多项选择题
A. When the voice VLAN feature is enabled， all untagged traffic is sent according to the default CoS priority of the port.
B. Enabling voice VLANs enables the switch to create multiple queues for traffic that is entering a port.
C. When voice VLANs are configured on a trunk link， UplinkFast must also be enabled.
D. Voice VLANs are configured to enable the switch to forward frames marked with the proper CoS values over separate physical links.
E. Enabling voice VLANs enables the switch to forward frames with a specific 802.1P marking.
单项选择题 Refer to the exhibit. Which statement is true about the configuration that is shown？ （）
单项选择题 The Company network administrator has entered the "auto qos voip cisco-phone" command on switch R1. What does this command do？（）
多项选择题 Refer to the exhibit. Which three statements are true about the voice VLAN configuration of the Catalyst switch？ （）