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单项选择题Select the action that results from executing these commands. Switch（config-if）# switchport port-security. Switch（config-if）# switchport port-security mac-address sticky（）

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.

  • B

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