Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）. You have two servers named Server1 and Server2. Server2 is on an isolated network segment. Both servers run Windows Server Update Services （WSUS） 3.0 and have the same WSUS configurations. You copy the WSUS updates from Server1 to Server2. You need to ensure that Server2 has the same WSUS approvals as Server1. What should you do？（）
- AOn Server1， run wsusutil.exe and use the export parameter. On Server2， run wsusutil.exe and use the import parameter.
- BOn Server1， run wsustil.exe and use the movecontent parameter. On Server2， run wsustil.exe and use the movecontent parameter.
- COn Server1， export the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Update Services\Server\Setup registry key. On Server2， import the registry key.
- DOn Server1， create a backup of the %systemdrive%\WSUS\ folder. On Server2， restore the backup.