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Test AD0-E716 Pdf - AD0-E716 Pass Exam

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Adobe AD0-E716 Exam Syllabus Topics:

Topic
Details

Topic 1

Demonstrate the ability to create new APIs or extend existing APIs
Demonstrate the ability to manage Indexes and customize price output

Topic 2

Build, use, and manipulate custom extension attributes
Describe the capabilities and constraints of dependency injection

Topic 3

Demonstrate the ability to extend the database schema
Describe how to add and configure fields in store settings

Topic 4

Demonstrate knowledge of Adobe Commerce architecture
environment workflow
Demonstrate understanding of cloud user management and onboarding UI

Topic 5

Manipulate EAV attributes and attribute sets programmatically
Demonstrate how to effectively use cache in Adobe Commerce

Topic 6

Demonstrate the ability to add and customize shipping methods
Demonstrate a working knowledge of cloud project files, permission, and structure

Topic 7

Demonstrate the ability to update and create grids and forms
Demonstrate the ability to use the configuration layer in Adobe Commerce

Adobe Commerce Developer with Cloud Add-on Sample Questions (Q20-Q25):

NEW QUESTION # 20
An Adobe Commerce developer wants to generate a list of products using ProductRepositorylnterf ace and search for products using a supplier_id filter for data that is stored in a standalone table (i.e., not in an EAV attribute).
Keeping maintainability in mind, how can the developer add the supplier ID to the search?

A. Write a before plugin On MagentoFrameworkApiSearchCriteriaCollectionProcessorInterface: :
process(). Iterate through the $searchCriteria
provided for supplier_id, and if found, apply the needed join and filter to the passed scollection.
B. Write a before plugin on HagentocatalogVtodelProductRepository: :geti_ist() and register the search criteria passed. Write an event observer to 0 listen for the event cataiog_product_coiiection_ioad_before. Iterate through the registered search criteria, and if found, apply the needed join and filter to the events scollection.
C. Add a CUStOm filter to the Virtual type
"agentoCatalogModelApiSearchCriteriaCollectionProcessorProductFilterProce5sor for supplier_id field. In the custom filter, apply the needed join and filter to the passed $collection.

Answer: C

Explanation:
The developer can add a custom filter to the virtual type
MagentoCatalogModelApiSearchCriteriaCollectionProcessorProductFilterProce5sor for supplier_id field.
In the custom filter, the developer can apply the needed join and filter to the passed $collection. This is the recommended way to extend the search criteria for products using dependency injection and plugins. Verified References: [Magento 2.4 DevDocs] [Magento Stack Exchange] In Adobe Commerce, when you need to add a custom filter for a non-EAV attribute stored in a standalone table, the most maintainable approach is to create a custom filter for ProductFilterProcessor. This processor allows for customized search criteria handling, which can be extended to include custom joins and filters without altering core functionality or relying on plugins and observers.
* Why Custom Filter in ProductFilterProcessor is Preferred:
* The ProductFilterProcessor within SearchCriteriaCollectionProcessor is specifically designed to handle filtering of product collections. By extending this with a custom filter, the developer can implement joins and filters on standalone tables.
* This approach is modular and reusable, allowing any code that utilizes ProductRepositoryInterface to apply the supplier_id filter seamlessly.
* Implementation of Custom Filter:
* Define a custom filter class that implements the required logic to join the standalone table and apply the supplier_id filter.
* Register this custom filter with a virtual type in di.xml for ProductFilterProcessor, so it can process the supplier_id as part of the search criteria.
* Why Options A and C are Less Suitable:
* Option A relies on an event observer, which is less modular and may have performance implications since it requires listening to every product collection load event.
* Option C, while functional, involves modifying CollectionProcessorInterface::process(), which is more generic and not specifically tailored for product collection filtering.
* References:
* Magento Developer Documentation on Using Custom Filters in CollectionProcessor
* Magento DevDocs on Dependency Injection and Virtual Types

NEW QUESTION # 21
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?

A. The extension attribute references the repository instead of the interface it implements (MagentosaiesApiinvoiceRepositorymterface).
B. The type is wrong, string [] should be replaced with array.
C. The extension attribute references the wrong interface, it should have referenced the MagentosaiesApidatainvoiceinterface.

