What must be considered before upgrading?

A customer currently has a CS1000H and wants to upgrade to a CS3000.

What must be considered before upgrading?
A . This upgrade is disruptive and needs planned downtime.
B . A capacity upgrade to a fully populated array has to be performed first.
C . Timeless storage support is not offered for CS1000H entry-level systems.
D . A controller upgrade to a CS1000F has to be performed first.

Answer: B