A merchant requires the ability to configure contact information for their brick and mortar stores as a CSV file upload. The module already exists and contains an etc/adminhtml/system.xml file where the new field can be added.
How do you specify the class that will process the uploaded file?

You are developing a module MyCompany_StoreInfo to display information about brick and mortar stores on a frontend page. The displayed information varies based on the country of a given store.
What two elements automatically render their children? (Choose two.)

Which action, if any, should be taken to forbid Adobe Commerce Admin from performing specific actions?

In which two directories are third-party modules located by default? (Choose two.)

You are adding a new menu item to the admin backend which will link to a custom backend page.
The declaration of the route:

What do you specify as the menu item action attribute value so it links to /admin/mycompany/mymodule/?