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Microsoft MB-820 Exam Syllabus Topics:

SectionObjectives
Develop by using AL- Business Central application structure
  • 1. Tables and pages
    • 2. Extensions and objects
      - AL language fundamentals
      • 1. Data types and variables
        • 2. Procedures and events
          Integrate solutions- Data integration
          • 1. APIs and web services
            • 2. Data import/export
              Deploy and maintain solutions- Deployment processes
              • 1. Environment management
                • 2. Extension packaging
                  Debug and optimize solutions- Troubleshooting
                  • 1. Error handling
                    • 2. Debugging tools
                      - Performance optimization
                      • 1. Code efficiency
                        • 2. Query optimization
                          Extend Dynamics 365 Business Central- Customization techniques
                          • 1. Event subscribers
                            • 2. Custom business logic
                              - Extension development
                              • 1. Table extensions
                                • 2. Page extensions

                                  >> Latest MB-820 Exam Tips <<

                                  Latest MB-820 Exam Tips - 100% Pass Quiz 2026 First-grade Microsoft MB-820: Microsoft Dynamics 365 Business Central Developer Cost Effective Dumps

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                                  Microsoft Dynamics 365 Business Central Developer Sample Questions (Q82-Q87):

                                  NEW QUESTION # 82
                                  You need to download a stored picture from the Room Incident page.
                                  How should you complete the code segment? To answer, select the appropriate options in the answer area.
                                  NOTE: Each correct selection is worth one point.
                                  F

                                  Answer:

                                  Explanation:

                                  Explanation:

                                  var
                                  TempBlob: Codeunit "Temp Blob";
                                  IncidentOutStream: OutStream;
                                  IncidentInStream: InStream;
                                  ImageFilter, FileName: Text;
                                  begin
                                  // Initialize the TempBlob and streams
                                  TempBlob.CreateOutStream(IncidentOutStream);
                                  Rec.Image.ExportStream(IncidentOutStream); // 'Rec' refers to the current Room Incident record TempBlob.CreateInStream(IncidentInStream);
                                  // Set the filters and filename for the image
                                  ImageFilter := 'Image Files (*.bmp,*.jpg,*.jpeg,*.gif)|*.bmp;*.jpg;*.jpeg;*.gif'; FileName := 'Customer Picture';
                                  // Prompt the user to download the image
                                  if not DownloadFromStream(IncidentInStream, '', 'Download Incident Picture', '', ImageFilter, FileName) then Error('Unable to download the image.'); end;


                                  NEW QUESTION # 83
                                  A company plans to optimize its permission sets.
                                  The company has the following permission sets:

                                  You need to provide the following implementation for a third permission set:
                                  * Create a new Permission Set C that is a composite of Permission Set A and Permission Set B.
                                  * Assign Permission Set C to a user.
                                  You need to ensure that the user has only read access to the Job table.
                                  Solution: Set the IncludedPermissionSets property to Permission Set A.
                                  Does the solution meet the goal?

                                  Answer: A


                                  NEW QUESTION # 84
                                  A company plans to change a field on the Resource Card page in a Base Application.
                                  You need to hide the field "Unit Price" from the Resource Card page.
                                  Which code snippet should you use?

                                  Answer: C

                                  Explanation:
                                  To hide the field "Unit Price" from the Resource Card page in Microsoft Dynamics 365 Business Central, you need to modify the visibility property of the field using the modify keyword, which allows you to change the properties of an existing field on a page.
                                  * modify("Unit Price") is the correct way to target an existing field on a page (like the Resource Card page).
                                  * The line Visible = false; makes the field invisible on the page.
                                  Here's a breakdown of why each option is right or wrong:
                                  * Option A:
                                  * Uses addlast("Unit Price"), which is incorrect because you are not adding a new field; you're modifying an existing one. Also, Visible = false is correct for hiding a field, but the wrong method (addlast) is used.
                                  * Option B:
                                  * Uses modify("Unit Price") with Enabled = false;. This would disable the field (make it non- editable), not hide it. The field would still be visible, so this does not meet the requirement.
                                  * Option C:
                                  * Uses addlast("Unit Price"), which is incorrect, and Enabled = false;, which would disable the field, not hide it.
                                  * Option D:
                                  * modify("Unit Price") { Visible = false; } is the correct syntax for hiding the field on the page.
                                  Correct Code Snippet:
                                  modify("Unit Price")
                                  {
                                  Visible = false;
                                  }
                                  This hides the "Unit Price" field from the Resource Card page.


                                  NEW QUESTION # 85
                                  You create the following Vendor table and Item table in Business Central.

                                  You require the following data set to assign vendors to items.

                                  You need to create a query to assign the vendors.

                                  Which three code blocks should you use to develop the solution? To answer, move the appropriate code blocks from the list of code blocks to the answer area and arrange them in the correct order.
                                  NOTE: More than one order of answer choices is correct. You will receive credit for any of the correct orders you select.

                                  Answer:

                                  Explanation:

                                  Explanation:
                                  To create a query that assigns vendors to items in Business Central, use the following code blocks in sequence:
                                  * dataitem(Vendor; Vendor)
                                  * dataitem(Item; Item)
                                  * DataItemLink = "Vendor No." = Item.Vendor_No;
                                  Creating a query:
                                  In Business Central, a query object is used to combine data from multiple tables. You start by specifying each table as a data item. In this case, you would start with the Vendor table and then the Item table. After specifying the data items, you need to link them together. The DataItemLink property is used to establish a relationship between two data items based on a common field. Here, you are linking the Vendor and Item tables on the "Vendor No." field, which is present in both tables. This link ensures that the query will return a dataset that includes related records from both tables based on the vendor number. The order of the code blocks ensures the logical flow and relationships between tables as required for the query.


                                  NEW QUESTION # 86
                                  You develop a test application.
                                  You must meet the following requirements:
                                  * Roll back changes to a test method after run time.
                                  * Run an approve action on a test page named TestPageA.
                                  You need to implement the given requirements on the test codeunit
                                  Which actions should you perform? To answer, select the appropriate options in the answer area NOTE: Each correct selection is worth one point.

                                  Answer:

                                  Explanation:

                                  Explanation:
                                  To roll back changes to a test method after run time, you should:
                                  * Set the TransactionModel attribute to AutoRollback .
                                  To run an approve action on a test page named TestPageA, you should:
                                  * Configure TestPageA.Approve.Invoke() .
                                  In Business Central ' s testing framework, the TransactionModel attribute can be set to AutoRollback . This ensures that any changes made during the test are rolled back after the test is complete, leaving the database in its original state.
                                  For running an action on a test page, you would use the ' Invoke ' method on the action you wish to perform.
                                  In this case, to run an approve action on TestPageA, you would use TestPageA.Approve.Invoke() within your test codeunit. This simulates the user action of approving something on the page.
                                  These actions ensure that the testing environment is properly set up to test specific functionalities without persisting test data and to invoke actions as part of the test scenarios.


                                  NEW QUESTION # 87
                                  ......

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