Which of the following statements is true pertaining to company-owned, fully managed device enrollment:

To enroll a device in a fully managed state, devices must be enrolled from a fresh out of the box state.
Devices that have previously been through out of box setup can be enrolled over the air.
EMM apps can be downloaded from Google Play to enroll a device in a fully managed state.
Corporate owned fully managed devices can only be enrolled on premise by company IT.