Question 1

An external system integrates functionality of a product catalog search using Adobe Commerce
GraphQL API. The Architect creates a new attribute my_attribute in the admin panel with frontend
type select-Later, the Architect sees that Productlnterf ace already has the field my_attribute, but
returns an Int value. The Architect wants this field to be a new type that contains both option id and
label.
To meet this requirement, an Adobe Commerce Architect creates a new module and file
etc/schema.graphqls that declares as follows:
AD0-E722 practice exam questions

After calling command setup:upgrade, the introspection of Productlnterface field my_attribute
remains Int. What prevented the value type of field my_attribute from changing?

Accepted Answer

C

Explanation: According to the Adobe Commerce documentation, to extend an existing GraphQL interface, the keyword extend must be used before the interface name. This indicates that the new declaration is adding or modifying fields to the existing interface, rather than redefining it. If the keyword extend is omitted, the new declaration will be ignored and the original interface will be used. In this case, the Architect wants to change the type of the my_attribute field in the ProductInterface interface, which is already declared in the Magento.CatalogGraphQl module. Therefore, the Architect should use the keyword extend before declaring the ProductInterface interface in the schema.graphqls file of the custom module. This will allow the Architect to override the type of the my_attribute field from Int to MyAttributeType. Reference: Extend existing schema | Adobe Commerce Developer Guide Schema language with GraphQL | Adobe Commerce

Question 2

A single Adobe Commerce Cloud instance is set up with two websites (each with a single store view)
with different domains.
• The default website is website_one, with store view store_one, and domain storeone. com.
• The second website is website_two, with store view store_two, and domain storetwo. com.
The magento-vars. php file is set up as follows to determine which website each request runs
against:
AD0-E722 practice exam questions

When testing a new GraphQL integration, all requests returned data relating to the default website,
regardless of the domain. What is causing this issue?

Accepted Answer

C

Explanation: The magento-vars.php file is used to set the website or store view based on the HTTP host, but it does not affect GraphQL requests. GraphQL requests are handled by a separate controller that does not use the magento-vars.php file. Instead, GraphQL requests use the default store view of the default website, unless a store header or store cookie is provided in the request. The store header or cookie should contain the store code of the desired store view. For example, to query data from website_two, the request should include a header like store: store_two or a cookie like store=store_two12. Reference: GraphQL overview | Adobe Commerce 2.4 User Guide - Magento How to set up multiple websites with Magento 2 - Mageplaza

Question 3

An Architect needs to integrate an Adobe Commerce store with a new Shipping Carrier. Cart data is
sent to the Shipping Carrier's API to retrieve the price and display to the customer. After the feature
is implemented on the store, the API hits its quota and returns the error "Too many requests". The
Shipping Carrier warns the store about sending too many requests with the same content to the API.
In the carrier model, what should the Architect change to fix the problem?

Accepted Answer

C

Explanation: The carrier model class can implement caching methods to store and retrieve the quotes from the API based on the request parameters. This can reduce the number of API calls and improve the performance of the shipping rate calculation. The _setCachedQuotes() method can save the response from the API to a cache storage, and the _getCachedQuotes() method can check if there is a cached response for the current request and return it if it exists. Reference: Caching in carrier model, Carrier model interface

Question 4

Due to a marketing campaign, a website is experiencing a very large number of simultaneously
placed orders, which is affecting checkout performance. The website is in the production deploy
mode.
Which two website settings can an Architect optimize to decrease the impact on checkout
performance? (Choose two.)

