You find that a vFC interface is down. Although the switch sent a VLAN response, the response was not received by the CNA, which caused the vFC interface to go down. Which statement describes the most probable cause of this problem?
A. DCBX is misconfigured.
B. CNA does not support FCoE.
C. CoS settings are mismatched between the switch and the host.
D. The VLAN ID of the bound interface to the vFC is a non-FCoE VLAN ID.
E. There is a firmware issue on the FCoE driver.
