Question 1
\Magento\Sales\Model\Api\OrderRepositoryInterface::getList accepts a SearchCriteriaInterface to filter and sort information.
What class assists in creating an instance for SearchCriteriaInterface?
What class assists in creating an instance for SearchCriteriaInterface?
Question 2
How can you access the select query of a collection?
Question 3
A module declares the route:

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

What is the layout handle of the storefront path /custom/feature/?
Question 4
How should a developer display a custom attribute on the category edit page in the admin panel when a new module Vendor.Category is created?
Question 5
Which file is used to add a custom router class to the list of routers?