Which command on the storage system allows you to display statistics on the performance of system resource
such as CPU, NVRAM, network interfaces, and disks?

A.
netstat

B.
netdiag

C.
pktt

D.
sysstat

Explanation:
https://library.netapp.com/ecmdocs/ECMP1196979/html/man1/na_sysstat.1.html
sysstat reports aggregated filer performance statistics such as the current CPU utilization, the amount of
network I/O, the amount of disk I/O, and the amount of tape I/O.