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NEW QUESTION # 18
A Developer needs to set up a message queue topic in Adobe Commerce to asynchronously handle order processing.
Which XML file should the Developer use to configure this?
- A. queue_topology.xml
- B. communication.xml
- C. queue_consumer.xml
Answer: B
Explanation:
The communication.xml file is used to define message queue topics and link publishers with subscribers. This is required when setting up asynchronous handling for events such as order processing.
B (queue_topology.xml): Defines queue and exchange structure.
C (queue_consumer.xml): Defines consumers for queues but does not declare topics.
A is correct: communication.xml is the right file for defining topics.
Reference:
Adobe Commerce DevDocs - communication.xml reference
In Adobe Commerce's Message Queue Framework (MQF), several XML configuration files are used, each with a specific purpose:
communication.xml # Defines message queue topics and the messages they carry.
Topics represent logical channels that connect publishers and consumers.
Example: An order placement event may publish a message to a topic like order.processing.
queue_topology.xml # Defines the relationship between topics and queues.
Maps a topic to one or more queues.
Specifies routing and exchange bindings.
queue_consumer.xml # Defines consumers that process messages from queues.
Each consumer is a PHP class responsible for handling a message pulled from a queue.
Since the question specifically asks about setting up a topic (not the routing or consumer), the correct configuration file is communication.xml.
Official Documentation Extracts:
"The communication.xml file defines the messages and topics in the message queue framework."- Adobe Commerce DevDocs: Message queues configuration
"Use queue_topology.xml to bind topics to queues and define exchanges."- Message Queues: Topology configuration
"Consumers are defined in queue_consumer.xml. A consumer listens to a queue and processes incoming messages."- Message Queues: Consumer configuration
NEW QUESTION # 19
An Adobe Commerce Developer is tasked to frequently send data to a third-party API. The API utilizes a JSON Web Token (JWT) that expires every hour. The developer decides to store the JWT in a custom cache.
Which step should the Developer take to implement this new custom cache type correctly?
- A. Define the custom cache type directly in system.xml at the website level.
- B. Define the custom cache type in the di.xml, ensuring the cache model implements CacheInterface.
- C. Define the custom cache type in cache.xml with a unique name and instance.
Answer: C
Explanation:
To create a custom cache type in Adobe Commerce:
Define the cache type in etc/cache.xml with a unique ID and class instance.
This ensures Magento recognizes the cache type and allows managing it with cache commands.
Option A is incorrect; DI configuration is not where cache types are defined.
Option C is wrong; system.xml defines admin configurations, not cache types.
Reference:
Adobe Commerce DevDocs - Custom cache types
NEW QUESTION # 20
A client wants to calculate tax differently when an order is billed for a range of particular postcodes. They want to implement their own system instead of using a third-party system. The Developer is asked to assist in this task by creating a conditional webhook.
What must be done to achieve this?
- A. Create an after plugin on the webhook class and check for a list of postcodes at the time of processing and returning true for certain postcodes.
- B. Create a webhooks.xml file and add the rules wanted in the form of a rule node element using the regex operator to catch a range of postcodes.
- C. Implement a new webhook with a list postcodes and link it to the original webhook, then advise the client to monitor for the new webhook instead.
Answer: B
NEW QUESTION # 21
A client receives an alert stating that storage on their production environment is nearly full. They are using Pro architecture and are concerned about storage capacity. A Developer is asked to increase the disk size.
How should this problem be solved?
- A. Extend their Adobe license.
- B. Open a ticket with Adobe support.
- C. Modify the magento.app.yaml file.
Answer: B
Explanation:
In Adobe Commerce Cloud Pro environments, disk allocation is provisioned at the infrastructure level and cannot be changed directly by developers. Increasing disk size requires assistance from Adobe's Cloud Ops team via a support ticket.
A (license extension) is unrelated to storage.
B (magento.app.yaml) configures services and resources but cannot increase allocated disk space.
