Which functionality is NOT available on a custom object?

UVC uses a custom object called Candidates to track information about people who are being recruited for jobs within the company. When an employee refers a recruiting candidate, that employee should have access to the Candidate record, however, only HR users should be able to view, edit, and report on the Salary field. Which action should be recommended for controlling who can view the Salary field?

Which rule can be configured for the Opportunity object? Choose 2 answers

Universal containers requires that all users specify a contract is sent on each opportunity prior to marking it as closed won. uc wants to be able to report on how many opportunities have sent contracts compared to how many have a missing contract when the opportunities closed. what type of field should an app builder configure to fulfill this requirement ?

ABC Company is using assignment rules to distribute cases to regional teams.
Which of the following is true?