[Q40-Q58] AD0-E724 Dumps are Available for Instant Access [2025]

AD0-E724 Dumps are Available for Instant Access [2025]

Practice with these AD0-E724 dumps Certification Sample Questions

NEW QUESTION # 40
How are multiple EAV attributes belonging to the same entity grouped in the database?

• A. Based on all numeric values being stored in one table while text values are stored in the other
• B. Based on the sizes of values they contain
• C. Based on the types of values they contain

Answer: C

Explanation:
Multiple EAV attributes belonging to the same entity are grouped in the database based on their data types, such as datetime, decimal, int, text, or varchar. For example, all attributes with datetime values are stored in one table, while all attributes with text values are stored in another table.
The sizes or numeric/text values of attributes do not determine how they are grouped in the database.
Verified References: [Adobe Commerce Developer Guide - EAV data model]
Magento's EAV (Entity-Attribute-Value) model organizes attributes based on their data types to optimize storage and retrieval. Attributes are grouped into different tables based on whether they store values of types such as integer, varchar (text), decimal, datetime, etc. This organization allows Magento to efficiently manage the diverse data types associated with products, customers, and other entities, ensuring data integrity and optimizing database performance by using appropriate indexing and storage mechanisms for each data type.

NEW QUESTION # 41
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: B

Explanation:
https://developer.adobe.com/commerce/php/best-practices/extensions/observers/#do-not-rely-on-invocation- order

NEW QUESTION # 42
A product has been added to the Adobe Commerce Store, and it contains a value for the custom product attribute. A merchant reports that the attribute value is not displayed in the Additional Information tab on the product detail page.
Which action will correct this problem?

• A. The attribute property "Visible on Catalog Pages on Storefront" must be set to "yes".
• B. The attribute must be moved to the specific group in the attribute set
• C. The attribute property "Use in Product Tab' must be set to "yes"

Answer: A

Explanation:
The "Visible on Catalog Pages on Storefront" attribute property determines whether or not the attribute value is displayed in the Additional Information tab on the product detail page. If this property is set to "no", the attribute value will not be displayed.
For a custom product attribute to be displayed in the Additional Information tab on the product detail page in Magento, it needs to be visible on the catalog pages on the storefront. This visibility is controlled by the attribute property "Visible on Catalog Pages on Storefront". When this property is set to "yes", Magento includes the attribute in the Additional Information tab, making it visible to customers browsing the product.
This setting ensures that only relevant and intended attributes are shown on the storefront, allowing for better product information management and customer experience.

NEW QUESTION # 43
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: B

Explanation:
The combination of a large number of products, categories, and stores directly affects the flat catalog indexing process. Each product needs to be indexed across all categories and stores, which exponentially increases the data size of the index tables. This can significantly slow down the frontend updates after a full product import due to the high volume of data that needs to be processed.
Impact on Flat Catalog and Indexing:
In Magento, flat catalog tables are used to optimize product data retrieval, especially in stores with a large catalog. However, with high numbers of products, categories, and stores, the flat catalog tables become massive, making them slower to update.
In this scenario, the system must create and maintain an entry for each product in each store across every category, leading to a substantial volume of data.
Why Option A is Correct:
This combination (products, categories, stores) is known to cause performance issues in indexing and data storage. It impacts the catalog indexes, which are critical for reflecting updates on the frontend.
Options B and C do not directly relate to the delay after product imports. Option B involves customer-related data, and Option C is related to price indexing, which affects a different area.
Optimization Recommendations:
Consider disabling the flat catalog and leveraging Elasticsearch for product and category search and filtering.
Additionally, increasing server resources or partitioning the data could help optimize performance.

NEW QUESTION # 44
Which price type should be used if the developer wants to provide a discount for a product based on quantity, for example, being able to buy two for X amount each?

• A. Group Price
• B. Tier Price
• C. Special Price

Answer: B

Explanation:
Tier prices are used to provide discounts for products based on quantity. For example, you could set a tier price that allows customers to buy two products for X amount each.
The tier price is used when a developer wants to offer a discount based on the quantity purchased. For example, buying two or more units of a product at a reduced price per unit. Tier pricing allows setting different prices for different quantities, encouraging customers to buy more. Special price is a flat discounted price regardless of quantity, and group price is used to set special prices for specific customer groups, not for quantity-based discounts.

NEW QUESTION # 45
Which command should be used to refresh the cache using the command line?

