The module MyCompany_MyModule provides custom admin interface pages.
Access to these pages should only be granted to specific users.
You add the required configuration to the module's acl.xml file, but the setting does not seem to work as expected.
How do you visually check if Magento evaluates your ACL resource as expected?

You are building a report using complex SQL aggregations to locate the required data.
In what type of class do you put these SQL statements?

What happens when a category's is_anchor attribute is set to 1?

Your module, MyCompany_MyModule, is using the frontName mymodule. You need to locate the class responsible for the frontend path /mymodule/custom.
What file contains the controller class for the frontend path /mymodule/custom?

Products may be accessed using SEO friendly URLs like /my-product instead of /catalog/product/view/id/{ID}
How is this one?