Adobe AD0-E724 Exam
Adobe Commerce Developer Professional
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1.A developer needs to run a piece of custom logic, such as sending a notification to an external system,
every time a customer successfully places an order. The custom logic does not need to modify the order
object itself.
What is the most appropriate and conventional Adobe Commerce component to use for this task?
A. A preference for the `\Magento\Sales\Model\Order` class.
B. An observer for the `checkout_onepage_controller_success_action` or `sales_order_place_after`
event.
C. An "around" plugin on the `\Magento\Quote\Model\QuoteManagement::placeOrder` method.
D. A cron job that checks for new orders every minute.
Answer: B
2.A developer is building a new Admin page using the UI Component framework.
In which file is the data source for an Admin grid or form component typically defined, specifying the
provider class that will supply the data?
A. The `menu.xml` file
B. The component's `.js` file
C. The UI Component's XML declaration file (e.g., `my_grid.xml`)
D. The `di.xml` file for the module
Answer: C
3.Which directory is part of the core component file structure in Adobe Commerce module development?
A. `vendor/magento`
B. `app/code`
C. `pub/static`
D. All of the above
Answer: D
4.How does the event/observer mechanism in Adobe Commerce function?
A. It is based on the singleton pattern, where only one observer can exist for any given event.
B. It is based on the factory design pattern, where an event factory creates observer objects.
C. It is based on the dependency injection pattern, where events are injected directly into observer
constructors.
D. It is based on the publish-subscribe pattern, where code dispatches an event and any number of
observers can listen and react to it.
Answer: D
5.The Admin UI SDK is an out-of-process extension framework.
What is the role of the `CommerceBackendUix` PHP module in this architecture?
A. It provides the database connection for the external React application.
B. It is a JavaScript library that replaces the need for the UI Component framework.
C. It contains the React code that renders the custom Admin content.
D. It acts as a bridge to allow the external extension to register its menus and pages within the Admin
panel.
Answer: D
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6.What is the primary purpose of the `services.yaml` file in an Adobe Commerce on cloud infrastructure
project?
A. To define the services the application depends on, such as MySQL, Redis, and their versions.
B. To configure the web server properties and writable mount points.
C. To set environment-specific variables for different stages of deployment.
D. To define the application's build hooks and deployment phases.
Answer: A
7.An Adobe Commerce developer needs to transform complex product data, which is stored in an EAV
(Entity-Attribute-Value) structure, into flat tables for faster querying on the storefront.
What is the core purpose of the indexing system in this context?
A. To improve the performance of write operations in the Admin panel.
B. To archive old product data into separate tables.
C. To create real-time backups of the product information.
D. To transform data into optimized tables for fast read operations on the frontend.
Answer: D
8.A developer is creating a new EAV attribute for products programmatically using a data patch. They
want to ensure this new attribute is automatically included in the "Default" attribute set upon creation.
Which step is required within the data patch's `apply()` method, after the attribute itself has been created?
A. Set the `is_user_defined` property of the attribute to true.
B. Run the `indexer:reindex` command.
C. Assign the attribute to the desired attribute group and attribute set.
D. Flush the `eav` cache type.
Answer: C
9.A developer is working on an Adobe Commerce on cloud infrastructure project and needs to install a
new PHP extension required by a third-party module.
Which configuration file must be modified to add or enable a specific PHP extension for the cloud
environment?
A. `php.ini`
B. `composer.json`
C. `.magento/services.yaml`
D. `.magento.app.yaml`
Answer: D
10.A developer needs to declare an observer that listens for the `catalog_product_save_before` event.
In which XML file must this observer be registered?
A. `etc/events.xml`
B. `etc/config.xml`
C. `etc/module.xml`
D. `etc/di.xml`
Answer: A
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