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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. Lines in the dedicated core_conf ig_data_stg table.
• B. Environment level environment variables.
• C. Project level environment variables.

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 a value for the cache_Lifetime data property of the block.
• B. Set values for both cache_lifetime and cache_key data properties of the block.
• C. Set a value for cache_key data property of the block.

An Adobe Commerce developer is asked to implement a 15% surcharge for all users from a 'Wholesale' customer group. Keeping best practices in mind, what is a correct to accomplish this?

• A. Create a Cart Price Rule that applies only to the 'Wholesale' group. Specify no conditions for the rule, and in the Actions section, specify for the rule to apply a "Percent of product price discount", with the
  'Discount Amount" field set to -15.
• B. Create an Observer to the cataiog_product_get_final_price event. Check if the current customer is in the
  'Wholesale' group, and if so, retrieve the
  product from the $observer->getEventC) data and Call $product->setData('final_price', $product-
  >getData( 'final_price') * 1.15).
• C. Declare a new total collector class to calculate the modified total if the current user is in the group, register it in the module's etc/sales .xml file, modify the checkout_cart_index.xml and checkout_index_index.xml layouts to include a new child in the totals block.

An Adobe Commerce developer is tasked with adding custom data to orders fetched from the API. While keeping best practices in mind, how would the developer achieve this?

• A. Create an extension attribute on Nagento\sales\Api\E)ata\orderinterface and an after plugin on Magento\Sales\Model\Order: :getExtensionAttributes() to add the custom data.
• B. Create an extension attribute On Magento\Sales\Api\Data\OrderInterface and an after plugin On Magento\Sales\Api\OrderRepositoryInterface On geto and getListo to add the custom data.
• C. Create a before plugin on Magento\sales\model\ResourceModel\order\collection: :load and alter the query to fetch the additional data. Data will then be automatically added to the items fetched from the API.

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 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.
• C. 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.