C is correct: Adobe support ticket is required.
Reference:
Adobe Commerce Cloud DevDocs - Request support for Pro environments
NEW QUESTION # 22
While implementing additional functionality, a Developer needs to modify a class with protected and private methods requiring custom logic. The Developer finds that no other Magento customization, such as plugins, will work.
What should the Developer do in this scenario?
- A. Use a preference and extend the original class.
- B. Use an observer to customize data processed by the class.
- C. Use a patch to implement the necessary customizations.
Answer: A
NEW QUESTION # 23
In an Adobe Commerce store, there is a product attribute called external_service_id. A Developer must ensure the attribute is only available for specific users via the API.
How should the Developer achieve the required permissions?
- A. Configure the access control list (ACL) resource for the external_service_id attribute via etc
/extension_attributes.xml. - B. Setup a custom permission control at the attribute level because it is not supported out of the box.
- C. Implement an afterGet plugin and exclude the attribute for non-authorized users.
Answer: B
Explanation:
Out of the box, Adobe Commerce does not support per-attribute ACL permissions. ACL resources can restrict access to API endpoints or modules, but not individual product attributes.
Therefore, to restrict access to a specific attribute like external_service_id, the developer must implement custom permission control logic.
A is incorrect: ACL works at module/controller/service contract level, not per attribute.
C (plugin) could work but is not the correct principle-driven answer, as it is a workaround rather than attribute-level permission management.
Reference:
Adobe Commerce DevDocs - API ACL and permissions
Official note: Attribute-level ACL is not supported natively and requires custom implementation.
NEW QUESTION # 24
A customer asks for a new functionality which will allow them to see the total lifetime sales statistic of a product. This new data is to be made available for the API and traditional product exports. The technical architect of the company servicing the client decides that for this to be achieved, the first step is for an Extension Attribute to be created.
What are the next two steps that need to be taken? (Choose two.)
- A. Declare the extension attribute in etc/webapi_rest/extension_attributes.xml.
- B. Declare the extension attribute in etc/extension_attributes.xml.
- C. Implement an after plugin on the Product Repository.
- D. Implement an around plugin on the Product Repository.
Answer: B,C
Explanation:
To expose a new field via an Extension Attribute:
C # Declare the extension attribute in etc/extension_attributes.xml.
D # Implement an after plugin on the Product Repository to populate the new attribute with custom logic (in this case, lifetime sales).
A is incorrect: etc/webapi_rest/extension_attributes.xml does not exist (only extension_attributes.xml is valid).
B is incorrect: around plugins are discouraged here and unnecessarily complicate service contract extensions.
Reference:
Adobe Commerce DevDocs - Extension attributes
NEW QUESTION # 25
An Adobe Commerce Developer creates a before plugin for the save() method from the Magento\Framework\App\Cache\Proxy class to manipulate with cache identifiers and data before it is saved to the cache storage. An example of the code is shown below:
namespace Magento\Framework\App\Cache;
use Magento\Framework\App\Cache\CacheInterface;
use Magento\Framework\ObjectManager\NoninterceptableInterface;
class Proxy implements
CacheInterface,
NoninterceptableInterface
{
...
public function save($data, $identifier, $tags = [], $lifeTime = null)
{
return $this->getCache()->save($data, $identifier, $tags, $lifeTime);
}
...
}
Why is the plugin not working as expected?
- A. An around plugin defined for the same function prevents the execution.
- B. An after plugin defined for the same function affects the results.
- C. The plugin cannot be created for this class.
Answer: C
NEW QUESTION # 26
An Adobe Commerce Cloud client alerts a Developer to an issue with their website going down during deployments.
What should the Developer do to solve this problem?
- A. In the cloud env configuration YAML file, the static content deploy strategy must be defined in the build phase.
- B. In the cloud app configuration YAML file, the deployment strategy must be defined in the global phase.
- C. From the Adobe Commerce Cloud console, the zero downtime deployment checkbox must be selected for the project.
