多项选择题
A.The "mls qos" global configuration command must be entered before configuring AutoQoS.
B.CEF must be enabled.
C.The "no auto qos voip" command is used to disable Cisco AutoQos and revoke all configurations generated by Cisco AutoQos.
D.CDP must be enabled.
E.SNMP must be enabled.
单项选择题 Refer to the exhibit. What is the effect on the trust boundary of configuring the command mls qos trust cos on the switch port that is connected to the IP phone？（）
单项选择题 Refer to the exhibit. Which switch interface configuration command would automatically configure quality of service （QoS） for voice over IP （VoIP） within a QoS domain？ （）
单项选择题 Refer to the exhibit. A trunk link is connected between switch A_SW and switch D_SW. Based on the configuration shown in the exhibit， how would the traffic coming from the switch A_SW be managed？（）