What two valid assignee options should an administrator use to configure case assignment rules? Choose 2 answers

What are two good use cases for a Salesforce approval process?
Choose 2 answers

What must an administrator do when creating a record type?

Universal Containers wants support agents skilled in a particular product line to own cases directly after customers log them from an automated channel.
Which feature meets this requirement?

Universal Containers has a private sharing model on Opportunities. The System Administrator has been asked to create a new custom object that will track customer payment information and will link to the Opportunity. Only those users with access to the Opportunity should be able to see the records on the new object.
What should the Administrator do to accomplish this task?