You must troubleshoot a CoS issue on an Ethernet interface which has been observed to drop
packets in the best effort queue. You must determine whether the dropped packets are tail drops.
Which CLI command output accomplishes this task?

A.
show class-of-service interface

B.
show interfaces queue <interface_name>

C.
show interfaces <interface_name> extensive

D.
show class-of-service forwarding-class best-effort