多项选择题
A. Port security can be configured for ports supporting VoIP.
B. With port security configured， four MAC addresses are allowed by default.
C. The network administrator must manually enter the MAC address for each device in order for the switch to allow connectivity.
D. Withsecurity configured， only one MAC addresses is allowed by default.
E. Port security cannot be configured for ports supporting VoIP.
多项选择题 Refer to the exhibit. Based on the running configuration that is shown for interface FastEthernet0/2， what two conclusions can be deduced？（）
单项选择题 Refer to the exhibit. Which interface or interfaces on switch SW_A can have the port security feature enabled？（）
单项选择题 A Company switch was configured as shown below： switchport mode access switchport port-security switchport port-security maximum 2 switchport port-security mac-address 0002.0002.0002 switchport port-security violation shutdown Given the configuration output shown above， what happens when a host with the MAC address of 0003.0003.0003 is directly connected to the switch port？ （）