A merchant tasks you to keep sales managers out of the system configuration backend pages.
How do you do that using the admin interface?

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/?

You are working on a jewelry store that sells rings. Each ring allows an adjustment in size. The customer specifies finger size in inches and the merchant physically adjusts the stocked ring to the required size.
How is this represented in Magento?

A module you are developing requires the addition of new routes that should be accessible in the store front.
Where do you define your module's frontName?

A module declares the route:

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