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| Section | Weight | Objectives |
|---|---|---|
| Describe Business Central | 10–15% | - Describe solution and extension approach - Describe Business Central architecture - Describe components and capabilities - Differentiate online and on-premises features - Describe Business Central apps
|
| Integrate Business Central with other applications | 10–15% | - External data connections - Authentication and security for integration - Use APIs and web services - Power Platform integration |
| Develop by using AL | 15–20% | - Data manipulation and validation - AL syntax and programming concepts - Performance optimization - Error handling and logging - Security and permissions |
| Install, develop, and deploy for Business Central | 10–15% | - Set up development environment
|
| Work with development tools | 10–15% | - Telemetry and diagnostics - Visual Studio Code for AL development - Source control integration - AL Language extension |
| Develop by using AL objects | 35–40% | - Enums, interfaces, and other objects - Create pages and reports
|
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NEW QUESTION # 111
A company is deploying Business Central on-premises.
The company plans to use a single-tenant deployment architecture.
You need to describe how the data is stored and how the Business Central Server is configured.
In which two ways should you describe the single-tenant architecture? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
Answer: C,D
Explanation:
In a single-tenant deployment architecture of Business Central on-premises, the following characteristics describe how the data is stored and how the Business Central Server is configured:
The application and the business data are stored in the same database (B): In a single-tenant architecture, each tenant (which typically corresponds to a single customer) has its own dedicated database. This database contains both the application objects (such as pages, reports, codeunits, etc.) and the business data (such as customer, vendor, and transaction records). This setup ensures that each tenant's data is isolated and can be managed independently.
The application and business data are stored in separate databases (D): While (B) is a characteristic of a single-tenant deployment, it's important to clarify that in some configurations, the application objects can be stored in a separate database from the business data. This approach can be used for easier maintenance and upgrades of the application code without affecting the business data. However, each tenant still has its own set of databases, maintaining the single-tenancy model.
The other options provided do not accurately describe a single-tenant architecture:
Each customer has their own Business Central Server (A): This statement might be misleading. In a single-tenant deployment, while each customer has their own database, they do not necessarily have their own Business Central Server instance. Multiple databases (tenants) can be hosted on a single server instance, although they are not shared across customers.
Multiple customers share a single Business Central Server (C) and Multiple customers share multiple Business Central Server instances (E): These options describe a multi-tenant architecture rather than a single-tenant one. In a multi-tenant setup, multiple customers (tenants) can share the same server instance and even the same application database, with data isolation ensured at the application level.
NEW QUESTION # 112
You are developing an app that will be published to Microsoft AppSource.
The app requires code analyzers to enforce some rules. You plan to add the analyzers to the settings.json file.
You need to activate the analyzers for the project.
Which three code analyzers should you activate to develop the app for AppSource? Each correct answer presents part of the solution NOTE: Each correct selection is worth one point.
Answer: A,B,C
Explanation:
When developing an app for Microsoft AppSource, it is crucial to adhere to specific guidelines and standards to ensure compatibility and compliance. The three code analyzers you should activate are:
CodeCop (A): This is the default analyzer for AL language extensions. It enforces the AL Coding Guidelines, ensuring that the code follows best practices for readability, maintainability, and performance. It checks for a wide range of issues, from syntax errors to best practice violations, making it essential for any AL development.
PerTenantExtensionCop (D): This analyzer is specifically designed for extensions that are intended to be installed for individual tenants. It includes rules that ensure the extension does not interfere with the per-tenant customizations and adheres to the guidelines for extensions that can be safely installed and uninstalled without affecting the underlying application.
AppSourceCop (E): This analyzer is tailored for extensions that are intended for publication on Microsoft AppSource. It enforces additional rules that are specific to AppSource submissions, such as checking for the use of reserved object ranges and ensuring that all prerequisite dependencies are correctly declared. This is crucial for ensuring that your app meets all the requirements for listing on AppSource.
By activating these three analyzers, developers can ensure their app adheres to the standards required for AppSource, as well as maintain high code quality and compatibility with Business Central.
NEW QUESTION # 113
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: B
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 # 114
You need to write the code to call the subcontractor's REST API.
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:
Explanation:
To correctly write the code to call the subcontractor's REST API, you would need to set the Authorization header with the base64 encoded username and password for basic authentication. The code segment indicates the use of the Base64Convert codeunit to convert the username and password to base64 format, which is then prefixed with "Basic " to form the proper Authorization header value.
The correct method to add the Authorization header to the RequestHeaders would be:
RequestHeaders.Add('Authorization', 'Basic ' + Base64Convert.ToBase64(Username + ':' + Password)); And the correct method to set the httpContent with the body of the request would be:
httpContent.WriteFrom(Body);
These are the necessary steps to form a well-structured HTTP request for basic authentication and to include the body of the request in the API call.
NEW QUESTION # 115
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#.
NEW QUESTION # 116
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