What does the secondary Cisco NAM do after it reboots from its initial configuration?

What does the secondary Cisco NAM do after it reboots from its initial configuration?

A.
Switches to active mode, enabling load sharing with the primary Cisco NAM

B.
Automatically sends a message to all Cisco NAS Servers, identifying itself as the secondary Cisco NAM

C.
Automatically Synchronizes its database with the primary Cisco NAM

D.
Takes over as the active Cisco NAM if the secondary Cisco NAM has a higher priority