Your company has an Active Directory directory service domain. All servers run Windows Server 2003. All domain controllers are configured to audit specific events. You are developing a security monitoring plan for the domain controllers. You must back up the following information. Local logon attemptsDomain logon attemptsSecurity update installation attempts You need to specify the appropriate log files to back up.  Which files should you specify？ （）

• A、 AppEvent.Evt and NTDS.Evt
• B、 NTDS.Evt and SecEvent.Evt
• C、 SecEvent.Evt and SysEvent.Evt
• D、 AppEvent.Evt and SysEvent.Evt