After changes are made to the Cisco Firepower Threat Defense configuration using the Cisco Firepower Device Manager API, what must be done to ensure that the new policy is activated? 

Answer options:

A. Submit a POST to the /api/fdm/latest/operational/deploy URI.
B. Submit a GET to the /api/fdm/latest/operational/deploy URI.
C. Submit a PUT to the /api/fdm/latest/devicesettings/pushpolicy URI.
D. Submit a POST to the /api/fdm/latest/devicesettings/pushpolicy URI.

A