问题：

[多选] When configuring unified ports on a 5548 switch， which port ordering must be respected？（）

A .  Fibre Channel ports must be configured from the first port in the module.
B .  Ethernet ports must be configured from the last port in the module.
C .  Fibre Channel ports must be configured from the last port in the module.
D .  Ethernet ports must be configured from the first port in the module.