Cisco Exam Questions

Which statement is true when voice traffic is forwarded on the same VLAN used by the data traffic?

Refer to the exhibit. Which statement is true when voice traffic is forwarded on the same VLAN used by the data traffic?

A.
Quality of service cannot be applied for the voice traffic.

B.
The voice traffic cannot be forwarded to the distribution layer.

C.
Port security cannot be enabled on the switch that is attached to the IP phone.

D.
The voice traffic cannot use 802.1p priority tagging.