The module MyCompany_MyModule will add a new page in the admin interface to display a custom entity in a grid.
You created a controller for this grid \MyCompany\MyModule\Controller\Adminhtml\CustomEntity\Index Which two actions are required to make the new page accessible at the
https://your.store.base.url/admin/my_module/custom_entity URL? (Choose two.)

Assume that a customer's cart only includes one downloadable product.
What effect will it cause on the quote object?

In layout files you can change al element's order on a page. This can be done using one of the following:
<move> instruction
before and after element attributes?
How are two methods different?

How do you add a new link into the My Account sidebar?

A module declares the route:

What is the layout handle of the storefront path /custom/feature/?