The Certkiller has a Windows 2008 domain controller server. This server is routinely backed up over the network from a dedicated backup server that is running Windows 2003 OS. You need to prepare the domain controller for disaster recovery apart from the routine backup procedures. You are unable to launch the backup utility while attempting to back up the system state data for the data controller. You need to backup system state data from the Windows Server 2008 domain controller server. What should you do（）

• A、Add your user account to the local Backup Operators group
• B、Install the Windows Server backup feature using the Server Manager feature.
• C、Install the Removable Storage Manager feature using the Server Manager feature
• D、Deactivating the backup job that is configured to backup Windows 2008 server domain controller on the Windows 2003 server.
• E、None of the above