UPDATED [2024] Pass Adobe AD0-E716 Exam in First Attempt Guaranteed
Pass AD0-E716 Exam Latest Practice Questions
Adobe AD0-E716 Exam Syllabus Topics:
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NEW QUESTION # 16
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 three
2. Set the ENV.ENVIRONMENT in .magento.env.yaml to ENHANCEDJNTEGRATION - B. 1. Limit the number of Integration branches to four
2. Configure integration environments in the cloud GUI and set the Enhanced switch to On - 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 # 17
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 $_disat>iedAttrs class property array:
- A. Option A
- B. Option B
- C. Option C
Answer: A
Explanation:
The _transformAttrs class property array of the importer and exporter classes can be used to specify a serializer class for a particular attribute. The serializer class will be used to convert the attribute value from one format to another when the data is exported or imported.
In this case, the developer can specify a serializer class that will convert the JSON data in the media_gallery attribute to a string. This will prevent the software that the client is using to modify the exported data from changing the JSON data.
The following code shows how to specify a serializer class for the media_gallery attribute:
PHP
class MySerializer
{
public function serialize($value)
{
return json_encode($value);
}
public function deserialize($value)
{
return json_decode($value);
}
}
$importer->setSerializer('media_gallery', MySerializer::class);
$exporter->setSerializer('media_gallery', MySerializer::class);
Once the serializer class has been specified, the JSON data in the media_gallery attribute will be converted to a string when the data is exported or imported. This will prevent the software that the client is using to modify the exported data from changing the JSON data.
NEW QUESTION # 18
On an Adobe Commerce Cloud platform, in which order does the ECE-Tools package apply patches?
- A. 1. Custom patches in the /m2-hotfixes directory in alphabetical order by patch name.
2. All required Magento patches included in the Cloud Patches for Commerce package.
3. Selected optional Magento patches included in the Quality Patches Tool. - B. 1. All required Magento patches included in the Cloud Patches for Commerce package.
2. Custom patches in the /m2-hotfixes directory in alphabetical order by patch name.
3. Selected optional Magento patches included in the Quality Patches Tool. - C. 1. All required Magento patches included in the Cloud Patches for Commerce package.
2. Selected optional Magento patches included in the Quality Patches Tool.
3. Custom patches in the /m2-hotfixes directory in alphabetical order by patch name.
Answer: C
Explanation:
The order in which the ECE-Tools package applies patches is as follows:
All required Magento patches included in the Cloud Patches for Commerce package.
Selected optional Magento patches included in the Quality Patches Tool.
Custom patches in the /m2-hotfixes directory in alphabetical order by patch name.
The ECE-Tools package is a set of scripts and tools designed to manage and deploy Adobe Commerce Cloud projects. The Cloud Patches for Commerce package is a dependency of ECE-Tools that provides a set of required patches for Magento core issues that affect Adobe Commerce Cloud functionality. The Quality Patches Tool is an optional tool that allows developers to apply individual patches for specific Magento issues without waiting for a full product release. The /m2-hotfixes directory is a directory where developers can place their own custom patches for their Adobe Commerce Cloud projects. Verified Reference: [Magento 2.4 DevDocs]
NEW QUESTION # 19
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\PoisonPill\Poi5onPillPutInterface::put().
- B. Call the function \Magento\Framework\MessageQueue\Consumers\TriggerRe5tartInterface:trigger().
- C. Set the global Cache key trigger_consumer_restart t0 1.
Answer: B
Explanation:
The developer can use the plugin to trigger the consumer restart by calling the function \Magento\Framework\MessageQueue\Consumers\TriggerRe5tartInterface:trigger(). This function will write a flag to the cache storage that will be checked by the consumer process. If the flag is set, the consumer process will terminate itself and restart with the updated configuration. Verified Reference: [Magento 2.4 DevDocs] 1
NEW QUESTION # 20
An Adobe Commerce developer has created a new shipping carrier Everything has been implemented and the collectRates() and getAllowedMethodsQ functions can be seen below:
Given the above code, what would be the displayed cost of the shipping method and final amount charged to the customer?
- A. The shipping method would display SO but customers would pay a $10 handling fee for their order.
- B. The shipping method would display $10 and customers would pay $10 for using the new shipping method.
- C. The shipping method would display $0 and customers would pay $0 for using the new shipping method.
