Brocade Exam Questions

Which two statements are true about QoS zone-based traffic prioritization in a Gen 5 fabric?

Which two statements are true about QoS zone-based traffic prioritization in a Gen 5 fabric?
(Choose two.)

A.
Disabling QoS is potentially disruptive to traffic on the affected port.

B.
It is enforced on egress ports only.

C.
It is supported on 10 Gbps Fibre Channel ISLs.

D.
It is supported in redirection zones.