Standard picklists can be the controlling field but not the dependent in a field dependency:

You can customize to restrict users ability to log in to saleforce.

A particular role needs edit on contacts, view, edit and delete on contracts and only view on accounts. Where can the administrator make the change?

The system administrator has created a new custom object and application. This individual now needs to populate the new object with 1000 records, which are formatted in a CSV file. The Import Wizard (Data Management --> Import Custom Objects) is appropriate for this task.

You can create a Lookup Relationship to link an object with itself.