Answer: B
Explanation:
The shipping method would display $10 and customers would pay $10 for using the new shipping method. This is because the collectRates method sets the price and cost of the shipping method to 10 in the result object. The price is what is shown to the customer on the frontend and the cost is what is charged to the customer when they place the order. The handling fee is not used in this case because it is set to zero in the config.xml file. Verified Reference: [Magento 2.4 DevDocs] [Magento Stack Exchange]
NEW QUESTION # 21
An Adobe Commerce developer is developing a custom module. As part of their implementation they have decided that all instances of their Custom\Module\Model\Example class should receive a new instance of Magento\Filesystem\Adapter\Local.
How would the developer achieve this using di. xml?
- A.
- B.
- C.
Answer: C
Explanation:
The developer can achieve this by adding the following configuration to their di.xml file:
XML
<config>
<component name="Custom\Module\Model\Example" factory="Custom\Module\Model\ExampleFactory">
<arguments>
<argument name="filesystemAdapter" type="Magento\Filesystem\Adapter\Local" />
</arguments>
</component>
</config>
This configuration will ensure that all instances of the Custom\Module\Model\Example class will receive a new instance of the Magento\Filesystem\Adapter\Local class.
NEW QUESTION # 22
During database migration in the Adobe Commerce Cloud integration environment, a developer experienced a disk space error causing the database import to fail.
How would the developer fix this issue?
- A. Increase the disk space of the database service.
- B. Change the database engine to PostgreSQL that has no disk space limit.
- C. Add a new database node and enable split database.
Answer: A
Explanation:
The developer can fix this issue by increasing the disk space of the database service. The database service is one of the services that run on the Adobe Commerce Cloud platform and provide functionality for the application. The database service uses MySQL as the database engine and stores data for products, customers, orders, etc. The disk space of the database service determines how much data can be stored and processed by the database. If the disk space is insufficient, the database import can fail with a disk space error. The developer can increase the disk space of the database service by modifying the .magento/services.yaml file and redeploying the environment. Verified Reference: [Magento 2.4 DevDocs]
NEW QUESTION # 23
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: A
Explanation:
To ensure that the developer's observer runs after the observer defined by the third-party module, they need to set the sort order of the new observer to be less than that of the third-party vendor's observer.
The sort order is a number that is assigned to each observer. The lower the number, the earlier the observer will be executed.
For example, if the third-party vendor's observer has a sort order of 10, the developer's observer would need to have a sort order of 9 or lower.
NEW QUESTION # 24
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 a new system configuration in system.xmi for the schedule.
- B. Create a crontab.xmi file and set a schedule for the new cron job.
- C. Create crontab.xmi and cron_groups.xmi files to assign the new job to a cron group.
Answer: B
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 # 25
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. frame-src and script-src
- B. frame-ancestors and connect-src
- C. default-src and object-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 # 26
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 \Magento\Framework\Api\SearchCriteria\CollectionProcessorInterface: :process(). Iterate through the $searchCriteria provided for supplier_id, and if found, apply the needed join and filter to the passed scollection.
- B. Add a CUStOm filter to the Virtual type "agento\Catalog\Model\Api\SearchCriteria\CollectionProcessor\ProductFilterProce5sor for supplier_id field. In the custom filter, apply the needed join and filter to the passed $collection.
- C. Write a before plugin on \Hagento\catalogVtodel\ProductRepository: :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.
Answer: B
Explanation:
The developer can add a custom filter to the virtual type Magento\Catalog\Model\Api\SearchCriteria\CollectionProcessor\ProductFilterProce5sor 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 Reference: [Magento 2.4 DevDocs] [Magento Stack Exchange]
NEW QUESTION # 27
An international merchant is complaining that changes are taking too long to be reflected on the frontend after a full product import.
Thinking it may be database issues, the Adobe Commerce developer collects the following entity counts:
* Categories: 900
* Products: 300k
* Customers: 700k
* Customer groups : 106
* Orders: 1600k
* Invoices: 500k
* Creditmemos: 50k
* Websites : 15
* Stores : 45
What is a probable cause for this?
- A. The combination of the number of products, customer groups and websites is too big. This leads to a huge amount of values being stored in the price index which is too large to be processed at a normal speed.
- B. The combination of the number of products, categories and stores is too big. This leads to a huge amount of values being stored in the flat catalog indexes which are too large to be processed at a normal speed.
- C. The combination of the number of orders, customers, invoices and creditmemos is too big. This leads to a huge amount of values being stored in the customer grid index which is too large to be processed at a normal speed.
