You are the network administrator for TestKing. All network servers run Windows Server 2003, and all are configured to run normal backups. A database server named TestKingSQL runs Microsoft SQL Server 7.0. You discover that some database files on TestKingSQL are not backed up during scheduled backups. You open the Scheduled Job Options dialog box for one of the scheduled backups, as shown in the exhibit. You need to modify the properties of the scheduled backup job to ensure that all database files on TestKingSQL are backed up, even when users are accessing those files. What should you do?（）

• A、Enablethe/SNAPswitchontheruncommand.
• B、Enablethe/Vswitchontheruncommand.
• C、Configureacopybackup.
• D、Configureadailybackup.