单项选择题 You are a network administrator for your company. The network contains a Windows Server 2003 computer named Server4, which functions as a file server. Server4 contains several applications. One application is named App1. Another application is named App2. Users report that App2 is performing poorly. You examine Server4 and discover that App1 was started by using the start app1 /realtime command. You need to ensure that no other application was started by using the /realtime switch. What should you do? （）

单项选择题 You are a network administrator for your company. All servers run Windows Server 2003. You manage a file server named Server8. You need to create a performance baseline for Server8 by using Performance Logs and Alerts. You need to store the performance data in an existing Microsoft SQL Server database on another computer. You create a new counter log, and you select SQL Database as the log file format. When you attempt to save your changes, you receive an error message stating that you must select a data source name. You examine the configuration of the SQL Logs, as shown in the following dialog box. You need to configure the counter log to use a SQL database. What should you do? （）

单项选择题 You are a network administrator for your company. The network contains a Windows Server 2003 computernamed Server3. Server3 functions as a file server. Six users in the accounting department use an accounting software application to open files that are stored in a shared folder on Server3. The users keep these files open for an extended period of time. You need to restart Server3. You need to find out if any files on Server3 are open before you restart the computer. What should you do? （）