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| Section | Weight | Objectives |
|---|---|---|
| Develop by using AL objects | 35–40% | - Create pages and reports
|
| Install, develop, and deploy for Business Central | 10–15% | - Build and deploy extensions
|
| Develop by using AL | 15–20% | - Data manipulation and validation - AL syntax and programming concepts - Performance optimization - Error handling and logging - Security and permissions |
| Integrate Business Central with other applications | 10–15% | - Use APIs and web services - Authentication and security for integration - External data connections - Power Platform integration |
| Describe Business Central | 10–15% | - Describe solution and extension approach - Describe components and capabilities - Differentiate online and on-premises features - Describe Business Central apps
- Describe Business Central architecture |
| Work with development tools | 10–15% | - Visual Studio Code for AL development - Source control integration - Telemetry and diagnostics - AL Language extension |
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NEW QUESTION # 70
You need to create the access modifier for IssueTotal.
Which variable declaration should you use?
Answer: D
Explanation:
In Business Central development using AL (the language for Business Central extensions), the use of access modifiers defines how variables and procedures are accessed within and outside of an object or codeunit.
* Access Modifiers in AL:
* Public: A public variable can be accessed from any object or codeunit within the same module or extension.
* Protected: This restricts access to the current object and objects that inherit from the current object. However, in AL (at least in versions used for Business Central), the Protected access modifier is used with methods but not variables.
* Internal: This modifier restricts the visibility to the current extension. This means that variables or methods declared as internal can only be accessed from within the same extension. This is appropriate when you want to provide functionality that is shared within the extension but not exposed externally.
* Local: This restricts the variable or method to the current object or method where it is declared. It cannot be accessed from anywhere else, even within the same extension.
* Scenario Justification:
* In the scenario for Contoso, Ltd., IssueTotal is a global variable in the ISSUE BASE extension, and the ISSUE EXT extension needs to access it. Therefore, the variable cannot be declared as Local, because this would restrict access to just the current object (or method).
* Using Public would expose the variable outside of the extension, which is unnecessary because you only want other parts of the extension (specifically the ISSUE EXT extension) to have access.
* The best choice in this case is Internal because it restricts access to the variable to within the same extension, which includes the base extension and any dependent extensions like ISSUE EXT. It strikes the right balance between visibility and encapsulation.
Microsoft Dynamics 365 Business Central Developer References:
* Access Modifiers in AL: Microsoft's documentation on AL provides the details on access modifiers, where it is specified that internal variables can be accessed within the extension, and the public variable is accessible across all extensions#source: Microsoft Learn on AL Programming#.
* Best Practices for AL Development: Business Central development best practices suggest keeping variables internal unless they need to be accessed outside of the current extension#source: Microsoft Learn on AL development guidelines#.
Topic 1, Contoso, Ltd. Contoso, Ltd. Is a sales company in the
manufacturing industry. It has subsidiaries in multiple countries
/regions, each with its own localization. The subsidiaries must be
data-independent from each other. Contoso. Ltd. uses an external
business partner to manage the subcontracting of some
manufacturing items. Contoso. Ltd. has different sectors with data
security between sectors required.
Contoso, Ltd. uses Business Central online as the main ERP for financial. sales, purchase, warehouse, and manufacturing processes. It has employees that use the Business Central web application and external applications. The company has a custom external mobile app under development The IT department and its partners installed custom extensions to satisfy the company's requirements where the functionality is not available natively.
Contoso. Ltd. interacts with external services provided by customers and partners. Different applications interact with SOAP and OData endpoints exposed from Business Central.
An external business partner of Contoso, Ltd exposed a REST API for receiving details about new subcontracting orders and for sending the planned release date of each subcontracting order received.
Contoso. Ltd. has not activated the monitoring of the tenant and has no internal telemetry for its apps.
Custom reporting must be created to meet the requirements of the different departments.
Contoso, Ltd. has the following tenant management considerations:
IT department
* The IT department requires the ability to monitor the tenant to prevent performance problems and detect possible anomalies.
* The IT department plans to use Azure Application Insights and Log Analytics to inspect the ingested telemetry signals.
* All tenant upgrades are automatically handled by Microsoft. The IT department does not check for update availability or for tenant-related notifications.
* The IT department has not configured the receipt of tenant-related notifications from the Business Central admin center.
External business partner
* The external business partner must add custom telemetry to an application created for Contoso. Ltd. to monitor a business process.
* Custom telemetry signals for the application must be visible only on the partner's telemetry.
SOAP
* Contoso, Ltd. plans to dismiss using the SOAP protocol for integrations.
* Contoso, Ltd. must be able to detect if external applications are using its Business Central SOAP endpoints.
Issue
The Business Central tenant is upgraded by Microsoft to a new major version during the night.
Users report that one of the Contoso. ltd. extensions disappeared from the tenant The IT department confirms that the extension is still published.
