DFS and file server

hi

1) i have configured DFS on DC but it is replicate to DC2 so if burn my DC1 server can i get all file from DC2 without any error?

2) burned my DC1 server so i plant to install new same server and want to replace all backup file and folder from my backup HD on this server so we want to make again all setting on all folders and file?

please clear me.