You have a Brocade DCX 8510-8 with the default Virtual Fabrics feature enabled. You want to
enable FC-FC routing on this chassis as the backbone.
Which statement is true regarding this environment?
EX_Ports must be configured on the default logical switch in the chassis to connect edge
Sharing devices from the backbone fabric to the edge fabrics is supported.
The backbone fabric can be expanded to other logical switches in interopmode.
A base switch must be created with the routing ports assigned to it.