A merchant tasked you to add an input field for notes to the Customer Account Information backend page.
Which three actions do you specify in a module's Data Patch to add a customer notes attribute? (Choose three.)

You are facing a bug, which is supposedly caused by the customization of \Magento\Catalog\Api\ProductRepositoryInterface::save().
To resolve the issue, you decide to find all logic which customizes this method.
Which two places do you search for customization declarations? (Choose 2)

You are tasked to install an extension to the merchant's Magento instance.
The extension is developed by the company called MyCompany and its codebase is available from all four locations listed below.
Which two installations options do you choose from to prevent version conflicts during upgrade? (Choose two.)

An Adobe Commerce Developer is tasked with creating a module which generates a sitemap by cron. While writing the module, they realize they will need to use environment emulation to ensure the data is generated from a frontend perspective. They notice that the Emulation: :startEnvironmentEmulation() method accepts a
$force parameter.
Why would this be set to true?

When building a custom page we need to get a collection of data. To determine how many items are in this collection, the Adobe Commerce developer uses $collection->count() . This sometimes is slow and causes some delay.
What is the reason?