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Adobe AD0-E722 Exam Syllabus Topics:
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NEW QUESTION # 19
An Architect is configuring the preload.keys for Redis on an Adobe Commerce on-premise instance.
The Architect discovers that the following cache keys are loaded on each frontend request:
EAV_ENTITY_TYPES, GLOBAL_PLUGIN_LIST, DB_IS_UP_TO_DATE, SYSTEM_DEFAULT.
* The id_prefix of the frontend => page_cache is set to 063_.
* The id_pref ix of frontend => default is set to 762_.
* The Architect has enabled and configured Redis L2 caching.
How should the preload.keys be configured?
- A.
- B.
- C.
- D.
Answer: B
Explanation:
Explanation
Option C is correct because it configures the preload.keys correctly for Redis L2 caching on an Adobe Commerce on-premise instance. Redis L2 caching is a feature that allows storing the cache data in both Redis and the local file system. This way, the cache data can be loaded faster from the local storage, while Redis acts as a cache invalidation service. To use Redis L2 caching, the backend option for both frontend => page_cache and frontend => default must be set to Magento\Framework\Cache\Backend\RemoteSynchronizedCache1. To enable the preload feature, which reduces the number of requests to Redis, the preload.keys option must be specified with the cache keys that are loaded on each frontend request. However, unlike Redis L1 caching, the preload.keys must include the suffix :hash to indicate that only the hash values of the cache data are stored in Redis2.
Therefore, the correct configuration for preload.keys is:
<preload_keys' => [ '762_EAV_ENTITY_TYPES:hash', '762_GLOBAL_PLUGIN_LIST:hash',
'762_DB_IS_UP_TO_DATE:hash', '762_SYSTEM_DEFAULT:hash', ],
Option A is incorrect because it configures the preload.keys incorrectly for Redis L2 caching. It uses the id_prefix of frontend => page_cache (063_) instead of frontend => default (762_) for the cache keys.
This will cause a mismatch between the cache keys and the cache data, and result in incorrect or missing cache data. Moreover, it does not include the suffix :hash for the preload.keys, which is required for Redis L2 caching2.
Option B is incorrect because it configures the preload.keys incorrectly for Redis L2 caching. It does not include the suffix :hash for the preload.keys, which is required for Redis L2 caching2. It also uses a wrong cache key (GLOBAL_PLUGIN_LIST) instead of GLOBAL_PLUGIN_LIST.
Option D is incorrect because it configures the preload.keys incorrectly for Redis L2 caching. It uses a wrong id_prefix (162_) instead of frontend => default (762_) for the cache keys. This will cause a mismatch between the cache keys and the cache data, and result in incorrect or missing cache data. It also uses a wrong cache key (EAV_ENTITY_TYPES) instead of EAV_ENTITY_TYPES.
References:
1: Two-level caching | Adobe Commerce Developer Guide
2: Use Redis for default cache | Adobe Commerce Developer Guide
NEW QUESTION # 20
An Adobe Commerce Architect notices that the product price index takes too long to execute. The store is configured with multiple websites and dozens of customer groups.
Which two ways can the Architect shorten the full price index execution time? (Choose two.)
- A. Enable price index customer group merging for products without tier prices
- B. Set mage_ihdexer_threads_COUNT environment variable to enable parallel mode
- C. Set Customer Share Customer Accounts Option to Global
- D. Move catalog_Price_index indexer to another custom indexer group
- E. Edit customer groups to exclude websites that they are not using
Answer: A,B
Explanation:
Explanation
The product price index can be optimized by using parallel mode and customer group merging. Parallel mode allows the indexer to run multiple threads simultaneously, which can speed up the indexing process. Customer group merging reduces the number of rows in the price index table by merging customer groups that have the same product prices. This can improve the performance of the price index queries and reduce the index size. References: Indexing optimization, Price index customer group merging
NEW QUESTION # 21
An Adobe Commerce Architect needs to customize the workflow of a monthly installments payment extension. The extension is from a partner who is contracted with the default website Payment Service Provider (PSP), which has its own legacy extension (a module using deprecated payment method).
