You are booting a NetApp storage system for the first time.
In which order should the various components be powered on?

A.
any tape backup devices, disk shelves, network switches, NetApp controller heads

B.
NetApp controller heads, disk shelves, any tape backup devices, network switches

C.
NetApp controller heads, disk shelves, network switches, any tape backup devices

D.
network switches, disk shelves, any tape backup devices, NetApp controller heads