A company’s business host runs the Linux operating system (CentOS for example). When a storage engineer collects performance data, he needs to use a Linux system performance monitoring tool. Which of the following operations is wrong?

A company’s business host runs the Linux operating system (CentOS for example). When a storage engineer collects performance data, he needs to use a Linux system performance monitoring tool. Which of the following operations is wrong?
A . Use the top command to view CPU usage
B . Use the df command to view storage space
C . Use the iostat command to view disk IO
D . Use the free command to view network IO information

View Answer

Answer: D