What are the two most common causes of the "SFP validation failed" error on an interface when you attempt to connect a Cisco Nexus 2148T Fabric Extender to a Cisco Nexus 5548UP Switch? (Choose two.)
A. The port must be in switchport monitor mode.
B. It is a hardware limitation of the Cisco Nexus 2148T.
C. The wrong speed is configured on the interface.
D. The incorrect license has been applied on the Cisco Nexus 5548UP.
E. The wrong switchport mode is configured on the interface.
