Adobe AD0-E716 : Adobe Commerce Developer with Cloud Add-on

There is the task to create a custom product attribute that controls the display of a message below the product title on the cart page, in order to identify products that might be delivered late.
The new EAV attribute is_delayed has been created as a boolean and is working correctly in the admin panel and product page.
What would be the next implementation to allow the is_delayed EAV attribute to be used in the .phtml cart page such as $block->getProduct()->getIsDelayed()?
A)
Create a new file etc/catalog_attributes.xmi:

B)
Create a new file etc/extension attributes.xmi:

C)
Create a new file etc/eav attributes.xmi:

• A. Option B
• B. Option C
• C. Option A

An Adobe Commerce developer was asked to provide additional information on a quote. When getting several quotes, the extension attributes are returned, however, when getting a single quote it fails to be returned.
What is one reason the extension attributes are missing?

• A. The developer neglected to provide a plugin On Hagento\Quote\Api\CartRepositoryInterface: :get.
• B. The developer neglected to implement an observer on the coiiection_ioad_after event.
• C. The developer neglected to add coiiection="trueM to their attribute in etc/extension_attributes.xmi file.
  ottribute code="my_attributesM type="MyVendor\MyModule\Api\Data\^AttributeInterface[]M collection="true" />

An Adobe Commerce Cloud project is using Enhanced Integration Environments with two install a new payment module.
The developer is using Cloud CLI for Commerce tool.
What would a developer do to test this new feature under the integration environment?

• A. 1. Create a new branch from integration and install the module.
  2. Push the changes.
  3. Branch active status check is not necessary.
• B. 1. Duplicate one of the integration environment branches.
  2. Create a new active branch from integration and install the module.
  3. Push the changes.
• C. 1. Deactivate one of the active integration environment branches.
  2. Create a new active branch from integration and install the module.
  3. Push the changes.

When researching some issues with the indexer, an Adobe Commerce developer is seeing errors in the logs similar to Memory size allocated for the temporary table is more than 20% of innodb_buffer_pool_size. It is suggested that the client update innodb_buf f er_pool_size or decrease the batch size value.
Why does decreasing the batch size value improve performance?

• A. This allows for more PHP threads to be utilized during the process.
• B. This allows for a longer timeout per batch process.
• C. This decreases memory usage for the temporary table.

When checking the cron logs, an Adobe Commerce developer sees that the following job occurs daily: main.
INFO: Cron Dob inventory_cleanup_reservations is successfully finished. However, the inventory_reservation table in the database is not emptied. Why are there records remaining in the inventory_reservation table?

• A. Only reservations matching canceled orders are removed by the cron job.
• B. Only reservations no longer needed are removed by the cron job.
• C. The "Auto Cleanup" feature from Multi Source Inventory was disabled in configuration.