[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:
[单选题]在地址转换中,()用来规定哪些数据包需要进行地址转换
正确答案 :B
访问控制列表
[单选题]路由器上“水平分割”的功能是:()
正确答案 :B
阻止路由环路
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