Updated Free Adobe AD0-E724 Test Engine Questions with 148 Q&As
The Best Adobe Commerce AD0-E724 Professional Exam Questions
NEW QUESTION # 55
How can a developer prioritize a plugin's execution, if possible?
- A. The developer can use sortOrder property by specifying a lower value than the target plugin.
- B. This cannot be achieved as the plugins are always executed by their module's load order in app/etc
/config.php file. - C. The developer can use sortOrder property by specifying a higher value than the target plugin.
Answer: A
Explanation:
A developer can prioritize the execution of a plugin by using thesortOrderproperty within the plugin's declaration in thedi.xmlfile. Specifying a lower value for thesortOrderproperty gives the plugin higher priority, meaning it will be executed before other plugins with a higher sortOrder value. This allows developers to control the order of plugin execution, which can be critical for ensuring the desired outcome when multiple plugins are affecting the same method.
NEW QUESTION # 56
A message queue currently has queue/consumer-wait-for-messages set to true, which allows the consumer process to run until a message is inserted into the queue. A piece of functionality is driven by data stored in the model
\Magento\variable\Model\variable and this value is only loaded once during the consumer run. If the variable is updated we want the consumer to restart so that the new value is loaded into memory without having to reload the variable on each message consumed.
The Adobe Commerce developer has created an after plugin on the \Magento\Variable\Model\variable:: save() function.
How would the developer use the plugin to trigger the consumer restart?
- A. Call the function \Magento\Framework\MessageQueue\Consumers\TriggerRe5tartInterface:trigger().
- B. Set the global Cache key trigger_consumer_restart t0 1.
- C. Call the function \Magento\Framework\MessageQueue\PoisonPill\Poi5onPillPutInterface::put().
Answer: C
Explanation:
In Adobe Commerce, when a consumer process needs to restart, the PoisonPillPutInterface can be used. The put() method of this interface triggers a "poison pill," which signals running consumers to restart. This is particularly useful when updated data needs to be reloaded into memory, as in this scenario with the
\Magento\Variable\Model\Variable.
Poison Pill Mechanism:
The poison pill method tells the message queue consumer to stop its current process and restart, allowing it to pick up any configuration or data changes that occurred since the last start.
Why Option A is Correct:
By calling PoisonPillPutInterface::put(), the consumer will receive a restart signal, which is ideal for cases where data loaded at the beginning of the consumer's lifecycle must be updated.
Option B is incorrect because TriggerRestartInterface::trigger() does not exist in the Magento framework.
Option C is also incorrect as setting a cache key alone does not trigger a consumer restart.
Implementation:
Use an after plugin on the save() method to trigger PoisonPillPutInterface::put() after the variable is saved.
NEW QUESTION # 57
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 A
- B. Option C
- C. Option B
Answer: B
Explanation:
To add file upload validation for a custom form field in the Adobe Commerce admin panel, which should restrict the file type to .pdf and limit the file size to 2 MB, the recommended approach is to include the validation parameters directly within the <settings> node in the form'sXML configuration. This ensures that the validation occurs on the client-side as well as server-side, providing immediate feedback to users before submission.
Option C is correct for the following reasons:
* Adding Validation Inside <settings>:By placing the <allowedExtensions> and <maxFileSize> tags within the <settings> node of the XML configuration, the system will enforce these restrictions directly within the form component. This method leverages Magento's built-in support for validation settings, which ensures that only files matching the specified criteria (.pdf files of 2 MB or smaller) are accepted by the form.
* Explanation: Magento UI components allow for client-side validation through the <settings> node, where attributes such as allowedExtensions and maxFileSize are used to control file upload constraints. This approach not only validates the file size and type but also integrates seamlessly with Magento's front-end validation mechanisms.
NEW QUESTION # 58
Under which section should the soft dependency for a module be listed in app/code/<Vendor>/<Module>
/composer.json file?
- A. }
optional": { - B. }
- C. suggest*: {
- D. }
soft": {
Answer: C
Explanation:
Soft dependencies for a module should be listed under the "suggest" section in thecomposer.jsonfile of the module. This section is used to list packages that enhance or work well with the module but are not strictly required for the module to function. By using the "suggest" section, developers can inform others about optional packages that could improve functionality or integration with the module, without making them mandatory dependencies.
NEW QUESTION # 59
Which command can be used to display a full list of enabled and disabled Magento modules?
- A. bin/magento module:all
- B. bin/magento modulestatus
- C. bin/magento module:show
Answer: B
Explanation:
The command to display a full list of enabled and disabled Magento modules isbin/magento module:status.
