To monitor the performance of IIS (Internet Information Services) on a Windows 2000 server, you would use the tool called "System Monitor".
Let's go through each option to understand why it is correct or incorrect:
Option A) IISMon - This option is incorrect because there is no tool called "IISMon" specifically designed to monitor the performance of IIS.
Option B) System Monitor - This option is correct because "System Monitor" is a built-in tool in Windows that allows you to monitor various performance counters, including those related to IIS.
Option C) Vmmon - This option is incorrect because "Vmmon" is not a tool used to monitor the performance of IIS. It is more commonly associated with virtual machine monitoring.
Option D) Vmstat - This option is incorrect because "Vmstat" is a performance monitoring tool used in Unix-like operating systems, not Windows.
Option E) Rmon - This option is incorrect because "Rmon" is a network monitoring tool, not specifically designed for monitoring the performance of IIS.
The correct answer is B) System Monitor. This option is correct because it is a built-in tool in Windows that allows you to monitor the performance of IIS and other system components.