[单选题]关于静态NAT，下面（）说法是正确的。

正确答案 ：C

静态NAT将内部地址一对一静态映射到内部全局地址

[单选题]The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?

正确答案 ：A

To prevent unauthorized hosts from getting access to the LAN

解析：解析：Explanation:

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