NTC/328: Discussion - Domain Controllers

 Respond to the following in a minimum of 185 words:  

You are the system administrator of a large organization that has recently implemented Windows Server 2016. You have a few remote sites that do not have very tight security. You have decided to implement read-only domain controllers (RODCs). What forest and function levels does the network need for you to do the install? 

Hint: This information can be found in Installing Active Directory.