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Select the action that results from executing these commands. Switch(config-if)# switchport port-security Switch(config-if)# swi
Select the action that results from executing these commands. Switch(config-if)# switchport port-security Switch(config-if)# swi
admin
2019-04-08
16
问题
Select the action that results from executing these commands.
Switch(config-if)# switchport port-security
Switch(config-if)# switchport port-security mac-address sticky
选项
A、 A dynamically learned MAC address is saved in the startup-configuration file.
B、 A dynamically learned MAC address is saved in the running-configuration file.
C、 A dynamically learned MAC address is saved in the VLAN database.
D、 Statically configured MAC addresses are saved in the startup-configuration file if frames from that address are received.
E、 Statically configured MAC addresses are saved in the running-configuration file if frames from that address are received.
答案
B
解析
考点:考查交换机端口安全。sticky 关键字使静态配置和动态学习的mac方式优势相结合
A:把动态学习的mac保存到startup-config文件中,错误。
B:把动态学习的mac保存到running-config文件中,正确。
C:把动态学习的mac保存到vlan数据库中。错误。
D:如果接收到数据帧中包含静态配置的MAC地址,它将被保存在startup-config文件,错误。
E:如果接收到数据帧中包含静态配置的MAC地址,它将被保存在running-config文件,错误静态配置的直接保存在running-config里了。
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