You are a network administrator for your company.A Windows Server 2003 computer named Server1 is exhibiting connectivity problems. You monitor Server1 by using System Monitor and Network Monitor. While monitoring， you notice that Server1 has approximately 4 MB of available memory， and the average CPU utilization is running at 95 percent. When you investigate the Network Monitor capture， you notice that some network packets sent to Server1 during the capture have not been captured. You need to ensure that the impact of monitoring on Server1 is reduced and that all packets sent to the computer are captured. What should you do？（）

A. From a command prompt， run the diskperf command.
B. Run Network Monitor in dedicated capture mode.
Configure a Network Monitor capture filter.
D. Increase the buffer size in Network Monitor.