from a client by using the DownloadFromStream method.
You need to create an InStream data type to send the data
Which solution should you use?
A. Use OeatelnStream method from codeunit "Temp Blob".
B. Use OeatelnStream method for BLOB field of "TempBlob" table.
C. Use CreatelnStream method for File type variable.
Answer: A

8. You create a page with the PageType property set to RoleCenter.
You navigate through the different sections of the page.
You need to add functionalities to the page.
What should you do?
A. Define actions in the area (reporting) before actions in the area (creation).
B. Define the navigation menu in the area(processing).
C. Define the navigation bar in the area (embedding).
D. Add a source table on the Role Center page.
Answer: A

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