Accepted Answer

Explanation: Option A is correct because enabling asynchronous indexing can improve the checkout performance by reducing the database load and avoiding locking issues. Asynchronous indexing allows the indexers to run in the background without affecting the frontend operations. The command bin/magento config:set dev/grid/async_indexing 1 can be used to enable this option in the production mode1. Option C is correct because creating a new database and splitting the sales tables can also improve the checkout performance by distributing the database load and avoiding contention. Splitting the database allows the checkout and order management operations to use a separate master database from the rest of the Magento application tables. The command bin/magento setup:db-schema:split- sales --host=" " --dbname=" " --username=" " --password=" " can be used to configure this feature2. Option B is incorrect because enabling asynchronous email notifications does not affect the checkout performance directly. Asynchronous email notifications allow the order confirmation emails to be sent in batches by a cron job instead of immediately after placing an order. This option can reduce the server load and improve the customer experience, but it does not impact the checkout process itself3. Option D is incorrect because there is no such deploy mode as siege in Magento 2. The available deploy modes are default, developer, and production. Changing the deploy mode can affect the performance, caching, and error handling of the Magento application, but it does not directly affect the checkout performance4. Option E is incorrect because there is no such admin panel setting as multithreaded checkout processing in Magento 2. The number of PHP threads used for checkout is determined by the web server configuration and the PHP-FPM settings, not by the Magento application settings. Increasing the number of PHP threads may improve the checkout performance, but it also requires more server resources and may cause other issues5. Reference: 1: Asynchronous indexing | Adobe Commerce Developer Guide 2: Split database performance solution | Adobe Commerce Developer Guide 3: Sales Emails | Adobe Commerce User Guide 4: Set up Magento modes | Adobe Commerce Developer Guide 5: PHP-FPM configuration settings | Adobe Commerce Developer Guide

Question 5

A custom cron job has been added to an Adobe Commerce system to collect data for several reports.
Its crontab. xml configuration is as follows:
AD0-E722 practice exam questions

The job is data intensive and runs for between 20 and 30 minutes each night.
Within a few days of deployment, it is noticed that the sites sitemap. xml file has not been updated
since the new job was added.
What should be done to fix this issue?

Accepted Answer

B

Explanation: The issue here is that the gather_reporting_data job is running for a long time and blocking the sitemap_generate job from running. The solution is to create a new cron group for the reporting job and specify i so that the reporting job runs in a separate process and does not block the sitemap_generate job. Reference: https://experienceleague.adobe.com/docs/commerce-cloud-service/userguide/architecture/starter-architecture.html?lang=en#cron-groups-and-processes

Question 6

In a custom module, an Architect wants to define a new xml configuration file. The module should be
able to read all the xml configuration files declared in the system, merge them together, and use
their values in PHP class.
Which two steps should the Architect make to meet this requirement? (Choose two.)

Accepted Answer

Explanation: According to the Adobe Commerce documentation, to create a new xml configuration file, the Architect needs to create a Data class and a Reader class for the custom module. The Data class is responsible for storing and retrieving the configuration data from the cache or the Reader class. The Data class should implement the “\Magento\Framework\Config\Data” interface or extend the “\Magento\Framework\Config\Data” class. The Reader class is responsible for reading and validating the xml configuration files from the file system. The Reader class should implement the '\Magento\Framework\Config\Reader\Filesystem" interface or extend the '\Magento\Framework\Config\Reader\Filesystem" class. The Architect also needs to declare the Data class and the Reader class in the di.xml file of the custom module, and specify the name of the xml configuration file, the converter class, and the schema locator class for the Reader class. Reference: Configuration types | Adobe Commerce - Experience League Create configuration types | Adobe Commerce - Experience League

Question 7

A merchant is using a unified website that supports native Adobe Commerce B2B and B2C with a
single store view.
The merchant's objective is to display the B2B account features, such as negotiable quotes and credit
limits, in the header of the site on every page for logged-in users who belong to a B2B company
account.
Each B2B company possesses its unique shared catalog and customer group, while numerous
customer groups for non-B2B customers undergo changes. The merchant insists that this association
should not be linked to customer groups.
Which two solutions should the Architect recommend for consideration, taking into account public
data and caching? (Choose two.)