Answer: A
Explanation:
The probable cause for the delay in reflecting the changes on the frontend after a full product import is the combination of the number of products, customer groups and websites. This leads to a huge amount of values being stored in the price index which is too large to be processed at a normal speed. The price index calculates the final price of each product for each customer group and website, taking into account various factors such as tax, discounts, catalog price rules, etc. When there are many products, customer groups and websites, the price index becomes very complex and time-consuming to update. Verified Reference: [Magento 2.4 DevDocs] [Magento Stack Exchange]
NEW QUESTION # 28
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:
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 # 29
A developer wants to deploy a new release to the Adobe Commerce Cloud Staging environment, but first they need the latest code from Production.
What would the developer do to update the Staging environment?
- A. 1. Log in to the Project Web Interface.
2. Choose the Staging environment, and click Sync - B. 1. Checkout to Production environment
2. Use the magento-cloud synchronize <environment-ID> Commerce CLI Command - C. 1. Log in to the Project Web Interface.
2. Choose the Staging environment, and click Merge
Answer: A
Explanation:
The developer can update the Staging environment with the latest code from Production by logging in to the Project Web Interface, choosing the Staging environment, and clicking Sync. This will synchronize the code, data, and media files from Production to Staging, creating an exact copy of Production on Staging. The developer can then deploy the new release to Staging and test it before pushing it to Production. Verified Reference: [Magento 2.4 DevDocs]
NEW QUESTION # 30
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. Environment level environment variables.
- B. Project level environment variables.
- C. Lines in the dedicated core_conf ig_data_stg table.
Answer: A
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 # 31
An Adobe Commerce developer is creating a module (Vendor.ModuleName) to be sold on the Marketplace. The new module creates a database table using declarative schema and now the developer needs to make sure the table is removed when the module is disabled.
What must the developer do to accomplish this?
- A. Add a schema patch that implements Magento\Framework\setup\Patch\PatchRevertabieinterface and drops the table in the revert function.
- B. There is nothing further the developer needs to do. The table will be removed when the when bin/magento module:uninstall vendor_ModuleName is run.
- C. There is nothing further the developer needs to do. The table will be removed when the module is disabled and bin/magento setup:upgrade is run.
Answer: A
Explanation:
According to the Declarative Schema Overview guide for Magento 2 developers, declarative schema is a new feature that allows developers to declare the final desired state of the database and has the system adjust to it automatically, without performing redundant operations. However, declarative schema does not support uninstalling modules or reverting changes. To remove a table when a module is disabled, the developer needs to add a schema patch that implements Magento\Framework\setup\Patch\PatchRevertabieinterface and drops the table in the revert function. The revert function will be executed when the module is disabled using bin/magento module:disable command. Verified Reference: https://devdocs.magento.com/guides/v2.3/extension-dev-guide/declarative-schema/
NEW QUESTION # 32
Which hashing algorithm will Adobe Commerce choose to hash customer passwords?
- A. If the Sodium extension is installed, SHA256 will be chosen, otherwise MD5 will be used as the Magento default hashing algorithm.
- B. If the Sodium extension is installed, Argon 2ID13 will be chosen, otherwise SHA256 will be used as the Magento default hashing algorithm.
- C. It does not matter if the Sodium extension is installed or not, the Magento hashing default algorithm will be SHA256.
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 # 33
An Adobe Commerce developer is tasked with creating a custom block that will be displayed on every page in the footer of the site.
After completing and optimizing the development, the developer notices that the block takes too much time to be generated on each page and decides to store it in the system cache after enabling it for all cache groups.
What would be the minimum requirement to achieve this?
- A. Set values for both cache_lifetime and cache_key data properties of the block.
- B. Set a value for the cache_Lifetime data property of the block.
- C. Set a value for cache_key data property of the block.
Answer: A
Explanation:
To store a block in the system cache, the developer needs to set values for both the cache_lifetime and cache_key data properties of the block. The cache_lifetime property specifies how long the block should be cached, and the cache_key property specifies a unique identifier for the block.
The following code shows how to set the cache_lifetime and cache_key data properties of a block:
PHP
$block->setData('cache_lifetime', 600);
$block->setData('cache_key', 'my_custom_block');
Once the cache_lifetime and cache_key data properties have been set, the block will be stored in the system cache and will not be regenerated on each page load.
NEW QUESTION # 34
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 greturn annotation is missing in the MyVendor\Blog\Api\PostRepositoryInterf ace class.
- B. The webapi.xml file should be moved into the etc/webapi_rest/webapi.xml file.
