A system administrator ran the vmstat command because of performance problems. The output of the vmstat is given:<br /> <img src="https://nimg.ppkao.com/2018-08/zhoulian/2018080211381594062.jpg?sign=0124b4c6fc7ecac121d9bd0add9d0bd1&t=62d4a7fa" /><br /> Based on the output, which of the following is insufficient?()
A、Disk
B、CPU
C、Memory
D、NetworkX