求解！

mashiwengangge

What is valid reason for a switch to deny port access to new devices when port security is enabled?
A. The denied MAC addresses have already been learned or confgured on another secure interface in the
same VLAN.
B. The denied MAC address are statically configured on the port.
C. The minimum MAC threshold has been reached.
D. The absolute aging times for the denied MAC addresses have expired.
Answer: B
这道题应该怎么理解呢？谢谢大家啦！

行云流水

当端口安全开启时，哪个是交换机拒绝端口接入最合理的原因？
在交换机端口上做了mac地址绑定后 非法的mac地址就不能随便接入了

kevin20110117

卡西诺

这题个人认为是A