You zipped up the domain`s config directory on the administration server`s machine before making some major configuration changes. You wait to activate after all the changes have been saved. After your changes are in, things start failing badly. You want to go back to the old configuration. What is the best course of action? 

Answer options:

A. Undo the changes you made manually by using the administration console or WLST.
B. 1. Stop the administration server. 2. Replace the config directory on the administration server`s machine with your backup. 3. Restart the administration server.4. Stop the managed servers on each machine.5. Replace the config directory on the machine with your backup.6. Restart the managed servers on the machine.
C. 1. Stop the administration server.2. Extract only the config.xm1 file from the zip file.3. Overwrite config.xm1 on the administration server`s machine with this extracted file.4. Restart the administration server.
D. 1. Stop the administration server.2. Replace the config directory on the administration server`s machine with your backup.3. Restart the administration server.

D