- 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 # 35
How would a developer turn on outgoing emails on an Adobe Commerce Cloud Staging environment?
- A. Access the Project Web Interface and select the Staging environment.
Select Configure environment. - B. From the command line
ece-tools enable_smtp true - C. From the command line
magento-cloud environment:info -p <project-id> -e <environment-id> enable_smtp true
Answer: A
Explanation:
Toggle Outgoing emails On
Explanation:
The developer can turn on outgoing emails on an Adobe Commerce Cloud Staging environment by accessing the Project Web Interface and selecting the Staging environment. Then, the developer can select Configure environment and toggle Outgoing emails On. This will enable the SMTP service for the Staging environment and allow emails to be sent from the application. Verified Reference: [Magento 2.4 DevDocs] 1
NEW QUESTION # 36
An Adobe Commerce developer is writing an integration test. They checked some Integration Tests for Magento core modules for reference and noticed that they use data fixtures initialized by adding annotations to test classes. For example:
The developer wants to add their own fixture to test a MyVendor_MyModule they created. Which steps will make this possible?
- A. 1. Create a PHP file with the fixture data inside their own module in [module dir]/Test/integration/_f iies/my_f ixture.php.
2. Add the following annotation to the test method:
- B. 1. Create a PHP file With the fixture data in [magento root dir]/dev/tests/integration/testsuite/MyVendor/MyModule/_files/my_fixture.php.
2. Add the following annotation to the test method:
- C. 1. Create a PHP file with the fixture data inside their own module in [module dir]/Test/integration/_fiies/my_fixture.php.
2. Add the following annotation to the test method:
Answer: B
Explanation:
To add a custom fixture to test a MyVendor_MyModule, the developer needs to do the following:
Create a PHP file with the fixture data in [magento root dir]/dev/tests/integration/testsuite/MyVendor/MyModule/_files/my_fixture.php.
Add the following annotation to the test method:
@magentoDataFixture(
'testsuite/MyVendor/MyModule/_files/my_fixture.php'
)
This will tell Magento to load the fixture data from the my_fixture.php file before the test method is executed.
NEW QUESTION # 37
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 B
- B. Option A
- C. Option C
Answer: A
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 # 38
An Adobe Commerce developer has added a new configuration field to the admin are a. The path for this option is general/store_information/out_of_hours_phone.
Keeping simplicity in mind, how would the developer ensure this option contains a valid US telephone number?
- A. Create a backend model to check the validity of the phone number entered.
- B. Add <validate>phoneUS</validate> to the field in system.xml.
- C. Add <validate type="phoneUS"/> to the field in system.xml.
Answer: B
Explanation:
According to the Magento Stack Exchange answer, system.xml is a file that defines the configuration fields for the admin area. Each field can have a validate attribute that specifies a validation rule for the field value. Magento provides some built-in validation rules, such as phoneUS, which validates a US telephone number. Therefore, to ensure that the option contains a valid US telephone number, the developer needs to add <validate>phoneUS</validate> to the field in system.xml. Verified Reference: https://magento.stackexchange.com/questions/104570/magento-2-system-xml-validation-rules
NEW QUESTION # 39
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. Another around plugin defined for the same function does not call the callable.
- B. Cache identifiers are immutable and cannot be changed.
- C. The target ClaSS implements Magento\Framework\ObjectManager\NoninterceptableInterface.
Answer: C
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 # 40
When checking the cron logs, an Adobe Commerce developer sees that the following job occurs daily: main.INFO: Cron Dob inventory_cleanup_reservations is successfully finished. However, the inventory_reservation table in the database is not emptied. Why are there records remaining in the inventory_reservation table?
- A. Only reservations no longer needed are removed by the cron job.
- B. The "Auto Cleanup" feature from Multi Source Inventory was disabled in configuration.
- C. Only reservations matching canceled orders are removed by the cron job.
Answer: A
Explanation:
The reason why there are records remaining in the inventory_reservation table is that only reservations no longer needed are removed by the cron job. The inventory_reservation table tracks the quantity of each product in each order and creates a reservation for each product when an order is placed, shipped, cancelled or refunded. The initial reservation has a negative quantity value and the subsequent reservations have positive values. When the order is complete, the sum of all reservations for the product is zero. The cron job removes only those reservations that have a zero sum from the table, leaving behind any reservations that are still needed for incomplete orders. Verified Reference: [Magento 2.4 DevDocs] [Magento Stack Exchange]
NEW QUESTION # 41
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