You are the network administrator for The network consists of a single Active Directory domain named All servers run Windows Server 2003. A member server named TestKing3 hosts files and folders. On TestKing3, you configure a normal backup to run every night. The backup data will be saved to magnetic tape, and a detailed log file will be generated. The backup job will use an account named BackupUser, which is a member of the Backup Operators group. One week later, you use your Administrator account credentials to log on to TestKing3. You start the Backup utility. However, no backup logs are available. You need to verify that the backup jobs are completing successfully. What should you do?（）

• A、Use a text editor to open C:/windows/security/logs/Backup.log. Search for the dates when backups were scheduled.
• B、Start the Backup utility by using the Run As option. Provide the account credentials of BackupUser. From the Tools menu, select Report, and then select the most recent report.
• C、Open the Removable Storage snap-in. Examine the properties of the most recently completed Work Queue object.
• D、Open the Removable Storage snap-in, and then open the properties of the Operator Requests object. On the General tab, clear the Automatically delete completed requests option