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  3. A network administrator needs to configure port security on a switch．which two statements are true?

A network administrator needs to configure port security on a switch．which two statements are true?

admin2019-04-08  10
问题 A network administrator needs to configure port security on a switch．which two statements are true?
选项 A、        The network administrator can apply port security to dynamic access ports
B、        The network administrator can configure static secure or sticky secure mac addresses in the voice vlan．
C、        The sticky learning feature allows the addition of dynamically learned addresses to the running configuration．
D、        The network administrator can apply port security to EtherChannels．
E、        When dynamic mac address learning is enabled on an interface,the switch can learn new addresses,up to the maximum defined．
答案C,E
解析 A．动态端口不能应用的端口安全
B．in the vioce vlan不正确
C．保存在running configuratin 正确
D．EtherChannels 不能应用端口安全
E．自动学习mac地址可以学到所设置的最大数量，正确
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