Microsoft Dynamics 365 Business Central Developer - MB-820 Exam Practice Test
You need to create the access modifier for IssueTotal.
Which variable declaration should you use?
Which variable declaration should you use?
Correct Answer: C
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You create a 'Contoso Post" procedure to send an http POST request in JSON format. You publish the procedure to your environment.
You write the following procedure code:
The procedure does not work as expected.
You need to find and fix all errors in HTTP class usage.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
You write the following procedure code:
The procedure does not work as expected.
You need to find and fix all errors in HTTP class usage.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Correct Answer:
Explanation:
Statements:
* Replace line 16 with ResponseText := ResponseMessage
* answer: NoThe correct way to handle the response is to use ReadAs or similar methods to read the content from the response, not just assign the ResponseMessage directly to ResponseText.
Hence, this statement is incorrect.
* In line 13, change the 'text/plain' value to 'application/json'
* answer: YesSince the procedure is expected to send a POST request with JSON content, changing the content type to 'application/json' is correct. This ensures that the server understands the content is in JSON format.
* Replace line 14 with Client.DefaultRequestHeaders.Add('Authorization', 'Bearer ' + Token);
* answer: NoIn AL, the authorization headers are managed through HttpHeaders, and the Client.
DefaultRequestHeaders method is not available in AL. Therefore, this statement is incorrect.
* In line 10, replace WriteFrom with ReadAs
* answer: NoWriteFrom is the correct method for sending the request content, as it writes data from the RequestText variable to the HttpContent. ReadAs is used for reading the response, not for writing the request content.
You need to handle the removal of the Description field and the Clone procedure without breaking other extensions.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions 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.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions 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.
Correct Answer:
Explanation:
In Business Central, when you need to handle the removal of fields and procedures to ensure that other extensions are not affected by these changes, you typically follow a two-step deprecation process. This allows other developers and users to adapt to the changes before they are fully enforced. Here are the steps to handle the removal:
* Mark as Obsolete: In the first version where the decision to remove the field or procedure is made, you set the ObsoleteState to Pending and provide an ObsoleteReason. This doesn't remove the feature but indicates to users and developers that it will be removed in the future. This step is crucial for backward compatibility.
* Removal: In a subsequent version, after users have had time to adapt to the deprecation warning, you can then remove the field or procedure or set the ObsoleteState to Removed.
Based on these guidelines, here are the three actions you should perform in sequence:
* Set the Description field as ObsoleteState = Pending and ObsoleteReason = 'Not in use' in version
2.0.0.0.
* Set the Clone procedure as ObsoleteState = Pending and ObsoleteReason = 'Not in use' in version
2.0.0.0.
* Remove the Description field from the Issue table in version 2.0.0.1.
These steps will ensure that anyone using the Description field or Clone procedure will receive a warning about the pending deprecation before it is actually removed, thereby minimizing the impact on other extensions and providing a clear path for migration.
When handling the removal of fields and procedures in Microsoft Dynamics 365 Business Central, the process should be carried out in a way that allows other extensions or dependent features to adapt to the changes without causing immediate failures.
* Set Obsolete State and Reason for Description Field (Version 2.0.0.0): The first step involves marking the Description field as obsolete by setting the ObsoleteState to 'Pending'. This is a non-breaking change, signaling to other developers and users that the field is planned for removal in a future version.
An ObsoleteReason should also be provided to explain why the field is being deprecated.
* Set Obsolete State and Reason for Clone Procedure (Version 2.0.0.0): Similarly, the Clone procedure should be marked as obsolete with the ObsoleteState set to 'Pending'. This indicates that the procedure is no longer in use and will be removed in the future. Providing an ObsoleteReason is best practice as it explains the rationale behind the decision.
* Remove the Description Field (Version 2.0.0.1): In the subsequent version, after the developers and users have been given time to adapt to the deprecation notice, the Description field can be safely removed from the Issue table. This is considered a breaking change, hence it is done after the field has been marked as obsolete in a previous version.
The reason for not removing the Description field and Clone procedure immediately in version 2.0.0.0 is to avoid causing runtime errors for any extensions or integrations that may depend on these components. By following this sequence, you provide a clear deprecation path that helps maintain the stability of the overall system while evolving the schema.
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?
Correct Answer: D
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Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result these questions will not appear in the review screen.
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 Included Permission Sets property to Permission Set B and the Excluded PermissionSets property to Permission Set A.
Does the solution meet the goal?
After you answer a question in this section, you will NOT be able to return to it. As a result these questions will not appear in the review screen.
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 Included Permission Sets property to Permission Set B and the Excluded PermissionSets property to Permission Set A.
Does the solution meet the goal?
Correct Answer: A
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A company has an on-premises Business Central instance named TEST The instance uses Windows authorization and a developer services port of 7149 Visual Studio Code is installed on the same server.
You create a new AL project but cannot download the symbols.
The launch json file contains the following code:
You need to download the symbols.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
You create a new AL project but cannot download the symbols.
The launch json file contains the following code:
You need to download the symbols.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Correct Answer: B,D
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