Contoso. Ltd. plans to create a custom mobile application that has the following requirements:
* The app must be used by employees to check item details from the ERP in real time and to report issues that occur during the manufacturing process.
* An AL extension must be created for handling archived issues.
* Business Central development guidelines must be followed when implementing modules.
* A module must be implemented for the reporting and tracking of issues information. You plan to call this module Issue Management The module must expose a method nan Postlude.
* Code modifications will be required over time.
* The Issue Management process must be split into two extensions:
o ISSUE BASE: main extension
o ISSUE EXT: second extension with dependency from ISSUE BASE
* In the version 1.0.0.0 of the ISSUE BASE extension, you plan to create an Issue table that contains a global Decimal variable named Issue Total.
* In the version 1.0.0.0 of the ISSUE BASE extension, you plan to define a table named Issue Category with a Description field defined as follows:
field (2; Description; Text[SG])
{
DataClassificstion * CustoaerContent;
>
* The Issue table defined in ISSUE BASE extension contains a Clone procedure defined as follows:
procedure Corte () begin end;
* In the ISSUE EXT extension, you create a table extension object of the Issue table.
* The table extension object of the Issue table must access the Issue Total: Decimal variable.
After weeks of usage, you discover that you must remove the Description field and the Clone procedure because they are no longer required.
In a new version of the ISSUE BASE extension, you create a new Issue Type table. You must move data row by row from a previously obsolete Issue Category table to the new Issue Type table. Because a large amount of data must be moved, you must write an Upgrade codeunit by using the DataTransfer object.
The IT department creates a custom API for exposing the custom Issue table. The API provides an action for copying an issue to a new table. The action is defined as follows:
(Service Enabled]
procedure Copy (vary action Context: WebServiceActionContext)
begin
end;
Contoso, Ltd. must create an API in Business Central to expose item details to the mobile application.
* The API must have the lowest possible impact on the production environment when used during working hours.
* The API must only support Get operations.
A user of the ISSUE BASE extension in Business Central reports a problem.
To debug the problem, snapshot debugging with the following configuration was activated:
You discover that the debugging is not triggering.
Contoso, Ltd. must connect Business Central to the external API provided by the business partner. This will be used for the partner to send the details of new subcontracting orders to fulfill the sales demand, and for receiving the planned release date of each order sent. The integration requirements are as follows:
* The business partner will provide a REST API secured with basic authentication. Credentials to access the API will be shared with Contoso, ltd.
* The API for sending subcontracting orders must be called by sending an authenticated POST request to the given endpoint.
* The API for retrieving the order no. and planned release date of each subcontracting order responds with the following JSON:
Each order no. must be retrieved.
NEW QUESTION # 71
You need to define the XML file properties for the accounting department.
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.
Answer:
Explanation:
NEW QUESTION # 72
You are cleaning up sandbox environments for a company.
The company requires data to be cleared from the environments each time an extension is published.
You need to configure the launch.json file.
Which schemaUpdateMode property should you set?
Answer: C
Explanation:
In the context of cleaning up sandbox environments for a company where data needs to be cleared each time an extension is published, the schemaUpdateMode property in the launch.json file should be set to Recreate (D). Setting this property to Recreate ensures that every time the extension is published, the existing tables and data are dropped, and then the tables are recreated based on the current extension's schema. This mode is particularly useful in development and testing environments where you need a clean slate for testing each version of the extension without the remnants of previous data affecting the outcomes. It's important to use this setting cautiously, as it results in the loss of all existing data in the tables defined by the extension, which is suitable for a sandbox environment but not for production environments.
NEW QUESTION # 73
A company has the following custom permission set:
You need to make the permission set visible on the Permission Sets page.
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.
Answer:
Explanation:
Explanation:
To make the permission set visible on the Permission Sets page, perform the following actions in sequence:
* Change the Assignable property value to true.
* Add the ObsoleteState = No property.
* Publish the app with the permission set to an environment.
Process for making permission sets visible:In Business Central, the Assignable property determines whether a permission set is shown in the user interface for assigning to users. By default, if Assignable is set to false, the permission set is hidden. Therefore, it should be set to true to make the permission set visible.
The ObsoleteState property indicates whether an object is outdated (Obsolete) or not (No). If an object is marked as obsolete, it is typically hidden from the user interface. Therefore, setting ObsoleteState = No ensures that the permission set is not treated as outdated and remains visible.
Finally, publishing the app with the permission set to an environment updates the environment with the new or modified objects, including permission sets, making them available for assignment to users.
NEW QUESTION # 74
Hotspot Question
A company uses Azure Application Insights for Business Central online in its production environment.
A user observes that some job queues go into the failed state and require manual intervention.
You need to analyze job queue lifecycle telemetry.
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.
Answer:
Explanation:
NEW QUESTION # 75
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