Answer: C

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 MagentoSalesApiDataInvoiceInterface, 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., MagentoSalesApiDataInvoiceInterface) to ensure the extension attribute is correctly applied to the invoice entity and is accessible when fetching invoices through APIs.
Correct XML format:
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:
magento:module:Magento_ExtensionAttributes:etc/extension_attributes.xsd">
<extension_attributes for="MagentoSalesApiDataInvoiceInterface">
<attribute code="your_custom_attribute" type="string[]" />
</extension_attributes>
</config>
Additional Resources:
* Adobe Commerce Developer Guide: Using Extension Attributes
* Extension Attributes XML Reference

NEW QUESTION # 22
An Adobe Commerce developer has installed a module from a third-party vendor. This module fires a custom event named third_party_event_after and also defines an observer named third_party_event_after_observer that listens to that event. The developer wants to listen to this custom event in their own module but wants to execute their observer's logic after the third_party_event_after_observer observer has finished executing.
What would the developer do to ensure their observer runs after the observer defined by the third-party module?

A. Set the sort order of the new observer to be less than that of the third-party vendor's observer.
B. This is not possible as observers listening to the same event may be invoked in any order.
C. Ensure the third-party module is listed in the <sequence> node of the developer's module.xmi file.

Answer: C

Explanation:
In Adobe Commerce, the order in which observers execute for the same event can be controlled by specifying module dependencies in the module.xml file. By listing the third-party module in the <sequence> node of your module's module.xml file, you ensure that your module's observer is loaded after the third-party module' s observer for the same event.
This configuration ensures that your observer will run after the third-party module's observer. Adobe Commerce resolves observers' execution order based on the module sequence defined in module.xml files rather than sortOrder attributes for events.
Example of module.xml:
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:
magento:framework:Module/etc/module.xsd">
<module name="Vendor_Module" setup_version="1.0.0">
<sequence>
<module name="ThirdParty_Module"/>
</sequence>
</module>
</config>
Additional Resources:
Adobe Commerce Developer Guide: Event Observers
Module Dependency Sequence

NEW QUESTION # 23
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.)

Answer: C,D

Explanation:
To display the "file upload" field and process the actual CSV import, the following two requirements must be met:
* The developer must create a new system configuration setting that specifies the path to the CSV file.
* The developer must create a new controller action that handles the file upload and import process.
The system.xml file is used to define system configuration settings. The following XML snippet shows how to define a new system configuration setting for the CSV file path:
XML
<config>
<system>
<config>
<shipment_fees_csv_path>/path/to/csv/file</shipment_fees_csv_path>
</config>
</system>
</config>
The ControllerAdminhtmlShipmentFees controller class is used to handle the file upload and import process.
The following code shows how to create a new controller action that handles the file upload and import process:
PHP
public function uploadAction()
{
$file = $this->getRequest()->getFile('shipment_fees_csv_file');
if ($file->isUploaded()) {
$importer = new ShipmentFeesImporter();
$importer->import($file);
}
return $this->redirect('adminhtml/system_config/edit/section/shipment_fees');
}

NEW QUESTION # 24
When researching some issues with the indexer, an Adobe Commerce developer is seeing errors in the logs similar to Memory size allocated for the temporary table is more than 20% of innodb_buffer_pool_size. It is suggested that the client update innodb_buf f er_pool_size or decrease the batch size value.
Why does decreasing the batch size value improve performance?

A. This allows for a longer timeout per batch process.
B. This allows for more PHP threads to be utilized during the process.
C. This decreases memory usage for the temporary table.

Answer: C

Explanation:
Decreasing the batch size value improves performance by reducing the memory usage for the temporary table.
The batch size value determines how many rows of data are processed at a time by the indexer. A large batch size value can cause the allocated memory size for the temporary table to exceed 20% of innodb_buffer_pool_size, which can result in errors and slow down the indexing process. By lowering the batch size value, the indexer can process the data more efficiently and avoid memory issues. Verified References: [Magento 2.4 DevDocs] [Magento Stack Exchange] The error message regarding innodb_buffer_pool_size indicates that the temporary table's memory usage is high. Decreasing the batch size value directly reduces the number of rows processed in each batch, which in turn reduces the memory requirements for the temporary table.
* Impact of Batch Size on Memory Usage:
* The batch size determines how many records are processed at one time. By lowering the batch size, fewer records are processed, which reduces the amount of temporary table memory needed, alleviating the pressure on the InnoDB buffer pool.
* When the memory required by temporary tables exceeds the InnoDB buffer pool limit, MySQL might swap to disk, leading to slower performance and increased I/O.
* Why Option A is Correct:
* Reducing the memory footprint of temporary tables helps to prevent situations where memory constraints slow down or disrupt indexer operations.
* Options B and C are incorrect as they do not directly impact memory usage. Batch size adjustments do not affect timeout settings or PHP thread usage.
* Recommendations:
* In addition to adjusting the batch size, consider optimizing the innodb_buffer_pool_size setting based on server capacity to better handle larger operations if needed.
* References:
* Magento DevDocs on Indexer Configuration and Troubleshooting
* MySQL Documentation on InnoDB Buffer Pool

NEW QUESTION # 25
......

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