[UPDATED Jan-2025] Best Value Available Preparation Guide for AD0-E716 Exam
1 Full AD0-E716 Practice Test and 71 Unique Questions, Get it Now!
NEW QUESTION # 39
An Adobe Commerce Cloud merchant has been experiencing significant downtime during production deployment. They have already checked that the application is in ideal state.
In addition to the configuration of the SCD.MATRIX variable to reduce amount of unnecessary theme files, what would be the next steps to reduce the downtime?
- A. 1. Check SCD is configured under deploy phase.
2. Decrease the SCD.THREADS to speed up the build process - B. 1. Check SCD is configured under the build phase.
2. Check if Adobe Commerce Cloud automatically adjusts SCD.THREADS. - C. 1. Check SCD is configured under the build phase.
2. Increase the SCD.THREADS to speed up the build process.
Answer: C
Explanation:
The next steps to reduce the downtime are to check that the SCD is configured under the build phase and to increase the SCD.THREADS to speed up the build process. The SCD stands for static content deployment, which is the process of generating and deploying static files such as CSS, JS, images, etc. By configuring the SCD under the build phase, the static files are generated before the code is deployed to the production environment, which reduces the downtime during deployment. The SCD.THREADS is a variable that determines how many threads are used for parallel processing during the SCD. By increasing the SCD.THREADS, the developer can improve the performance and efficiency of the SCD process. Verified References: [Magento 2.4 DevDocs] 12
NEW QUESTION # 40
An Adobe Commerce developer is asked to change the tracking level on a custom module for free downloading of pdf and images.
The module contains following models:
Vendor\FreeDownload\Model\Download
Vendor\FreeDownload\Model\DownloadPdf extends Vendor\FreeDownload\Model\Download Vendor\FreeDownload\Model\DownloadImage extends Vendor\FreeDownload\Model\Download Download class has a parameter for tracking_level.
How will the developer configure the tracking_level parameter, in di.xml.to have a value of 4 for Download class and all classes that extend Download?
- A.
- B.
- C.
Answer: C
Explanation:
To configure the tracking_level parameter in di.xml to have a value of 4 for the Download class and all classes that extend Download, the developer would use the following code:
<config>
<global>
<models>
<Vendor\FreeDownload\Model\Download>
<setting name="tracking_level" value="4"/>
</Vendor\FreeDownload\Model\Download>
<Vendor\FreeDownload\Model\DownloadPdf>
<rewrite name="tracking_level" value="4"/>
</Vendor\FreeDownload\Model\DownloadPdf>
<Vendor\FreeDownload\Model\DownloadImage>
<rewrite name="tracking_level" value="4"/>
</Vendor\FreeDownload\Model\DownloadImage>
</models>
</global>
</config>
The setting element is used to set a configuration value for a specific model. The rewrite element is used to override the default configuration value for a specific model. In this case, the tracking_level parameter is set to
4 for all models that extend Download.
NEW QUESTION # 41
An Adobe Commerce developer is tasked to add a file field to a custom form in the administration panel, the field must accept only .PDF files with size less or equal than 2 MB. So far the developer has added the following code within the form component xml file, inside the fieldset node:
How would the developer implement the validations?
A)
Add the Validations Within the HyVendor\MyModule\Controller\Adminhtml\CustomEntity\UploadPdf Controller
B)
Add a virtual type forMyvendor\MyModuie\Modei\customPdfupioader specifying the aiiowedExtensions and the maxFiiesize for the constructor, within the module's di.xmi:
C)
Add the following code inside the<settings> node:
- A. Option C
- B. Option A
- C. Option B
Answer: C
Explanation:
The developer can add a virtual type for Myvendor\MyModuie\Modei\customPdfupioader specifying the aiiowedExtensions and the maxFiiesize for the constructor, within the module's di.xmi. This way, the developer can reuse the existing file uploader class and customize it for the specific field without modifying the core code. Verified Reference: [Magento 2.4 DevDocs] [Magento Stack Exchange]
NEW QUESTION # 42
How would a developer enable the magnification of CSS files on an Adobe Commerce Cloud Staging environment?
- A. SSH to the Adobe Commerce Staging environment. From the command line
- B. Update the stores > setting > configuration > Advanced > Developer > css configuration in the Admin Panel.
- C. Locally from the command line
bin/magento config:set --lock-config dev/css/minify_files 1
Commit the app/etc/config.php file and redeploy.
