Which values on the Enterprise HCM Information task can you override on the Manage Legal Employer information task?

As an implementation consultant, you have configured a rule for the Promote transaction that for workers who are being promoted in the Healthcare US Business Unit, the Position field displays and is required to submit the transaction.
Now that you have created the rule, how do you test it?

Your customer is hiring an employee and assigning a line manager to the newly hired employee. What group of people can be selected in the instance as an employee's line manager?

Your organization uses Calendar Events to track public holidays.
How are workers associated with calendar events (public holidays)?

As an implementation consultant, you have been assigned the task of verifying employment actions as part of your validation testing. You are trying to add an additional assignment for a worker but are unable to see that action.
What are two reasons for this? (Choose two.)