The installment payment partner manages only initializing a payment, and then hands the capture to be executed by the PSP Once the amount is successfully captured, the PSP notifies the website through a webhook. The goal of the webhook is only to create an "invoice" and save the "capture information" to be used later for refund requests through the PSP itself.
The Architect needs the most simple solution to capture the requested behavior.
Which solution should the Architect implement?
- A. Add a plugin before the $invoice->capture() and change Its input to prevent the call of the
$Payment->capture() - B. Change the can_capture attribute for the payment method under config.xml to be
<can_capture>0</can_capture> - C. Declare a capture Command with type Magento\Payment\Gateway\Command\NullCommand for the payment method CommandPool in di.xml
Answer: C
Explanation:
Explanation
Option C is the correct solution because declaring a capture command with type Magento\Payment\Gateway\Command\NullCommand for the payment method command pool in di.xml will prevent the default capture logic from being executed. The NullCommand class is a dummy implementation of the CommandInterface that does nothing. This way, the payment capture will be handled by the PSP webhook, and the invoice will be created accordingly12 Option A is not a correct solution because adding a plugin before the $invoice->capture() and changing its input to prevent the call of the $payment->capture() will require modifying the core Magento code, which is not recommended. Moreover, this solution will affect all payment methods that use the invoice capture logic, not just the monthly installments payment extension3 Option B is not a correct solution because changing the can_capture attribute for the payment method under config.xml to be <can_capture>0</can_capture> will disable the capture functionality for the payment method entirely. This means that the invoice cannot be created or captured, even by the PSP webhook4 References:
1:
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/payments-integrations/payment-ga
https://github.com/magento/magento2/blob/2.4-develop/app/code/Magento/Payment/Gateway/Command/NullCo
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/customization/best-practices.html?
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/payments-integrations/payment-ga
NEW QUESTION # 22
An Adobe Commerce Architect designs a data flow that contains a new product type with its own custom pricing logic to meet a merchant requirement. Which three steps are required when adding a product type with custom pricing? (Choose three.)
- A. Hydrator for attributes belonging to the new product type
- B. A new class with custom pricing logic, extending the abstract Product model class
- C. Custom type model extended from the abstract Product Type model
- D. Data patch to register the new product type
- E. Content of the etc/product_types.xml file
- F. New price model extending \Magento\Catalog\Model\Product\Type\Price
Answer: C,E,F
Explanation:
Explanation
To add a product type with custom pricing, the Architect needs to do the following steps:
Create a content of the etc/product_types.xml file that defines the new product type, its label, model, index priority, and price model. This file is used to register the new product type and its associated classes in Magento1.
Create a new price model that extends \Magento\Catalog\Model\Product\Type\Price and implements the custom pricing logic for the new product type. The price model is responsible for calculating the final price of the product based on various factors, such as special price, tier price, catalog price rules, etc2.
Create a custom type model that extends from the abstract Product Type model (\Magento\Catalog\Model\Product\Type\AbstractType) and overrides the methods related to the product type behavior, such as prepareForCart, getAssociatedProducts, etc. The type model defines how the product type interacts with other components, such as quote, order, cart, etc3. References:
How to add a new product type in Magento 2? (MageStackDay mystery question 1) - Magento Stack Exchange Magento 2: How to create custom product types - BelVG Blog Magento 2: How to create custom product types - BelVG Blog
NEW QUESTION # 23
An Adobe Commerce Architect designs and implements functionality that introduces a new Complex Product Type to the existing Adobe Commerce website. Besides visual demonstration of the new product type, the changes include adjustments to the price index.
The website utilizes a multi-dimensional indexer feature to store the price index. The Architect decides to cover it with integration tests. After creating and running one test, the Architect discovers that database storage is not being fully cleaned.
The test method has the following annotation declaration:
Which adjustment should the Architect make to fix this issue?
