What is the "Appointment Type" of Delegated Examining vacancy announcements that helps determine how the action will be coded?

What is the Nature of Action Code AND the Nature of Action used to hire candidates "off the street" from a delegated examining announcement with NO prior service?

What is the FEGLI code commonly used when coding an action for a new hire without prior service?

When a current Federal employee with career tenure is selected on a DE announcement, what will they need to do in addition to being placed in tenure code 2 for one year?

What is the FIRST Legal Authority Code AND Legal Authority used when hiring someone through a Direct Hire announcement?