Accepted Answer

Explanation: Option B is a valid solution because creating a new HTTP Context variable can allow for differentiating the public content cache for users who belong to a B2B company account. The HTTP Context variable can be used to modify the output of the header block accordingly, without affecting the performance or scalability of the site1 Option D is also a valid solution because creating a new custom condition for customer segments can enable targeting users who are part of a B2B company account. The customer segment can be used to modify the output of the header block accordingly, using layout updates or dynamic blocks. This solution can also leverage the existing customer segment functionality and avoid custom coding2 Option A is not a valid solution because switching the theme based on a virtual type can cause performance issues and increase the complexity of the site maintenance. Moreover, switching the theme can affect the entire site appearance, not just the header block3 Option C is not a valid solution because using the customer session data directly to modify the output of the header block can prevent the public content cache from working properly. The customer session data is private and cannot be cached, so this solution can negatively impact the performance and scalability of the site4 Option E is not a valid solution because checking if the current user is part of a B2B company within a block class can also prevent the public content cache from working properly. The block class logic is executed on every request, so this solution can negatively impact the performance and scalability of the site5 Reference: 1: https://experienceleague.adobe.com/docs/commerce-cloud-service/userguide/architecture/starter-architecture.html?lang=en#http-context 2: https://experienceleague.adobe.com/docs/commerce-cloud-service/userguide/marketing/customer-segments.html?lang=en 3: https://experienceleague.adobe.com/docs/commerce-cloud-service/userguide/design/themes.html?lang=en 4: https://experienceleague.adobe.com/docs/commerce-cloud- service/user-guide/architecture/starter-architecture.html?lang=en#private-content 5: https://experienceleague.adobe.com/docs/commerce-cloud-service/userguide/architecture/starter-architecture.html?lang=en#public-content

Question 8

An Adobe Commerce Architect is asked by a merchant using B2B features to help with a
configuration issue.
The Architect creates a test Company Account and wants to create Approval Rules for orders. The
Approval Rules tab does not appear in the Company section in the Customer Account Menu when
the Architect logs in using the Company Administrator account.
Which two steps must be taken to fix this issue? (Choose two.)

Accepted Answer

C, E

Explanation: The issue here is that the Approval Rules tab does not appear in the Company section in the Customer Account Menu when the Architect logs in using the Company Administrator account. This is because the Approval Rules feature requires two settings to be enabled: the Purchase Orders feature and the Purchase Order payment method. The solution is to set ‘Enable Purchase Orders’ in the B2B Admin to TRUE and make sure that the ‘Purchase Order’ payment method is active. This will allow the Architect to create and manage Approval Rules for orders. Reference: https://experienceleague.adobe.com/docs/commerce-admin/b2b/purchaseorders/account-dashboard-approval-rules.html?lang=en#account- dashboard1 https://experienceleague.adobe.com/docs/commerce-admin/b2b/purchaseorders/purchase-order-payment-method.html?lang=en#payment-method2

Question 9

An Adobe Commerce Architect is troubleshooting an issue on an Adobe Commerce Cloud project
that is not yet live.
The developers copied the Staging Database to Production in readiness to Go Live. However, when
the developers test their Product Import feature, the new products do not appear on the front end.
The developers suspect the Varnish Cache is not being cleared. Staging seems to work as expected.
Production was working before the database migration.
What is the likely cause?

Accepted Answer

C

Explanation: :

Question 10

An Adobe Commerce Architect runs the PHP Mess Detector from the command-line interface using
the coding standard provided with Adobe Commerce. The following output appears:
AD0-E722 practice exam questions

The Architect looks at the class and notices that the constructor has 15 parameters. Five of these
parameters are scalars configuring the behavior of MyService. The class also contains three constants
referencing one other class.
How should the Architect fix the code so that it complies with the coding standard rule?

Accepted Answer

C

Explanation: The issue is being caused by the high coupling between objects (CBO) value of the class MyService. CBO is a metric that measures the number of classes that are coupled to a given class, either by method calls, property or parameter

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