Answer: C
Explanation:
The developer can enable the magnification of CSS files on an Adobe Commerce Cloud Staging environment by locally running the command bin/magento config:set --lock-config dev/css/minify_files 1 from the command line. This will set the configuration value in the app/etc/config.php file and lock it from being changed in the Admin Panel. The developer then needs to commit the app/etc/config.php file and redeploy the environment. Verified References: [Magento 2.4 DevDocs] 2
NEW QUESTION # 43
An Adobe Commerce developer successfully added a new column to the customers grid. This column needs the data to be formatted before showing its content in the grid.
According to best practices, how would the developer add the custom logic to render the column?
- A. 1. Override the Magento\Customer\Ui\Component\DataProvider Class using a preference.
2. Override the getData() method and add the custom logic per row. - B. 1. Create a custom class extending flagento\Ui\Component\Listing\Columns\Colunm.
2. Add the custom logic within the prepareDataSource method.
3. Add an attribute class to the column node within the module's customer_listing.xml. - C. 1. Create an after pluginforMagento\Ui\Component\Listing\Columns\Column::prepareColumn().
2. Add the custom logic within the afterPreparecoiumn method.
Answer: C
NEW QUESTION # 44
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 .magento/services.yaml.
- B. Configure secondstore.example.com subdomain route in .magento/routes.yaml.
- C. Configure secondstore.example.com subdomain route in NGINX virtual-host configuration file.
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 References: [Magento 2.4 DevDocs] 3
NEW QUESTION # 45
An Adobe Commerce developer was asked to provide additional information on a quote. When getting several quotes, the extension attributes are returned, however, when getting a single quote it fails to be returned.
What is one reason the extension attributes are missing?
- A. The developer neglected to add coiiection="trueM to their attribute in etc/extension_attributes.xmi file. O ottribute code="my_attributesM type="MyVendor\MyModule\Api\Data\^AttributeInterface[]M collection="true" />
- B. The developer neglected to implement an observer on the coiiection_ioad_after event.
- C. The developer neglected to provide a plugin On Hagento\Quote\Api\CartRepositoryInterface: :get.
Answer: A
Explanation:
The extension attributes are missing because the collection="true" attribute is not set in the etc/extension_attributes.xmi file. This attribute tells Magento that the extension attributes should be returned when the quote is retrieved.
To fix this issue, the developer needs to add the collection="true" attribute to the my_attributes extension attribute.
<attribute code="my_attributes" type="MyVendor\MyModule\Api\Data\AttributeInterface[]" collection="true" /> Once the collection="true" attribute is set, the extension attributes will be returned when the quote is retrieved.
NEW QUESTION # 46
An Adobe Commerce developer has been tasked with applying a pricing adjustment to products on the website. The adjustments come from a database table. In this case, catalog price rules do not work. They created a plugin for getPrice on the price model, but the layered navigation is still displaying the old price.
How can this be resolved?
- A. Create an after plugin On \Magento\Catalog\Api\Data\BasePriceInterface:: getPrice.
- B. Create an implementation for \Magento\Catalog\Hodel\Product\PriceModifierlnterf ace.
- C. Create a plugin for\Magento\Catalog\Model\Indexer\Product\Price::executeRow.
Answer: C
Explanation:
The developer can resolve this issue by creating a plugin for the Magento\Catalog\Model\Indexer\Product\Price::executeRow() method. This method is responsible for updating the product price index.
The plugin can be used to add the pricing adjustment from the database to the product price index. Once the product price index is updated, the layered navigation will display the correct price.
Here is an example of a plugin for the executeRow() method:
PHP
class MyPlugin
{
public function executeRow(
\Magento\Catalog\Model\Indexer\Product\Price $subject,
\Magento\Catalog\Model\Product $product,
array $data
) {
$adjustment = $this->getAdjustment($product);
$product->setPrice($product->getPrice() + $adjustment);
}
private function getAdjustment(Product $product)
{
$adjustment = $product->getData('adjustment');
if (!is_numeric($adjustment)) {
return 0;
}
return $adjustment;
}
}
This plugin will add the adjustment data from the product to the product price index. Once the product price index is updated, the layered navigation will display the correct price.
NEW QUESTION # 47
The di. xml file of a module attaches two plugins for the class Action.
The PluginA has the methods: beforeDispatch, aroundDispatch, afterDispatch. The PluginB has the methods:
beforeDispatch, afterDispatch.
The around plugin code is:
What would be the plugin execution order?
- A.
- B.
- C.
Answer: B
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 # 48
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-src and script-src
- C. frame-ancestors and connect-src
Answer: C
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 # 49
An Adobe Commerce developer creates a new website using a data patch. Each website will have unique pricing by website. The developer does not have visibility into the production and staging environments so they do not know what the configuration currently is.
How would they ensure the configuration is deployed and consistent across all environments?
A)
- A. Option C
- B. Option A
- C. Option B
Answer: C
Explanation:
To ensure that the configuration is deployed and consistent across all environments, the developer can use the following steps:
Create a data patch that contains the configuration for the new website.
Deploy the data patch to all environments.
Use the magento deploy:status command to verify that the configuration has been deployed to all environments.
NEW QUESTION # 50
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 type is wrong, string [] should be replaced with array.
- B. The extension attribute references the wrong interface, it should have referenced the Magento\saies\Api\data\invoiceinterface.
- C. The extension attribute references the repository instead of the interface it implements (Magento\saies\Api\invoiceRepositorymterface).
Answer: C
Explanation:
The extension attribute is referencing the repository instead of the interface it implements. The correct XML snippet should be:
XML
<extension_attributes>
<attribute code="custom_values" type="string[]"
group="General"
translate="true">
<description>This attribute stores an array of custom values for the invoice.</description>
<source_model>Magento\Sales\Api\Data\InvoiceInterface</source_model>
</attribute>
</extension_attributes>
The source_model attribute specifies the interface that the extension attribute is associated with. In this case, the extension attribute is associated with the Magento\Sales\Api\Data\InvoiceInterface interface.
NEW QUESTION # 51
An Adobe Commerce developer has created a before plugin for the save() function within the Magento\Framework\App\cache\Proxy class. The purpose of this plugin is to add a prefix on all cache identifiers that fulfill certain criteria.
Why is the plugin not executing as expected?
- A. The target ClaSS implements Magento\Framework\ObjectManager\NoninterceptableInterface.
- B. Another around plugin defined for the same function does not call the callable.
- C. Cache identifiers are immutable and cannot be changed.
Answer: A
Explanation:
According to the Plugins (Interceptors) guide for Magento 2 developers, plugins are class methods that modify the behavior of public class methods by intercepting them and running code before, after, or around them. However, some classes in Magento 2 implement the NoninterceptableInterface interface, which prevents plugins from being generated for them. The Magento\Framework\App\cache\Proxy class is one of them, as it extends from Magento\Framework\ObjectManager\NoninterceptableInterface. Therefore, the plugin is not executing as expected because the target class implements NoninterceptableInterface. Verified Reference: https://devdocs.magento.com/guides/v2.3/extension-dev-guide/plugins.html
NEW QUESTION # 52
There is an integration developed using a cron service that runs twice a day, sending the Order ID to the integrated ERP system if there are orders that are able to create an invoice. The order is already loaded with the following code:
$order = $this->orderRepository->get($orderId);
In order to verify if the store has invoices to be created, what implementation would the Adobe Commerce developer use?
- A.
- B.
- C.
Answer: C
Explanation:
The developer can use the canInvoice method of the order object to check if the order can be invoiced or not. This method returns true if the order has a state of new, processing, or payment review and has not been fully invoiced yet. The developer can use this method in a conditional statement to send the order ID to the ERP system only if the order can be invoiced. Verified Reference: [Magento 2.4 DevDocs] [Magento Stack Exchange]
NEW QUESTION # 53
An Adobe Commerce Developer wishes to add an action to a pre-existing route, but does not wish to interfere with the functionality of the actions from the original route.
What must the developer do to ensure that their action works without any side effects in the original module?
- A. In the route declaration, use the before or after parameters to load their module in before or after the original module.
- B. Inject the new action into the standard router constructor's $actiomist parameter.
- C. Add the action into to the controllers/front_name/ in My.Module, Magento will automatically detect and use it.
Answer: A
Explanation:
To add an action to a pre-existing route without interfering with the functionality of the original route, the developer must use the before or after parameters in the route declaration. This will load the developer's module in before or after the original module, respectively.
For example, the following code would add an action to the my_module/index route before the action from the original module:
<route id="my_module/index">
<before>my_module_before</before>
<action class="MyModule\Controller\Index">
<arguments>
<argument name="context" type="Magento\Framework\App\Action\Context"/>
</arguments>
</action>
</route>
The my_module_before action would be executed before the MyModule\Controller\Index action, which would allow the developer to perform any necessary setup before the original action is executed.
NEW QUESTION # 54
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