Read Only Domain Controller
(RODC) stand for Read only domain controller is a server based operating system services which work’s for dc (domain controller). It can be configured at client base system who is at workgroup status.rodc is a services which help us when our main server is crashed when rodc works as server if any changes will change in main server it is also show at rodc server.
Rodc works only when the primary rodc is install at server system rodc has only read permissions so it will only read the changes and what is changed.
Rodc of server1
rodc of server 1 whenever server 1 get fall down rodc server will works as a server 1