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AD0-E724
Adobe Commerce Developer Professional Questions and Answers

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Questions # 11:

How can a developer prioritize a plugin's execution, if possible?

Options:

The developer can use sortOrder property by specifying a lower value than the target plugin.

The developer can use sortOrder property by specifying a higher value than the target plugin.

This cannot be achieved as the plugins are always executed by their module's load order in app/etc/config.php file.

Answer

Explanation

A developer can prioritize the execution of a plugin by using thesortOrderproperty within the plugin's declaration in thedi.xmlfile. Specifying a lower value for thesortOrderproperty gives the plugin higher priority, meaning it will be executed before other plugins with a higher sortOrder value. This allows developers to control the order of plugin execution, which can be critical for ensuring the desired outcome when multiple plugins are affecting the same method.

Questions # 12:

What is one way a developer can upgrade the ECE-Tools package on an Adobe Commerce Cloud project?

Options:

Cloud CLI for Commerce tool

Project Web Interface

Composer

Answer

Explanation

According to the Adobe Commerce Developer Documentation, one way a developer can upgrade the ECE-Tools package on an Adobe Commerce Cloud project is by using Composer, which is a dependency management tool for PHP projects. The ECE-Tools package contains scripts and tools that help manage and deploy Adobe Commerce Cloud projects on the cloud infrastructure. To upgrade the ECE-Tools package using Composer, the developer needs to run the following command in the project root directory:

composer update magento/ece-tools --with-dependencies

On an Adobe Commerce Cloud project, the recommended way to upgrade the ECE-Tools package is through Composer, a dependency manager for PHP. Composer is used to manage the dependencies of the project, including ECE-Tools, and it provides the necessary commands to update packages to their latest versions or to specific versions as required.

Questions # 13:

A developer wants to deploy a new release to the Adobe Commerce Cloud Staging environment, but first they need the latest code from Production.

What would the developer do to update the Staging environment?

Options:

1. Log in to the Project Web Interface.

2. Choose the Staging environment, and click Sync

1. Log in to the Project Web Interface.

2. Choose the Staging environment, and click Merge

1. Checkout to Production environment

2. Use the magento-cloud synchronize Commerce CLI Command

Answer

Explanation

The developer can update the Staging environment with the latest code from Production by logging in to the Project Web Interface, choosing the Staging environment, and clicking Sync. This will synchronize the code, data, and media files from Production to Staging, creating an exact copy of Production on Staging. The developer can then deploy the new release to Staging and test it before pushing it to Production. Verified References: [Magento 2.4 DevDocs]

Questions # 14:

A developer is creating a class \Vendor\Module\Model\MyModeL How should that class be defined as transient in di.xml?

Options:

Check Answer

Answer

Explanation

To define a class as transient in Magento'sdi.xml, the correct approach is to set thesharedattribute to "false" for that class. This tells Magento's object manager not to use the singleton pattern for this class, meaning a new instance will be created each time the class is requested. This is particularly useful for classes that should not maintain state across different areas of the application or during a single request lifecycle.

Questions # 15:

Which action, if any, should be taken to forbid Adobe Commerce Admin from performing specific actions?

Options:

Create a new user role with custom-defined resources, and assign it to the admin user

This action cannot be taken since all admin users must have full access.

Enable custom roles in the store configuration, and assign admin user ID(s).

Answer

Explanation

To forbid Adobe Commerce Admin from performing specific actions, a developer should create a new user role with custom-defined resources, and assign it to the admin user. This can be done by going toSystem > Permissions > Rolesand creating a new role. In theResourcessection, the developer can select the specific resources that they want to restrict the admin user from accessing.

To restrict specific actions within the Adobe Commerce Admin, the recommended approach is to utilize Magento's Access Control List (ACL). This can be done by creating a new user role with custom-defined resources and assigning this role to the admin user. This approach allows for granular control over what actions an admin user can perform by specifying allowed resources within the role. Magento's ACL system is designed to manage permissions effectively, ensuring that users only have access to the necessary functionalities required for their role.

Questions # 16:

Which file on an Adobe Commerce Cloud project allows a developer to upgrade the PHP version and enable/disable a PHP extension?