Answer: A
NEW QUESTION # 27
A Developer is notified that custom API results are not cached, which is causing additional delays.
What are two potential causes for this behavior? (Choose two.)
- A. The request is using HTTP GET.
- B. The request is using HTTP PUT.
- C. The request is using HTTP POST.
- D. The request is using HTTP HEAD.
Answer: B,C
Explanation:
Adobe Commerce API caching (including GraphQL and REST) works only for idempotent requests such as HTTP GET.
C (POST) and D (PUT) are not cacheable because they are used for creating or updating resources.
A (GET) is cacheable.
B (HEAD) is technically idempotent, but not commonly used in Adobe Commerce APIs.
Reference:
Adobe Commerce DevDocs - Web API caching
HTTP/1.1 RFC 7231 - Cacheable methods
NEW QUESTION # 28
A Developer working on a Magento 2 store needs to modify the Content Security Policy (CSP) to allow loading of images from a trusted external domain while maintaining strict policies for other resources. To accomplish this, the csp_whitelist.xml file must be updated.
Which code snippet should the Developer use to update the CSP configuration?
- A. XML
<policies>
<policy id="default-src">
<values>
<value id="trusted_image" type="host">website.com</value>
</values>
</policy>
</policies> - B. XML
<policies>
<policy id="img-src">
<values>
<value id="trusted_image" type="host">website.com</value>
</values>
</policy>
</policies> - C. XML
<csp>
<policies>
<policy id="media-src">
<values>
<value id="trusted_image" type="host">website.com</value>
</values>
</policy>
</policies>
</csp>
Answer: B
NEW QUESTION # 29
A client requests changes to their Pro Staging and Production environments. They supply a Developer with different domains for new websites to be created with the goal of expanding operations to multiple countries, doubling the current number of SKUs, and adding more customer groups.
Which two issues should the Developer anticipate based on the requested changes? (Choose two.)
- A. Recreate hierarchy navigation for every new website.
- B. Multiple websites may require duplicating custom functionality for each store, which increases code redundancy.
- C. Catalog data expands as the number of websites and stores are increased.
- D. Additional stores can lead to a longer indexing process and slower response times for noncached catalog pages.
Answer: C,D
Explanation:
When new websites and stores are added in Adobe Commerce:
The catalog data expands because product, price, inventory, and configuration data must be stored per website
/store (B).
Indexing becomes more complex as indexers must recalculate data per website/store, which can increase indexing times and slow down noncached catalog pages (C).
A is incorrect because navigation hierarchy is managed via categories, not recreated per website automatically.
D is incorrect because Magento code is shared across stores; functionality is not duplicated per store.
Reference:
Adobe Commerce DevDocs - Indexing overview
Adobe Commerce Architecture Guide - Multi-store setups
NEW QUESTION # 30
A Developer working on an Adobe Commerce Cloud project encounters an issue with the database service that requires investigation. To troubleshoot the issue, the Developer decides to securely access the cloud services from the local machine to directly interact with the services and run diagnostic commands.
Which command step is required to achieve this?
- A. Use the magento-cloud tunnel:open command to access the cloud services.
- B. Use the magento-cloud service:connect command to access the cloud services.
- C. Use the php bin/magento cloud:tunnel:connect command to access the cloud services.
Answer: A
NEW QUESTION # 31
A Developer discovers that inline scripts are no longer working. This issue occurred after upgrading to the latest version of Adobe Commerce. When checking the console, the errors indicate that the scripts are not allowed to execute.
The following is an example script:
<div id="action-div" onclick="someComponent('title')">Action</div>
How should the Developer adapt the script to run properly according to security practices?
