单项选择题
Refer to the exhibit.
What is the problem with this configuration？（）
A. Spanning tree PortFast cannot be configured on a port where a voice VLAN is configured.
B. Sticky secure MAC addresses cannot be used on a port when a voice VLAN is configured.
C. Spanning tree PortFast cannot be configured on a port when a sticky secure MAC address is used.
D. The switch port must be configured as a trunk.
相关考题
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多项选择题
You need to configure port security on switch R1. Which two statements are true about this technology？ （）
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.
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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？（）
A. Connecting a host with MAC address 0000.0000.4147 will move interface FastEthernet0/2 into error disabled state.
B. The host with address 0000.0000.4141 is removed from the secure address list after 5 seconds of inactivity.
C. The sticky secure MAC addresses are treated as static secure MAC addresses after the running configuration is saved to the startup configuration and the switch is restarted.
D. Interface FastEthernet0/2 is a voice VLAN port.
E. The host with address 0000.0000.000b is removed from the secure address list after 300 seconds. -
单项选择题
Refer to the exhibit. Which interface or interfaces on switch SW_A can have the port security feature enabled？（）
A. Ports 0/1 and 0/2
B. The trunk port 0/22 and the EtherChannel ports
C. Ports 0/1， 0/2 and 0/3
D. Ports 0/1， 0/2， 0/3， the trunk port 0/22 and the EtherChannel ports
E. Port 0/1
F. Ports 0/1， 0/2， 0/3 and the trunk port 0/22