Options:

magento.app.yaal

.magento. env. yaml

php.ini

Answer

Explanation

The.magento.env.yamlfile is used on an Adobe Commerce Cloud project to customize the environment configuration, including the PHP version and enabling/disabling PHP extensions. This YAML configuration file provides the ability to manage service configurations and is essential for customizing the Cloud environment.

Questions # 17:

An Adobe Commerce developer adds a new extension attribute to add an array of values to the invoices that are fetched through the APIs.

After a while, their technical manager reviews their work and notices something wrong with the extension_attributes. xml file that the developer created in their module:

What is the problem with this xml snippet?

Options:

The extension attribute references the wrong interface, it should have referenced the Magento\saies\Api\data\invoiceinterface.

The extension attribute references the repository instead of the interface it implements (Magento\saies\Api\invoiceRepositorymterface).

The type is wrong, string [] should be replaced with array.

Answer

Explanation

When adding extension attributes in Adobe Commerce, it's essential to reference the correct interface in the extension_attributes.xml file. Extension attributes in Magento are used to add custom data fields to existing entities, and these should extend the core entity interfaces, not their repositories.

In this case:

The developer needs to reference Magento\Sales\Api\Data\InvoiceInterface, which represents the data structure of invoices, rather than any repository or incorrect interfaces.

The extension_attributes.xml should specify the data interface (e.g., Magento\Sales\Api\Data\InvoiceInterface) to ensure the extension attribute is correctly applied to the invoice entity and is accessible when fetching invoices through APIs.

Correct XML format:

Additional Resources:

Adobe Commerce Developer Guide: Using Extension Attributes

Extension Attributes XML Reference

Questions # 18:

During database migration in the Adobe Commerce Cloud integration environment, a developer experienced a disk space error causing the database import to fail.

How would the developer fix this issue?

Options:

Increase the disk space of the database service.

Add a new database node and enable split database.

Change the database engine to PostgreSQL that has no disk space limit.

Answer

Explanation

The developer can fix this issue by increasing the disk space of the database service. The database service is one of the services that run on the Adobe Commerce Cloud platform and provide functionality for the application. The database service uses MySQL as the database engine andstores data for products, customers, orders, etc. The disk space of the database service determines how much data can be stored and processed by the database. If the disk space is insufficient, the database import can fail with a disk space error. The developer can increase the disk space of the database service by modifying the .magento/services.yaml file and redeploying the environment. Verified References: [Magento 2.4 DevDocs]

Questions # 19:

An Adobe Commerce developer was asked to provide additional information on a quote. When getting several quotes, the extension attributes are returned, however, when getting a single quote it fails to be returned.

What is one reason the extension attributes are missing?

Options:

The developer neglected to add coiiection="trueM to their attribute in etc/extension_attributes.xmi file.

ottribute code="my_attributesM type="MyVendor\MyModule\Api\Data\^AttributeInterface[]M collection="true" />

The developer neglected to provide a plugin On Hagento\Quote\Api\CartRepositoryInterface: :get.

The developer neglected to implement an observer on the coiiection_ioad_after event.

Answer

Explanation

In Adobe Commerce, to retrieve custom extension attributes on an entity such as a quote, you need to ensure that these attributes are properly loaded when accessing the entity directly via repository interfaces. When fetching a single quote, it is essential to use a plugin on CartRepositoryInterface::get to include the extension attributes as this method is responsible for loading individual quote data.

If the plugin is missing for the get method, the extension attributes won’t be loaded for single quote retrieval, leading to their absence in the result.

Additional Resources:

Adobe Commerce Developer Guide: Extension Attributes

Magento 2 Repositories and Plugins

Questions # 20:

An Adobe Commerce developer wants to create a product EAV attribute programmatically which should appear as WYSIWYG in the admin panel. They have made sure that wysiwyg_enabled has been set to true, however, the attribute is not appearing as WYSIWYG in the admin panel.

What would be a possible reason?

Options:

The is_html_allowed_on_front Option iS Set tO false.

The input type is not set to text.

The input type is not set to textarea.

Answer

Explanation

Theinput_typeattribute of a product EAV attribute specifies the type of input field that will be used to enter the value of the attribute in the admin panel. Thetextareainput type is used for WYSIWYG fields. If theinput_typeattribute is not set totextarea, then the attribute will not appear as WYSIWYG in the admin panel.

To fix this, the developer should set theinput_typeattribute totextarea.

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