多项选择题
A.switchport voice vlan vlan-id
B.mls qos trust device cisco-phone
C.switchport priority extend cos_value
D.mls qos trust cos
E.mls qos trust override cos
单项选择题 Look at the graphic below， the connectivity between Cisco IP phone access port and theworkstation CK-PC has been established， how to manage the traffic？（）
单项选择题 An IP phone connects a user to a switch as shown below： Based on the diagram shown above， which statement is true about the voice traffic coming to theswitch access port that is connected to the IP phone？（）
多项选择题 WhichthreestatementsaretrueaboutimplementingwirelessLANsinthenetworkusingCiscodevices？（）