Which of the following descriptions about deploying a firewall virtual system is incorrect?

Which of the following descriptions about deploying a firewall virtual system is incorrect?
A . A resource class can be bound to multiple virtual systems at the same time
B . You can view the created virtual systems and allocated resources in the "Virtual System List"
C . Configure the resource class first, and then enable the virtual system for binding
D . Resource class r0 is bound to the root system by default and cannot be deleted or modified.

Answer: C