• A. magentocacheclean<type>
• B. magentocachedelete<type>
• C. magentocacherefresh<type>

Answer: A

Explanation:
To refresh the cache using the command line in Magento, the commandbin/magento cache:clean <type>is used. This command clears the cache for the specified type, such as configuration, layout, or block HTML.
Cleaning the cache is an essential maintenance task that helps to update the store's frontend with the latest changes and ensure that customers see the most current content. This command is particularly useful during development or after making changes to the store's configuration or layout.

NEW QUESTION # 46
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 a crontab.xmi file and a new system configuration in system.xmi for the schedule.
• C. Create crontab.xmi and cron_groups.xmi files to assign the new job to a cron group.

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 # 47
Which two recommended practices would a developer use on an Adobe Commerce Cloud Enhanced Integration Environment to get the best performance? (Choose two.)

• A. Remove all of the integration's inactive branches.
• B. Restrict catalog size
• C. Enable fastly CDN
• D. Disable cron and manually run as needed

Answer: A,C

Explanation:
On an Adobe Commerce Cloud Enhanced Integration Environment, enabling Fastly CDN (Content Delivery Network) can significantly improve performance by caching content closer to the user's location, reducing load times. Additionally, removing all of the integration's inactive branches helps to optimize the environment by decluttering and focusing resources on active development. Restricting catalog size may not be feasible or desirable, and disabling cron jobs can disrupt necessary background operations unless specifically needed for performance testing or troubleshooting.

NEW QUESTION # 48
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. Set the global Cache key trigger_consumer_restart t0 1.
• B. Call the function \Magento\Framework\MessageQueue\PoisonPill\Poi5onPillPutInterface::put().
• C. Call the function \Magento\Framework\MessageQueue\Consumers\TriggerRe5tartInterface:trigger().

Answer: B

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 # 49
Which Magento project directory is the recommended webroot for the web server?

• A. bin/
• B. Pub/
• C. app/

Answer: B

Explanation:
The Pub/ directory is the recommended webroot for the web server in Magento. This is because it contains all of the static content that is used by the Magento store, such as images, CSS, and JavaScript files.
The recommended webroot for the web server in a Magento project is thepub/directory. This directory is used to access Magento static files and is the safer option for webroot as it minimizes security risks by not exposing the entire application structure to the web.
Thepub/directory in Magento is designed to be the root directory for web servers. This design choice is intended to enhance security and efficiency by serving static files directly from this location, thereby reducing the need for PHP processing for these files. By setting the webroot topub/, it ensures that only the necessary files are publicly accessible, protecting the application's core code and structure from external access. This setup is a recommended best practice in Magento development for maintaining a secure and well-organized file system structure.

NEW QUESTION # 50
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 C
• B. Option B
• C. Option A

Answer: A

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 # 51
In a new release of a module, a developer decides to rename a table that was defined in the earlier versions.
Which action, if any, allows the developer to prevent data loss?

• A. Define onCreate="migrateDataFromAnotherTable(old_table_name)" attribute in the table tag.
• B. Define the table and columns mapping in the db.schema_whitelist.json
• C. Declarative schema supports RENAME TABLE', so the data will be migrated to the new table automatically.

Answer: B

Explanation:
When renaming a table in Magento, to prevent data loss, the developer must define the table and its columns mapping in thedb_schema_whitelist.jsonfile. This declarative schema approach ensures that the data migration tool knows about the changes and can migrate data from the old table to the newly named table without losing any data.

NEW QUESTION # 52
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: C

Explanation:
The correct answer isOption A. This approach uses two filter groups to correctly implement the logic from the SQL query using Magento's SearchCriteria API.
* Understanding the Logic:The given SQL query contains two main conditions:
* featured = 1 AND logo_image IS NOT NULL (grouped together with an AND condition)
* enabled = 1
In the Magento SearchCriteria terms, these translate to:
* Filter Group 1: featured = 1 AND logo_image IS NOT NULL
* Filter Group 2: enabled = 1
The two filter groups are then combined using an implicit AND condition.
* Magento's SearchCriteria Structure:The SearchCriteria object is the recommended way in Magento
2 to filter and retrieve collections with complex conditions.
* Filter Groups: Used to group filters together. All filters within a filter group are combined with an AND condition.
* Filters: Define a condition for a single field.
* Explanation of the Code for Option A:
* Filter 1is created for the featured field, set to 1 with an eq condition type.
* Filter 2is created for the logo_image field, with a notnull condition type.
* BothFilter 1andFilter 2are combined intoFilter Group 1, which applies an AND condition between these filters.
* Filter 3is created for the enabled field, set to 1 with an eq condition type.
* Filter Group 2contains onlyFilter 3.
* Finally, both filter groups are set on the SearchCriteria object. By default, the SearchCriteria combines filter groups using an AND condition between them.
* Why Option A is Correct:Option A uses two filter groups that exactly match the desired SQL query logic:
* It correctly combines featured and logo_image in an AND condition.
* It then checks if enabled is 1, which is handled by the second filter group.

