You are the network administrator for All network servers run Windows Server 2003. Recently, another network administrator create a scheduled task to perform a normal backup of Microsoft Exchange Server 2003 compuer every Saturday night. You need to perform maintenance tasks on the Exchange server on this Saturday night only. If the backup starts while you are performing the maintenance tasks,data might be corrupted. You need to ensure that the backup task does not start while you perform the maintenance tasks. What are two possible ways to achieve this goal? (Each correct answer presents a complete solution.（）Choose two.)
- A In the Backup utility, clear the Enabled (scheduled tasks runs at specified time) check box.
- B In Control Panel, use Scheduled Tasks to pause Task Scheduler.
- C Run the Schtasks command with the /end /p parameters.
- D Use the Services snap-in to change the startup type of the Task Scheduler service from Automatic to Manual.