Brocade Exam Questions

What are two reasons for this happening?

You are moving some FC ports on your DCX 8510 from one logical switch to another switch
and notice a failure error.What are two reasons for this happening? (Choose two.)

A.
QoS is enabled on the ports.

B.
F_Port buffers are enabled on the ports.

C.
They are configured as E_Ports.

D.
They are configured as EX_Ports.