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Adobe Commerce Developer Expert Questions and Answers

Question 1

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: extension_attributes for="Magento\Sales\Hotel\Order\InvoiceRepository"> attribute code"my_code" type=string]’’> What is the problem with this xml snippet?

Options:

A.

The extension attribute references the repository instead of the interface it implements

(Magento\Sales\Api\invoiceRepositoryinteface

B.

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

C.

The extension attribute references the wrong interface it should have referenced the Magento\Sales\APi\Invoiceinterface.

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Question 2

A logistics company with an Adobe Commerce extension sends a list of reviewed shipment fees to all its clients every month in a CSV file. The merchant then uploads this CSV file to a "file upload" field in admin configuration of Adobe Commerce.

What are the two requirements to display the "file upload' field and process the actual CSV import? (Choose two.)

Options:

A.

Create an observer that listens to the adminhtml_config_system_save_after

B.

Add a new field in etc.adminhtml/system.xml in my_Module with the file type:

C.

Add a custom backend model which extends /Magento\Framework\App\Config\Value and call afterSave:

D.

Add a new field in etc/adminhtml\system.xml in My_Module with a new custom type:

Question 3

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\Filestem\adapter\local.

How would the developer achieve this using di. xml?

A)

B)

C)

Options:

A.

Option A

B.

Option B

C.

Option C