- A. Modify method PHPDoc and change annotation @magentoDbIsolation to enabled
- B. Create Customer_ProductType: :Test/_files/{fixture_name)_rollback.php for every fixture
- C. Add annotation @magentoApplsolation enabled to method PHPDoc
Answer: A
Explanation:
Explanation
The issue here is that the database storage is not being fully cleaned after the test is run. The solution is to modify the method PHPDoc and change the annotation @magentoDbIsolation to enabled. This will ensure that the database storage is fully cleaned after the test is run. References:
https://developer.adobe.com/commerce/testing/guide/integration/#database-isolation1
NEW QUESTION # 24
An Adobe Commerce Architect is reviewing API-functional test code. Some tests send errors to indicate that the customer address does not exist. The test codes show the following:
Which step should the Architect take to fix the test errors?
- A. Set the annotation to USe AmagentoPersistDataFixture Magento/Cu5tomer/_f iles/custcwer_one_address.php instead Of @magentoDataFixture Magento/Customer/_f iles/customer_one_address.php
- B. Change the annotation to Use@magentoApiDataFixture Magento/Customer/_files/ instead Or dmagentoDataFixture Magento/Customer/_files/customer_one_address.php
- C. Update the annotation to Specify addreSSjd EniagentoDataFixture Magento/Customer/_files/customer_one_address.php with:{Maddress_id":"$address.id$"}
Answer: A
Explanation:
Explanation
The issue is being caused by the use of @magentoDataFixture annotation, which creates a temporary data fixture that is rolled back after each test execution1. This means that the customer address created by the fixture is not persisted in the database and cannot be retrieved by subsequent tests. To fix this, the Architect should use @magentoPersistDataFixture annotation, which creates a permanent data fixture that is not rolled back after each test execution2. This way, the customer address created by the fixture will be persisted in the database and can be accessed by subsequent tests. Changing the annotation to use @magentoApiDataFixture or specifying address_id in the annotation will not solve the issue, as they are not related to the persistence of the data fixture3. References: Data fixtures, Persistent data fixtures, API-functional tests
NEW QUESTION # 25
While developing a new functionality for a website in developer mode with all cache types enabled, an Adobe Commerce Developer needs to add \Magento\Sales\Model\Service\InvoiceService SinvoiceService as a new dependency to an existing page action controller in Vendor\CustomModule\Controller\Index\Index . This is accomplished as follows:
After cleaning the f ull_page cache and reloading the page, the developer encounters the following exception:
Recoverable Error: Argument 2 passed to Vendor\CustomModule\Controller\Index\Index::__construct() must be an instance of
\Magento\Sales\Model\Service\InvoiceService [...]
Which action should the Architect recommend to the developer to fix this error?
- A. Remove the generated Child ClaSS from generated/code/Vendor/CustomModule/Controller/Index/Index.
- B. Add the new \Magento\sales\Model\service\invoiceService Sinvoiceservice dependency at the end of the constructor signature.
- C. Clean the block_html cache along with full_page cache.
Answer: A
Explanation:
Explanation
The error is caused by the generated child class not being updated with the new dependency. Removing the generated child class will allow the system to generate a new child class with the correct dependency. The generated child class is a proxy class that extends the original controller class and overrides the constructor to inject the dependencies using the object manager. The generated child class is created when the system runs in developer mode with cache enabled, to avoid performance issues. However, when a new dependency is added to the original controller class, the generated child class does not reflect the change and causes a mismatch in the constructor arguments. Therefore, deleting the generated child class from the generated/code directory will solve the problem.
References:
Generated code | Adobe Commerce Developer Guide
Constructor signature change | Adobe Commerce Developer Guide
NEW QUESTION # 26
An Architect is investigating a deployment issue with a server that is configured to work under the symlink directory /var/www/current, which lead to the latest released version of the application.
The deployment process performs the following steps:
After the last deployment, the merchant reported that the Adobe Commerce Import/Export functionality to export Customer Main File data is not working. The Architect discovered that the export file is not shown in the list of generated files.
Which change to the deployment process should be performed to solve this issue?
- A. Execute Command config:set export/customr/files_directory /var/releases/{release_nunber} toSet the new export path.
- B. Restart the consumer process during deployment to use the directory with a new application version for export files.
- C. Doable Crontab before deployment and re-launch after deployment.