- A. <?php echo $escaper->renderSecureTag('<div id="action-div" onclick="someComponent(\'title\')"
>Action</div>'); ?> - B. <?php echo $secureRenderer->renderEventListenerAsTag('onclick', 'someComponent(\'title\')', '#action- div'); ?>
- C. <?php echo $block->renderAllowedElement('<div id="action-div" onclick="someComponent(\'title\')"
>Action</div>'); ?>
Answer: B
Explanation:
Since Magento 2.3.5, inline JavaScript is restricted by default due to stricter Content Security Policy (CSP) enforcement. Developers must use the SecureHtmlRenderer class to safely render inline event listeners.
Option C correctly uses $secureRenderer->renderEventListenerAsTag() to safely attach the onclick event listener to #action-div.
Options A and B are invalid or unsupported for this purpose.
Reference:
Adobe Commerce DevDocs - Secure HTML rendering
NEW QUESTION # 32
A new critical security vulnerability is found on Adobe Commerce Cloud. The successful exploitation may lead to arbitrary code execution, so the Developer must apply a security patch file given by Adobe as soon as possible to ensure system security.
How should the Developer apply the security patch on Adobe Commerce hosted on cloud infrastructure according to best practices?
- A. Copy a security patch to m2-hotfixes directory.
- B. Upgrade Adobe Commerce to the latest security patch release.
- C. Apply a security patch using composer.json.
Answer: A
Explanation:
On Adobe Commerce Cloud, the best practice for urgent fixes is to place the patch file into the m2-hotfixes directory at the root of the project. Patches in this directory are automatically applied during the Cloud build and deploy process.
Option A (composer.json) applies to composer-based patches in on-premise installations, not the recommended cloud approach.
Option C (upgrade to latest release) is ideal for long-term but not feasible for urgent fixes that must be applied immediately.
Reference:
Adobe Commerce Cloud DevDocs - Apply patches
NEW QUESTION # 33
A Developer applies multiple quality patches to an Adobe Commerce Cloud store. After deployment, the Developer discovers that one of the patches is causing issues.
What is the correct procedure to safely remove or revert the problematic quality patch?
- A. Delete the quality patch from the file magento.app.yaml.
- B. Delete the quality patch from the file magento.env.yaml.
- C. Execute command in magento-cloud.php /vendor/bin/ecc-patches:revert <patch-id>.
Answer: C
NEW QUESTION # 34
A customer wants their Adobe Commerce Cloud platform to be upgraded to the latest available official version. They would like to assess the compatibility of their current version compared to the upgraded version.
How should the Developer gather this information and compile an upgrade plan for the customer?
- A. Run the command bin/magento upgrade:compatibility:report to export the needed information.
- B. Familiarize themself with the minimum system requirements of Adobe Commerce.
- C. Run the Site-Wide Analysis Tool (SWAT) which provides detailed information on the system.
Answer: A
Explanation:
Adobe Commerce provides a built-in Upgrade Compatibility Tool (UCT) that allows developers to check for potential code incompatibilities before performing a version upgrade.
The UCT:
* Analyzes the current codebase against the target upgrade version.
* Reports on deprecated classes, methods, and APIs that could break during the upgrade.
* Produces a compatibility report (HTML/CSV/JSON) that can be shared with customers as part of the upgrade plan.
This tool is specifically designed to help developers assess upgrade risks and is the official Adobe Commerce-recommended method for preparing upgrade assessments.
* Option A (SWAT): The Site-Wide Analysis Tool provides performance, configuration, and health insights, but it does not analyze code compatibility for upgrades.
* Option B (minimum system requirements): This ensures the environment is technically capable of running the new version but does not provide insights into custom code and extension compatibility.
Official Documentation Extracts:
* "The Upgrade Compatibility Tool helps you identify potential issues in your custom code when upgrading to a new Adobe Commerce release. It scans your codebase and produces a report highlighting possible code changes that may be required."- Adobe Commerce DevDocs: Upgrade Compatibility Tool
* "Run bin/magento upgrade:compatibility:report to generate the upgrade compatibility report. The report provides details about deprecated and removed code, APIs, and incompatibilities."- Adobe Commerce CLI Reference
NEW QUESTION # 35
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