This command provides a comprehensive overview of all modules within the Magento instance, categorizing them into enabled and disabled modules. This information is crucial for debugging and development purposes, as it allows developers to quickly understand which components of Magento are active and which are not, facilitating troubleshooting and configuration adjustments.
NEW QUESTION # 60
An Adobe Commerce developer is about to deploy a critical feature to their Adobe Commerce Cloud (Pro Plan) production. They want to create a snapshot in order to be able to rollback if there is an issue with the feature.
How would they create the snapshot?
- A. Use the dedicated button on Project Web Interface.
- B. Use the Cloud CLI for Commerce dedicated command.
- C. Create a ticket to Adobe Commerce Cloud support.
Answer: B
Explanation:
To create a snapshot before deploying changes in Adobe Commerce Cloud (Pro Plan), the recommended approach is to use the Cloud CLI, which provides a dedicated command for creating snapshots. This allows for quick rollback if any issues arise post-deployment.
* Creating a Snapshot with Cloud CLI:
* The Adobe Commerce Cloud CLI tool includes commands for managing snapshots, which capture the current state of code and data, ensuring you have a restore point before making critical changes.
* Why Option B is Correct:
* The Cloud CLI is the most direct way to create a snapshot, giving developers control over when and how snapshots are generated. Option A is incorrect as there is no button for snapshot creation in the Web Interface, and Option C is unnecessary as support is not required to create a snapshot.
NEW QUESTION # 61
A seller would like to offer an electronic version of an album by selling each song individually. Which layout can be used to customize a product page layout for this item?
- A. catalog_product_view_type_configurable
- B. catalog_product_view_type_downloadable
- C. catalog_product_view_category
Answer: B
Explanation:
Thecatalog_product_view_type_downloadablelayout can be used to customize a product page layout for a downloadable product. This layout includes the product details, the product reviews, and the download links for the product's files.
For selling electronic versions of albums with individual songs, the downloadable product type in Adobe Commerce is appropriate. To customize the product page layout specifically for downloadable items, the layout handlecatalog_product_view_type_downloadableis used. This layout handle allows developers to target downloadable products specifically and apply custom layouts or templates, making option A correct.
NEW QUESTION # 62
An Adobe Commerce Developer has written an importer and exporter for a custom entity. The client is using this to modify the exported data and then re-importing the file to batch update the entities.
There is a text attribute, which contains information related to imagery in JSON form, media_gallery. This is not a field that the client wants to change, but the software they are using to edit the exported data seems to be modifying it and not allowing it to import correctly.
How would the developer prevent this?
A) Specify a serializer class for the attribute using the $_transformAttrs class property array for both the exporter and importer so it gets converted:
B) Strip the attribute from the imported file by adding it to the s_strippedAttrs class property array:
C) Prevent it from being exported by adding it to the $_disat>iedAttrs class property array:
- A. Option A
- B. Option C
- C. Option B
Answer: B
Explanation:
To prevent the media_gallery attribute from being exported as part of the custom entity's data, the developer should add this attribute to the $_disabledAttrs class property array. This effectively excludes the attribute from the export process, ensuring that it does not appear in the exported file and thus will not be modified or re-imported inadvertently.
Option C is correct for the following reasons:
* Preventing Export with $_disabledAttrs:Adding media_gallery to the $_disabledAttrs array tells the system to skip this attribute during export. This prevents the attribute from being included in the export file, thus removing the risk of it being altered by external software that handles the file. Since the attribute will not be present in the exported data, it will remain unchanged in the database when re- importing.
* Explanation: The $_disabledAttrs property is specifically designed to exclude certain attributes from the export process. By using this property, you ensure that attributes not intended for editing or visibility in exports are safely omitted, maintaining data integrity.
NEW QUESTION # 63
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 a crontab.xmi file and set a schedule for the new cron job.
- B. Create crontab.xmi and cron_groups.xmi files to assign the new job to a cron group.
- C. Create a crontab.xmi file and a new system configuration in system.xmi for the schedule.
Answer: A
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 References:https://devdocs.magento.com/guides
/v2.3/config-guide/cli/config-cli-subcommands-cron.html
To set up a new cron job in Adobe Commerce, you need to define it in the crontab.xml file. This file is essential to schedule cron tasks and is all that's required for simple cron job configurations. You specify the cron job schedule, method, and class in this file.
Here's a minimal example of crontab.xml:
<?xml version="1.0"?>
<config
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:
magento:module:Magento_Cron:etc/crontab.xsd"
>
<group id="default">
<job name="your_custom_cron_job" instance="Vendor\Module\Cron\YourJob" method="execute">
<schedule>0 * * * *</schedule> <!-- Runs every hour -->
</job>
</group>
</config>
* group id: This specifies the cron group; "default" is commonly used, but you can define custom groups in cron_groups.xml if necessary.
* job: Defines the cron job, with name, instance (path to the class), and method attributes.
* schedule: Uses standard cron expressions to specify the frequency.
Additional Resources:
* Adobe Commerce Developer Guide: Cron Jobs
* Magento 2 Crontab XML Configuration
NEW QUESTION # 64
On an Adobe Commerce Cloud platform, at what level is the variable env: composer_auth located in the Project Web Interface?
- A. In the Environment-specific variables.
- B. In the Project variables.
- C. In the Integration variables.
Answer: B
Explanation:
The variable env: composer_auth is located in the Project variables section in the Project Web Interface. This variable is used to store the authentication credentials for Composer repositories that require access keys or tokens. The developer can set this variable at the project level to apply it to all environments, or override it at the environment level if needed. Verified References: [Magento 2.4 DevDocs] 2
NEW QUESTION # 65
What does a URL Rewrite do?
- A. It updates the URL to a domain that is not being Indexed.
- B. It updates the URL that is stored on the server.
- C. It changes the way a URL appears in the browser
Answer: C
Explanation:
A URL Rewrite in Magento changes the way a URL appears in the browser. This is particularly useful for improving the readability and SEO of a URL. For example, a URL rewrite can be used to transform a long and complex URL into a shorter and more user-friendly version. It's important to note that while a URL rewrite changes the URL's appearance in the browser, it doesn't change the actual location of the resource on the server. This distinction is crucial for understanding how Magento handles URL rewrites and redirects, facilitating a more intuitive navigation structure within the store without altering the underlying server resources.
NEW QUESTION # 66
Which action, if any, should be taken to enable filtering by attribute in the category's layered navigation?
- A. Set the category's "Anchor' display setting to "yes".
- B. Select "With layered navigation" from the category's display mode
- C. Filtering by the attribute is enabled for every category automatically.
Answer: A
Explanation:
To enable filtering by attribute in a category's layered navigation, you should set the category's "Is Anchor" setting to "Yes". This setting is found in the category's display settings within the admin panel. When a category is set as "Anchor", Magento will automatically include filtering options in the layered navigation block for all attributes that are configured to be used in layered navigation.
NEW QUESTION # 67
An Adobe Commerce Cloud developer wants to check the staging environment deployments history (i.e.
branch, git, merge, sync). Where can the developer look up the history of the staging environment?
- A. New Relic
- B. Project Web Interface
- C. Adobe Commerce admin panel
Answer: B
Explanation:
The Project Web Interface is the main dashboard for managing Adobe Commerce Cloud projects. This includes the ability to check the staging environment deployments history.
The developer can look up the history of deployments to the staging environment, including branch, git merge, and sync operations, in the Project Web Interface. This interface provides adetailed log of all actions taken on the project, including deployments, enabling developers to track changes and troubleshoot issues that may arise.
NEW QUESTION # 68
When attempting operations that require lengthy processing, a merchant on Adobe Commerce Cloud receives a timeout error after 180 seconds.
How would the developer deal with this issue?
- A. 1. Modify admin timeout into app/etc/config.php file.
2. Commit and push that code from the local environment.
3. Submit a support ticket to apply the changes. - B. 1. Modify admin timeout into .magento.app.yamifile.
2. Commit and push that code from the local environment.
3. Move code to Production environment. - C. 1. In the Fastly Configuration section > Advanced Configuration.
2. Set the Admin path timeout value in seconds.
3. Save config and Upload VCL to Fastly.
Answer: C
Explanation:
The developer can deal with this issue by modifying the admin path timeout value in seconds in the Fastly Configuration section > Advanced Configuration in the Admin Panel. Fastly is a cloud-based caching service that improves site performance and security for Adobe Commerce Cloud projects. Fastly has a default timeout value of 180 seconds for admin requests, which means that any request that takes longer than 180 seconds will be terminated and result in a timeout error. The developer can increase this value to allow longer processing time for admin requests without causing errors. The developer also needs to save the configuration and upload VCL to Fastly to apply the changes. Verified References: [Magento 2.4 DevDocs]
NEW QUESTION # 69
Which theme directory contains the static files that can be loaded directly?
- A. web
- B. assets
- C. preprocessed
Answer: A
Explanation:
Thewebdirectory contains the static files that can be loaded directly. This directory includes files such as CSS, JavaScript, and images.
In Adobe Commerce themes, thewebdirectory is used to store static files such as CSS, JavaScript, images, and fonts. These files can be loaded directly by the browser. Thepreprocessedandassetsdirectories do not exist as standard directories in the theme structure for containing directly loadable static files.
NEW QUESTION # 70
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