NEW QUESTION # 53
What database engine is part of the infrastructure of Adobe Commerce Cloud projects?

• A. MySQL
• B. MariaDB
• C. Percona

Answer: B

Explanation:
The database engine that is part of the infrastructure of Adobe Commerce Cloud projects is MariaDB.
MariaDB is a fork of MySQL that offers improved performance, scalability, and security features.
The database engine that is part of the infrastructure of Adobe Commerce Cloud projects is MariaDB. Adobe Commerce Cloud is configured to use MariaDB, which is a binary drop-in replacement for MySQL and is chosen for its performance, reliability, and feature set.

NEW QUESTION # 54
An Adobe Commerce developer has been asked to modify the PageBuilder slider content type to allow a new custom content type (other than slide) to be assigned as a child. The developer has already created the new content type called improved_slide in their module. They now need to create a new view/adminhtml
/pagebuilder/content_type/slider. xml file in their module to allow the new content type to be a child of slider content types.
What is the correct xml to accomplish this?

• A.
• B.
• C.

Answer: A

Explanation:
The correct answer is Option C. This XML configuration is the correct way to define allowed child content types for a slider content type in Magento's PageBuilder.
Magento PageBuilder Content Type Structure:
In PageBuilder, each content type can specify which other content types are allowed as children.
This is done by defining the allowed_children array within the content type's XML configuration.
Analyzing Option C:
Arguments Definition: Option C uses the <arguments> node to define a new argument named allowed_children.
Array Structure: This argument is an array (xsi:type="array") that includes an item specifying the improved_slide as an allowed child with xsi:type="string".
This configuration is correct because it explicitly defines which child content types are allowed for the slider content type, adhering to Magento's structure for allowed child elements in PageBuilder.
Why Options A and B are Incorrect:
Option A: Uses a <children> node with policy="allow", which is not the standard way to define allowed children for PageBuilder content types. This format is incorrect and won't be recognized by PageBuilder.
Option B: Uses <allowed_descendants>, which also doesn't align with the way Magento's PageBuilder expects child content types to be declared. The correct term is allowed_children, not allowed_descendants.

NEW QUESTION # 55
What is one purpose of a customer data JS library?

• A. It stores the customer's username and password for easier frontend login.
• B. It stores private customer data in local storage
• C. It stores the customers credit card info for usage in the checkout.

Answer: B

Explanation:
The customer data JS library is used to store private customer data in local storage. This data can be used to improve the customer's experience on the store, such as by remembering their shipping address or their preferred payment method.
The customer data JS library in Adobe Commerce is used for managing customer data on the client side, such as the shopping cart, comparison list, and wishlist. It does not store sensitive information like credit card details or usernames and passwords. Instead, it utilizes local storage to keep a private data section where customer-specific data is stored securely and accessed via JavaScript, making option B correct.

NEW QUESTION # 56
A developer needs to extend the existing jQuery widget. Which jQuery function is used for this purpose?

• A. $.widget
• B. $.ui
• C. $.mage

Answer: A

Explanation:
To extend an existing jQuery widget in Adobe Commerce, the$.widgetfunction is used. This function is part of jQuery UI's widget factory and is a powerful tool for creating stateful plugins with a consistent API. It allows developers to create a new widget that inherits from an existing widget, enhancing or modifying its functionality, making option C the correct answer.

NEW QUESTION # 57
What will happen if a developer fails to mention the start date in the "From" field when creating a price rule?

• A. The price rule will go into effect as soon as it is saved
• B. The price rule will be saved, but it will not go into effect until the start date is added
• C. The price rule will not be saved.

Answer: A

Explanation:
If a developer fails to mention the start date in the "From" field when creating a price rule, the price rule will be saved. However, the price rule will not go into effect until the start date is added.
If a developer fails to mention the start date in the "From" field when creating a price rule in Adobe Commerce, the system will default to the current date, and the price rule will go into effect as soon as it is saved. The absence of a start date means there is no delay in the activation of the rule, and it becomes effective immediately upon saving.

NEW QUESTION # 58
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