Free Adobe Commerce Developer Expert Exam AD0-E709 Exam Practice Test

An Adobe Commerce developer wants to generate a list of products using ProductRepositoryinterface and search for products using a supplier_id filter for data that is stored in a standalone table (It. not in an EAV attribute).Keeping maintainability in mind, how can the developer add the supplier ID to the search?Add a custom filter to the virtual type

• Megento\Catalog\model\Api\SearchCriteria\CollectionProfessor\ProductFilterProcessor for supplier_id field. In the custom filter, apply the needed join and filter to the passed $collection.
• Write a before plugin on \Magento \Cotalog\Model\ProductRepository: getlist() and register the search criteria passed. Write an event observer to listen for the event catalog_product_collection_load_before - Iterate through the registered search criteria, and if found, apply the needed join and filter to the event's $collection .
• Write a before plugin on Magento\Fremework\api\SearchCriteria\CollectionProcessorinterface::process() . Iterate through the $searchCriteria provided for supplier_id , and if found, apply the needed join and filler to the passed $collection .

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]''> </extension_attribute> What is the problem with this xml snippet?

• The extension attribute references the repository instead of the interface it implements (Magento\Sales\Api\invoiceRepositoryinteface
• The type is wrong, string[] should be replaced with array.
• The extension attribute references the wrong interface it should have referenced the Magento\Sales\APi\Invoiceinterface.

When creating a new payment method, the Adobe Commerce developer adds the dependency injection configuration for payment method facade in the modules etc\di.xml.What is required for the custom payment methods Value Handlers pool?

• A default handler must be defined.
• A country handler must be defined
• An offline payment handler must be defined.

An Adobe Commerce developer is developing a class that is executed in both the frontend and crontab areas. When executed in the frontend \Magnto\Customer\Model\session::getCu5tonteria() is called but when executed in the crontab this section of code is skipped.Keeping performance and best practices in mind, what would be the best approach to achieve this?

• Inject the \Magento\Customer\Model\Session\Proxy class in the constructor of their class and call the getCustomer id function wherever required in the class.
• Declare \Magento\Customer\Model\Session in the constructor dependency of their class and declare a proxy in the di.xml. Then call the getCustomerid function wherever required in the class.
• Declare \Magento\Customer\Model\.session in the constructor of their class dependency and call the getCustomrid() function wherever required.

An Adobe Commerce developer added a new API method to search and retrieve a list of Posts for a custom Blog functionality. This is the content of the module's etc/webapi.xml file:The new code has been deployed to production and the merchant is using https: //merchant.domain.com/swagger to review the new endpoint, but it is not visible in swagger.What would be a reason for this?

• Since the new endpoint is not anonymous, the merchant needs to enter a valid integration token in swagger in order to see the new method.
• The webapi.xml file should be moved into the etc/webapi_rest/webapi.xml file.
• The @return annotation is missing in the MyVendor\Blog\Api\Post Repositoryinterfacec

When building a custom page we need to get a collection of data. To determine how many items are in this collection, the Adobe Commerce developer uses $collection->count() . This sometimes is slow and causes some delay.What is the reason?

• The collection is loaded first and then the number of items in the collection are returned.
• Before the collection is loaded, the framework performs left joins for all related attributes are added to the query.
• The framework internally uses SELECT count(-) and that is slower than loading the collection.

A customer is creating a new website, store and store view that will have a new category structure. How would an Adobe Commerce developer implement this?

• All stores have unique category structures, select which root category to duplicate to the new store during creation.
• Create a new root category in the admin and then select it when creating the website.
• Create a new root category in the admin and then select it when creating the store.

An Adobe Commerce Developer is tasked with creating a module which generates a sitemap by cron. While writing the module, they realize they will need to use environment emulation to ensure the data is generated from a frontend perspective. They notice that the Emulation: :startEnvironmentEmulation() method accepts a $force parameter.Why would this be set to true?

• To reset the environment emulation configuration to the current store.
• To emulate a new environment while already emulating a different one.
• To ignore any exceptions which may otherwise get thrown during emulation.

An Adobe Commerce developer has added an iframe and included a JavaScript library from an external domain to the website. After that they found the following error in the console:Refused to frame IURLJ because it violates the Content Security Policy directive.In order to fix this error, what would be the correct policy ids to add to the csp_whitelist.xmi file?

• default-src and object-src
• frame-src and script-src
• frame-ancentors and connect-src

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.)

• Create an observer that listens to the adminhtml_config_system_save_after
• Add a new field in etc.adminhtml/system.xml in my_Module with the file type:
• Add a custom backend model which extends /Magento\Framework\App\Config\Value and call afterSave:
• Add a new field in etc/adminhtml\system.xml in My_Module with a new custom type: