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Sample Question 4
A company wants to build an Adobe Commerce website to sell their products to customersin their country. The taxes in their country are highly complex and require customization toAdobe Commerce. An Architect is trying to solve this problem by creating a custom taxcalculator that will handle the calculation of taxes for all orders in Adobe Commerce.Following best practices, how should the Architect add the taxes for all orders?
A. Add a new observer to the event sales.quote.collecLtotals.before'' and add the customtax to the quote B. Write a before plugin to \Magento\Quote\Model\QuoteManagement::placeOrder() andadd the custom tax to the quote C. Declare a new total collector in "etc/sales.xmr in a custom module
Answer: C
Explanation: According to the Adobe Commerce documentation, the best way to add a
custom tax calculation to all orders is to declare a new total collector in the “etc/sales.xml”
file of a custom module. This way, the custom tax logic can be implemented in a separate class that extends the \Magento\Quote\Model\Quote\Address\Total\AbstractTotal class and
overrides the collect() and fetch() methods. The collect() method is responsible for
calculating the tax amount and adding it to the quote address, while the fetch() method is
responsible for displaying the tax amount in the cart and checkout pages. The new total
collector can be assigned to any area of the order totals, such as before or after the
subtotal, shipping, or grand total.
References:
Customizing order totals
How to add custom fee or discount to order totals in Magento 2
Sample Question 5
An Architect is investigating a merchant's Adobe Commerce production environment whereall customer session data is randomly being lost. Customer session data has beenconfigured to be persisted using Redis, as are all caches (except full page cache, which ishandled via Varnish).After an initial review, the Architect is able to replicate the loss of customer session data byflushing the Magento cache storage, either via the Adobe Commerce Admin Panel orrunning bin/magento cache: flush on the command line. Refreshing all the caches in theAdobe Commerce Admin Panel or running bin/magento cache: clean on the command linedoes not cause session data to be lost.What should be the next step?
A. Check app/etc/env.php and make sure that the Redis configuration for caches andsession data use different database numbers. B. Educate the merchant to not flush cache storage and only refresh the caches in future. C. Set the Stores > Configuration' option for Store Session Data Separately' to 'Yes' in theAdobe Commerce Admin Panel.
Answer: A
Explanation: The issue here is that the customer session data is randomly being lost when
flushing the Magento cache storage. This is because the Redis configuration for caches
and session data might be using the same database number, which causes the session
data to be deleted along with the caches. The solution is to check the app/etc/env.php file
and make sure that the Redis configuration for caches and session data use different
database numbers. This will prevent the session data from being affected by the cache
An Adobe Commerce Architect is asked by a merchant using B2B features to help with aconfiguration issue. The Architect creates a test Company Account and wants to create Approval Rules fororders. The Approval Rules tab does not appear in the Company section in the CustomerAccount Menu when the Architect logs in using the Company Administrator account.Which two steps must be taken to fix this issue? (Choose two.)
A. Set 'Enable B2B Quote’ in the B2B Admin to TRUE B. Merchant needs to log out of frontend and then log back in to load new permissions C. Set 'Enable Purchase Orders' in the B2B Admin to TRUE D. Set 'Enable Purchase Orders' on the Company Record to TRUE E. Make sure that the 'Purchase Order' payment method is active
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
A merchant asks for a new category attribute to allow uploading an additional mobile imageagainst categories. The merchant utilizes the content staging and preview feature in AdobeCommerce and wants to schedule and review changes to this new mobile image field.A developer creates the attribute via a data patch and adds it toview/adminhtml/ui_component/category_f orm. xml. The attribute appears against thecategory in the main form, but does not appear in the additional form when scheduledupdates are made.To change this attribute when scheduling new category updates, which additional actionshould the Architect ask the developer to take?
A. The attribute must have its apply_to field set to "staging" in the data patch file. B. The attribute must have <item- name=’’allow_staging" xsi:type=’’boolean’’>true</item>set in the cjt.gopy_for-.xni file under the attributes config' section. C. The attribute must also be added to view/adminhtml/ui_cocomponent/catalogstaging_category_update_form.xml.
Answer: C
Explanation: This action is necessary to make the attribute available for content staging
and preview. According to the Adobe Commerce documentation, the
catalogstaging_category_update_form.xml file defines the fields that are displayed in the
Scheduled Changes section of the category form. The file extends the category_form.xml
file and adds additional fields that are specific to content staging, such as start and end
dates, campaign name, description, etc. To include a custom category attribute in the
Scheduled Changes section, the attribute must also be declared in the
catalogstaging_category_update_form.xml file with the same configuration as in the
category_form.xml file.
References:
Content staging | Adobe Commerce Developer Guide
Create a category attribute | Adobe Commerce Developer Guide
Sample Question 8
An Adobe Commerce Architect notices that queue consumers close TCP connections toooften on Adobe Commerce Cloud server leading to delays in processing messages.The Architect needs to make sure that consumers do not terminate after processingavailable messages in the queue when CRON job is running these consumers.How should the Architect meet this requirement?
A. Set cohsumers_wait_for_max_MESSAGES variable true in deployment stage. B. Increase multiple_process limit to spawn more processes for each consumer C. Change max_messages from 10,000 to 1,000 for CRON_CONSUMERS_RUNNERvariable.
Answer: A
Explanation: Option A is correct because setting the consumers_wait_for_max_messages
variable true in the deployment stage is the best way to meet the requirement. This
variablecontrols whether the queue consumers should wait for a maximum number
of messages to process before terminating. If this variable is set to true, the
consumers will not terminate after processing the available messages in the
queue, but will wait until they reach the max_messages limit or the cron job
timeout. This way, the consumers can keep the TCP connections open and avoid
delays in processing messages1.
Option B is incorrect because increasing the multiple_process limit to spawn more
processes for each consumer will not solve the issue of queue consumers closing
TCP connections too often. The multiple_process limit determines how many
parallel processes can be run for each consumer. Increasing this limit may
improve the throughput of message processing, but it will also consume more
server resources and may cause conflicts or errors. Moreover, it will not prevent
the consumers from terminating after processing the available messages in the
queue2.
Option C is incorrect because changing the max_messages from 10,000 to 1,000
for CRON_CONSUMERS_RUNNER variable will worsen the issue of queue
consumers closing TCP connections too often. The max_messages variable
defines how many messages each consumer should process before terminating.
Decreasing this variable will make the consumers terminate more frequently,
which will result in more TCP connections being closed and reopened. This will
A client is migrating to Adobe Commerce Cloud and has approximately 800 existingredirects that must be implemented. The number of redirects cannot be reduced becauseall 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. Use VCL snippets to offload the redirect to Fastly. C. Add each redirect as a URL rewrite via the admin Ul.
Answer: B
Explanation:
Option B is correct because using VCL snippets to offload the redirect to Fastly is
the best way to configure the redirects and ensure performance. VCL snippets are
custom code segments that can be added to the Fastly configuration to modify the
behavior of the caching service. By using VCL snippets, the redirects can be
handled at the edge server level, without reaching the Magento application or the
database. This reduces the server load and improves the response time for the
redirected requests1.
Option A is incorrect because adding each redirect in the magento/routes.yaml file
is not a recommended way to configure the redirects. The magento/routes.yaml
file is used to define custom routes for Magento Cloud projects, such as mapping
domains or subdomains to environments or services. Adding redirects in this file
can cause conflicts with the existing routes and affect the routing logic of the
project2.
Option C is incorrect because adding each redirect as a URL rewrite via the admin
UI is not an optimal way to configure the redirects. The URL rewrite feature in
Magento allows creating custom URLs for products, categories, and CMS pages,
and redirecting them to their canonical URLs. However, adding a large number of
URL rewrites can increase the database size and affect the performance of the
Magento application. Moreover, using the admin UI for this task can be tedious
An Adobe Commerce Architect is supporting deployment and building tools for on-premisesAdobe Commerce projects. The tool is executing build scripts on a centralized server andusing an SSH connection to deploy to project servers.A client reports that users cannot work with Admin Panel because the site breaks everytime they change interface locale.Considering maintainability, which solution should the Architect implement?
A. Modify project config.php file, configure 'admin_locales_for_deploy' value, and specifyall required locales B. Edit project env.php file, configure 'adminJocales_for_build' value, and specify allrequired locales C. Adjust the tools build script and specify required locales during *setup:staticcontent:deploy' command
Answer: C
Explanation: The issue here is that the site breaks every time the users change interface
locale in the Admin Panel. This is because the static content for the different locales is not
generated during the deployment process. The solution is to adjust the tools build script and specify required locales during *setup:static-content:deploy’ command. This will ensure
that the static content for all the needed locales is generated and deployed to the project
Due to a marketing campaign, a website is experiencing a very large number ofsimultaneously placed orders, which is affecting checkout performance. The website is inthe production deploy mode.Which two website settings can an Architect optimize to decrease the impact on checkoutperformance? (Choose two.)
A. Asynchronous indexing admin panel Setting (Stores > Settings > Configuration >Advanced> Developer > Grid Settings > Asynchronous indexing) can be enabled byexecuting the following CLI Command: bin/Magento config:set dev/grid/async_indexing 1 B. Asynchronous email notifications admin panel setting (stores > settings > configuration> sales > sales Emails > General settings > Asynchronous) can be enabled C. A new database can be created and the Split Database feature can be automaticallyconfigured with the following command: bin/Magento setup:db-schema:spiit-sales–host"<checkout db host or ip>- --dbnanie""<name>" --username"<checkout dbusername)" --password""<password>" D. The website deploy mode can be set to siege by executingthe following CLI command:bin/Magento deploy:mode:set siege, provided that it will be changed back to production assoon as the number of simultaneously placed orders decreases to acceptable levels E. Multithreaded checkout processing admin panel setting (stores > settings > configuration> sales > checkout > General settings > Asynchronous) can be set to a higher valuerepresenting the number of PHP threads used exclusively for checkout
Answer: A,C
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:splitsales
--host="<checkout db host or ip>" --dbname="<name>" --
username="<checkout db username>" --password="<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 PHPFPM
settings, not by the Magento application settings. Increasing the number of
PHP threads may improve thecheckout performance, but it also requires more
