You can map a custom lead field to only one of the following objects at a single instance (check all that apply)?

The support team has asked the System Administrator to automate the notification of a customer's support plan ending - they would like for the Customer Support Rep to receive an email 30 days before the Support Plan Expires (Support Plan Expiration Date is on the Account record). What will the system administrator do?

Public groups can be used to simplify the creation of sharing rules for Administrators.

Validation rules may evaluate an opportunity line item against the opportunity it's associated with

Which administrative permissions are necessary in order to edit profiles?