To avoid classification at all switches within a QoS domain, a switch port may be configured in a
trusted state. Which two statements are true regarding the trust state configuration of a switch
port? (Choose two.)

A.
When mls qos trust is not configured on the port, the default port trust state is DSCP.

B.
When mls qos trust is not configured on the port, the default port trust state is CoS.

C.
The port trust state can be CoS or DSCP only.

D.
When mls qos trust cos is configured on the port, the port default CoS value is used for an
untagged packet.

E.
When mls qos trust cos is configured on the port, the switch classifies an ingress packet by
using the packet CoS value.