Answer: A
Explanation:
Explanation
The issue is that the export file is not shown in the list of generated files. This is because the export path is not set correctly. The solution is to execute the command config:set export/customr/files_directory
/var/releases/{release_nunber} to set the new export path. This will ensure that the export file is saved in the correct directory and can be accessed from the Admin Panel. References:
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/develop/deploy/staging-production
NEW QUESTION # 27
An Adobe Commerce Architect needs to scope a bespoke news section for a merchants Adobe Commerce storefront. The merchant's SEO agency requests that the following URL structure:
news/{date}/{article_url_key}, where {date} is the publication date of the article, and {article_url_key} is the URL key of the article.
The Architect scopes that a news entity type will be created. The date and URL key data will be stored against each record and autogenerated on save. The values will be able to be manually overridden.
- A. Create a plugin that intercepts Magento\Framework\App\Action: :(), looks for the news portion of the URL, and if it matches, loads the relevant news article by matching the URL date and URL key parts.
- B. Create a standard controller route and an index/index controller class that loads the relevant news article by matching the URL date and URL key parts.
- C. Create a standard controller route and mapping the internal URLs (such as news/article/view/id/i) to rewrites that are generated on save and then stored in the URL rewrites table.
- D. The Architect needs to manage routing this functionality and adhere to best practice. Which two options should the Architect consider to meet these requirements? (Choose two.)
- E. Create a custom router that runs before the standard router and matches the news portion of the URL, then looks for and loads a news article by matching the date and URL key parts of the URL
Answer: C,E
Explanation:
Explanation
These two options are both valid ways to manage routing for the bespoke news section and adhere to best practice. Option B leverages the existing URL rewrite functionality of Adobe Commerce, which allows creating custom URLs for any entity type and storing them in the database. This option requires creating a standard controller route for the news entity type, such as news/article/view/id/i, where i is the news article ID.
Then, on saving each news article, a rewrite rule is generated that maps the internal URL to the desired SEO-friendly URL, such as news/{date}/{article_url_key}. The rewrite rule is stored in the url_rewrite table, which is used by the standard router to match and redirect requests.
Option C involves creating a custom router class that implements \Magento\Framework\App\RouterInterface and runs before the standard router in the routing process. The custom router class can match the news portion of the URL and extract the date and URL key parts from it. Then, it can look for and load a news articlethat matches those values using a model or repository class. If a match is found, it can set the request parameters accordingly and dispatch the request to a controller action that renders the news article page.
References:
Routing | Adobe Commerce Developer Guide
URL Rewrites | Adobe Commerce Developer Guide
Custom Router | Adobe Commerce Developer Guide
NEW QUESTION # 28
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:
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?
- A. Change the schedule of the siten.aP_generate cron job to 30 0 * * *so that it runs after the gather_reporting_data job has completed.
- B. Create a new cron group for the reporting job, specifying
<use_separate_process>i</use_separate_process> - C. Break the data gathering job into a number of smaller jobs, so that each individual job runs for a maximum of 5 minutes
Answer: B
Explanation:
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 <use_separate_process>i</use_separate_process> so that the reporting job runs in a separate process and does not block the sitemap_generate job. References:
https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/architecture/starter-architecture.htm
NEW QUESTION # 29
A client is migrating to Adobe Commerce Cloud and has approximately 800 existing redirects that must be implemented. The number of redirects cannot be reduced because all redirects are specific, and do not match any pattern.
How should the redirects be configured to ensure performance?
- A. Add each redirect in the magento/routes.yaml file.
- B. Add each redirect as a URL rewrite via the admin Ul.
- C. Use VCL snippets to offload the redirect to Fastly.
Answer: C
NEW QUESTION # 30
An Adobe Commerce Architect needs to create a new customer segment condition to enable admins to specify an Average sales amount' condition for certain segments.
The Architect develops the custom condition under
Vendor\Module\Model\Segment\Condition\AverageSalesAmount with all of its requirements:
During testing, the following error appears:
What should the Architect do to fix the problem?
- A.
- B.
- C.
