Adobe Commerce Developer Professional : AD0-E724

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Adobe AD0-E724 Exam Syllabus Topics:

Adobe Commerce Developer Professional Sample Questions:

1. A developer needs to initialize the jQuery Ul widget for a specific HTML tag. Which HTML attribute is used for this?

A) data-ui
B) x-magento-init
C) data-mage-init

2. In a new release of a module, a developer decides to rename a table that was defined in the earlier versions.
Which action, if any, allows the developer to prevent data loss?

A) Define the table and columns mapping in the db.schema_whitelist.json
B) Declarative schema supports RENAME TABLE', so the data will be migrated to the new table automatically.
C) Define onCreate="migrateDataFromAnotherTable(old_table_name)" attribute in the table tag.

3. Which file is used to add a custom router class to the list of routers?

A) di.xml
B) config.xml
C) routes.xml

4. An Adobe Commerce Developer is tasked with creating a custom form which submits its data to a frontend controller They have decided to create an action and have implemented the
\Magento\Framework\App\Action\HttpPostActioninterface class, but are not seeing the data being persisted in the database, and an error message is being shown on the frontend after submission.
After debugging and ensuring that the data persistence logic is correct, what may be cause and solution to this?

A) The developer forgot to implement a validatePostDataQ method in their action. They should implement this method: all non-validated POST data gets stripped out of the request and an error is thrown.
B) Magento does not allow POST requests to a frontend controller, therefore, the submission functionality will need to be rewritten as an API endpoint.
C) Form key validation runs on all non-AJAX POST requests, the developer needs to add the for_key to their requests.

5. An Adobe Commerce developer is developing a custom module. As part of their implementation they have decided that all instances of their Custom\Module\Model\Example class should receive a new instance of Magento\Filesystem\Adapter\Local.
How would the developer achieve this using di. xml?

A)

B)

C)

Solutions: