UPDATED [Mar 10, 2024] Pass Adobe Commerce Developer with Cloud Add-on Exam with Latest Questions
AD0-E716 Exam Practice Questions prepared by Adobe Professionals
Adobe AD0-E716 Exam Syllabus Topics:
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NEW QUESTION # 25
The di. xml file of a module attaches two plugins for the class Action.
The around plugin code is:
What would be the plugin execution order?
- A.
- B.
- C.
Answer: C
Explanation:
The plugin execution order is as follows:
PluginA::beforeDispatch()
PluginB::beforeDispatch()
PluginA::aroundDispatch()
The code in the around plugin
PluginB::afterDispatch()
PluginA::afterDispatch()
The aroundDispatch() method is executed in a separate scope, so the code in the around plugin will be executed after the beforeDispatch() methods of both plugins, but before the afterDispatch() methods of both plugins.
Here is a diagram that shows the plugin execution order:
PluginA
beforeDispatch()
aroundDispatch()
afterDispatch()
PluginB
beforeDispatch()
afterDispatch()
NEW QUESTION # 26
A developer is working on an Adobe Commerce Cloud project and wants to get connection data for the environment's deployed services. The developer has all of the necessary permissions to do this.
Which two options would the developer take to get the connection credentials? (Choose Two.)
- A. Connect to server via SSH and read $_ENV['services'] variable.
- B. Run the magento-cloud relationships CLI Command.
- C. Get the data from the Project Web Interface dedicated section.
- D. Execute ece-tools env:config:show services Command.
Answer: A,B
Explanation:
Two options to get the connection credentials for the environment's deployed services are to run the magento-cloud relationships CLI command and to connect to the server via SSH and read $_ENV['services'] variable. The magento-cloud relationships CLI command displays information about the relationships between an environment and its services, such as database, cache, search, etc. The developer can use this command to get the connection data for each service in JSON format. Alternatively, the developer can connect to the server via SSH and read the $_ENV['services'] variable, which contains the same information as the CLI command output. Verified Reference: [Magento 2.4 DevDocs] 3
NEW QUESTION # 27
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. Form key validation runs on all non-AJAX POST requests, the developer needs to add the for_key to their requests.
- B. 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.
- C. Magento does not allow POST requests to a frontend controller, therefore, the submission functionality will need to be rewritten as an API endpoint.
Answer: A
Explanation:
According to the Magento Stack Exchange answer, form key validation is a security feature that prevents CSRF attacks by checking if the form key in the request matches the one generated by Magento. If the developer does not include the form_key in their custom form, the validation will fail and an error will be shown. Therefore, the developer needs to add the form_key to their requests by using <?= $block->getBlockHtml ('formkey') ?> in their template file. Verified Reference: https://magento.stackexchange.com/questions/95171/magento-2-form-validation
NEW QUESTION # 28
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?
- A. The webapi.xml file should be moved into the etc/webapi_rest/webapi.xml file.
- B. The greturn annotation is missing in the MyVendor\Blog\Api\PostRepositoryInterf ace class.
- C. 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.
Answer: C
Explanation:
The reason why the new endpoint is not visible in swagger is that 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 specifies that the resource for the new endpoint is MyVendor_Blog::post, which means that only authorized users with this permission can access it. To generate an integration token, the merchant needs to create an integration in the admin panel and activate it. Then they can copy the token and paste it in swagger's authorization field. Verified Reference: [Magento 2.4 DevDocs] [Magento Stack Exchange]
NEW QUESTION # 29
Which hashing algorithm will Adobe Commerce choose to hash customer passwords?
- A. It does not matter if the Sodium extension is installed or not, the Magento hashing default algorithm will be SHA256.
- B. If the Sodium extension is installed, Argon 2ID13 will be chosen, otherwise SHA256 will be used as the Magento default hashing algorithm.
- C. If the Sodium extension is installed, SHA256 will be chosen, otherwise MD5 will be used as the Magento default hashing algorithm.
Answer: B
Explanation:
If the Sodium extension is installed, Argon 2ID13 will be chosen as the Magento default hashing algorithm. Otherwise, SHA256 will be used.
The Sodium extension is a PHP extension that provides cryptographic functions. Argon 2ID13 is a password hashing algorithm that is considered to be more secure than SHA256.
If the Sodium extension is installed, Magento will use Argon 2ID13 as the default hashing algorithm for customer passwords. If the Sodium extension is not installed, Magento will use SHA256 as the default hashing algorithm.
NEW QUESTION # 30
A merchant is experiencing performance issues on integration environments of their Adobe Commerce Cloud Pro plan and wants to upgrade to Enhanced Integration Environments.
What are the steps necessary prior to redeploying in order to upgrade to Enhanced Integration Environments?
- A. 1. Limit the number of Integration branches to four
2. Configure integration environments in the cloud GUI and set the Enhanced switch to On - B. 1. Limit the number of Integration branches to three
2. Set the ENV.ENVIRONMENT in .magento.env.yaml to ENHANCEDJNTEGRATION - C. 1. Limit the number of Integration branches to two
2. Submit a support ticket requesting the upgrade
Answer: C
Explanation:
The steps necessary prior to redeploying in order to upgrade to Enhanced Integration Environments are to limit the number of integration branches to two and to submit a support ticket requesting the upgrade. Enhanced Integration Environments are an improved version of integration environments that offer better performance, stability, and security. They have a limit of four active branches at a time, but only two branches can be migrated from standard integration environments. The developer needs to delete or deactivate any extra branches before requesting the upgrade from Adobe support. Verified Reference: [Magento 2.4 DevDocs]
NEW QUESTION # 31
An Adobe Commerce developer is asked to create a new payment method for their project. This project has administrators who use the backend to manage customer information and occasionally place orders. When testing the new payment method on the frontend everything worked as expected, however, the payment method is missing in the admin.
What is a possible reason for this?
- A. In the module config.xmi, the node can_use_internal was not set to true.
- B. In the module config.xmi, the boolean value for can_capture was set to false.
- C. In the module di.xml, there were no default 3DS verification types configured as a VirtualType.
Answer: A
NEW QUESTION # 32
An Adobe Commerce developer wants to create a product EAV attribute programmatically which should appear as WYSIWYG in the admin panel. They have made sure that wysiwyg_enabled has been set to true, however, the attribute is not appearing as WYSIWYG in the admin panel.
What would be a possible reason?
- A. The input type is not set to textarea.
- B. The is_html_allowed_on_front Option iS Set tO false.
- C. The input type is not set to text.
Answer: A
Explanation:
The input_type attribute of a product EAV attribute specifies the type of input field that will be used to enter the value of the attribute in the admin panel. The textarea input type is used for WYSIWYG fields. If the input_type attribute is not set to textarea, then the attribute will not appear as WYSIWYG in the admin panel.
To fix this, the developer should set the input_type attribute to textarea.
NEW QUESTION # 33
An Adobe Commerce developer has created a module that adds a product attribute to all product types via a Data Patch-According to best practices, how would the developer ensure this product attribute is removed in the event that the module is uninstalled at a later date?
- A. Add instructions to the module's README.md file instructing merchants and developers that they must manually remove this attribute if they want to uninstall the module.
- B. Make the Data Patch implement \Magento\Framework\setup\Patch\PatchRevertabieinterface and implement the revert method to remove the product attribute.
- C. Add an Uninstall.php file extending \l1agento\Framework\Setup\UninstallInterface tO the module's Setup directory and implement the uninstall method.
Answer: B
Explanation:
According to the Develop data and schema patches guide for Magento 2 developers, data patches can also implement PatchRevertabieinterface to provide rollback functionality for their changes. The revert() method contains the instructions to undo the data modifications made by the patch. To ensure that the product attribute is removed when the module is uninstalled, the developer should make the data patch implement PatchRevertabieinterface and implement the revert method to remove the product attribute using EavSetupFactory or AttributeRepositoryInterface. Verified Reference: https://devdocs.magento.com/guides/v2.3/extension-dev-guide/declarative-schema/data-patches.html
NEW QUESTION # 34
A merchant of an Adobe Commerce Cloud project wants to setup one of their websites using a subdomain. The merchant is considering the domain to be set as secondstore.example.com.
In addition to editing the magento-vars.php file, and apply a domain check and set $_SERVER["MAGE_RUN_CODE"] and $_SERVER["MAGE_RUN_TYPE"].
What file is required to perform this action?
- A. Configure secondstore.example.com subdomain route in NGINX virtual-host configuration file.
- B. Configure secondstore.example.com subdomain route in .magento/routes.yaml.
- C. Configure secondstore.example.com subdomain route in .magento/services.yaml.
Answer: B
Explanation:
The developer can set up a subdomain for one of their websites by configuring the subdomain route in the .magento/routes.yaml file. This file defines how incoming requests are routed to different applications or services on the Adobe Commerce Cloud platform. The developer needs to add a route for secondstore.example.com and map it to the same application as example.com. The developer also needs to specify the upstream variable for secondstore.example.com as MAGE_RUN_CODE and MAGE_RUN_TYPE. Verified Reference: [Magento 2.4 DevDocs] 3
NEW QUESTION # 35
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 [URL] 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.xml file?
- A. default-src and object-src
- B. frame-ancestors and connect-src
- C. frame-src and script-src
Answer: B
Explanation:
The frame-ancestors directive specifies the domains that are allowed to embed the current page in an iframe. The connect-src directive specifies the domains that are allowed to be loaded by the current page through a <script> tag or XMLHttpRequest.
In this case, the developer has added an iframe that embeds a page from an external domain. The Content Security Policy (CSP) is preventing the iframe from being loaded because the domain of the external page is not listed in the frame-ancestors directive.
To fix this error, the developer needs to add the domain of the external page to the frame-ancestors directive. They can do this by adding the following line to the csp_whitelist.xml file:
<frame-ancestors>https://www.example.com</frame-ancestors>
NEW QUESTION # 36
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 decreases memory usage for the temporary table.
- B. This allows for more PHP threads to be utilized during the process.
- C. This allows for a longer timeout per batch process.
Answer: A
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 Reference: [Magento 2.4 DevDocs] [Magento Stack Exchange]
NEW QUESTION # 37
An Adobe Commerce developer is working on a module to manage custom brand entities and wants to replicate the following SQL query using SearchCriteria:
- A.
- B.
- C.
Answer: A
Explanation:
The following SearchCriteria query will replicate the SQL query:
$searchCriteria = new \Magento\Framework\Api\SearchCriteriaBuilder();
$searchCriteria->addFilter('name', 'Brand 1', 'eq');
$searchCriteria->addFilter('status', 1, 'eq');
$brandCollection = $this->brandRepository->getList($searchCriteria);
NEW QUESTION # 38
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.) A)
- A.
- B.
- C.
- D.
Answer: B,C
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 Controller\Adminhtml\ShipmentFees 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 # 39
An Adobe Commerce developer is being tasked with creating a new cron job to run a method that has already been written. What are the minimally required steps to accomplish this?
- A. Create crontab.xmi and cron_groups.xmi files to assign the new job to a cron group.
- B. Create a crontab.xmi file and a new system configuration in system.xmi for the schedule.
- C. Create a crontab.xmi file and set a schedule for the new cron job.
Answer: C
Explanation:
According to the Configure and run cron guide for Magento 2 developers, the crontab.xmi file is used to declare and configure cron jobs for a module. The file should specify the name, instance, method and schedule of the cron job. Therefore, creating a crontab.xmi file and setting a schedule for the new cron job are the minimally required steps to accomplish this task. Verified Reference: https://devdocs.magento.com/guides/v2.3/config-guide/cli/config-cli-subcommands-cron.html
NEW QUESTION # 40
An Adobe Commerce Cloud developer wants to be sure that, even after transferring database from Production to Staging, the payment configurations are still valid on the Staging environment.
What does the developer need to add to be sure that the configurations are always properly set?
- A. Lines in the dedicated core_conf ig_data_stg table.
- B. Project level environment variables.
- C. Environment level environment variables.
Answer: C
Explanation:
The developer needs to add environment level environment variables to be sure that the payment configurations are always properly set on the Staging environment. Environment variables are configuration settings that affect the behavior of the Adobe Commerce Cloud application and services. Environment variables can be set at the project level or the environment level. Project level variables apply to all environments, while environment level variables override the project level variables for a specific environment. The developer can use environment level variables to customize the payment configurations for the Staging environment without affecting other environments. Verified Reference: [Magento 2.4 DevDocs]
NEW QUESTION # 41
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