Answer: C
Explanation:
Explanation
The error is caused by the missing class declaration for the custom condition class. According to the Adobe Commerce documentation, to create a custom customer segment condition, the class must extend the
\Magento\CustomerSegment\Model\Condition\AbstractCondition class and implement the
\Magento\CustomerSegment\Model\Condition\Combine\Interface interface. The class must also declare its name, label, value type, and attribute code properties. Option B is the only option that correctly declares the class with the required properties and inheritance. Option A and Option C are incorrect because they do not extend the AbstractCondition class or implement the CombineInterface interface, and they do not declare the name, label, value type, or attribute code properties.
References:
Create a customer segment condition | Adobe Commerce Developer Guide
AbstractCondition | Adobe Commerce Developer Guide
NEW QUESTION # 31
An Adobe Commerce Architect is planning to create a new action that will add gift registry items to the customer's quote. What should the Architect do to guarantee that private content blocks are updated?
- A. Invalidate the status of gift registry indexers
- B. Mark the controller by setting no-cache HTTP headers
- C. Specify a new action in a sections.xml configuration file
Answer: C
Explanation:
Explanation
Private content blocks are sections of the page that are specific to each customer and are not cached by the server. To update these blocks when a customer performs an action, such as adding a gift registry item to the quote, the Adobe Commerce Architect needs to specify the new action in a sections.xml configuration file.
This file defines which blocks need to be updated for each action and how often they should be updated.By doing this, the Architect can ensure that the private content blocks are refreshed with the latest data from the server. References:
Private content | Magento 2 Developer Documentation
Configure private content | Magento 2 Developer Documentation
NEW QUESTION # 32
An Adobe Commerce store owner sets up a custom customer attribute "my.attribute".
An Architect needs to display additional content on the home page, which should display only to Customers with "my.attribute" of a certain value and be the same content for all of them. The website is running Full Page Cache.
With simplicity in mind, which two steps should the Architect take to implement these requirements? (Choose two.)
- A. Create a Customer Segment and use 'my.attribute' in the conditions
- B. Add a custom block and a pHTML template with the content to the cmsjndexjndex.xml layout
- C. Add a new context value of "my_attribute" to Magento\Framework\App\Http\Context
- D. Add a dynamic block with the content to the Home Page
- E. Use customer-data JS library to retrieve "my.attribute" value
Answer: C,D
Explanation:
Explanation
To display additional content on the home page based on a custom customer attribute, the Architect needs to do the following steps:
Add a new context value of "my_attribute" to Magento\Framework\App\Http\Context. This will allow the Full Page Cache to generate different versions of the page for customers with different values of
"my.attribute". The context value can be set using a plugin on the Magento\Customer\Model\Context class.
Add a dynamic block with the content to the Home Page. A dynamic block is a type of content block that can be configured to display only to specific customer segments or conditions. The Architect can use the 'my.attribute' in the conditions of the dynamic block and assign it to the Home Page in the Content > Blocks section of the Admin Panel. References:
Private content | Magento 2 Developer Documentation
Dynamic Blocks | Adobe Commerce 2.3 User Guide - Magento
NEW QUESTION # 33
A representative of a small business needs an Adobe Commerce Architect to design a custom integration of a third-party payment solution. They want to reduce the list of controls identified in their Self-Assessment Questionnaire as much as possible to achieve PCI compliance for their existing Magento application.
Which approach meets the business needs?
- A. Utilize the payment provider iframe system to isolate content of the embedded frame from the parent web page.
- B. Utilize the Advanced Encryption standard (aes-256) algorithm to encrypt all customer-sensitive data from the payment module.
- C. Utilize a trusted signed certificate issued by a Certification Authority (CA) to secure each connection made by the payment solution protocol via https.
Answer: A
Explanation:
Explanation
Using an iframe system for payment integration can help reduce the PCI scope and compliance burden for the merchant, as the payment data is collected and processed by the payment service provider (PSP) within the iframe, without touching the merchant's website or server. This way, the merchant can leverage the PSP's PCI certification and avoid storing or transmitting any sensitive cardholder data on their own system. The iframe also provides a secure barrier between the host webpage and the loaded page, preventing any access or manipulation of the payment data by malicious actors. To implement this approach, the merchant needs to embed the PSP's payment form in their checkout page using an iframe element, and configure the communication between the iframe and the host page using JavaScript123.
NEW QUESTION # 34
......
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