NAT分为两种：NAT（网络地址转换）和NAPT（网络地址端口转换），前者转后一个本地IP地址对应一个全局地址，后者转后多个本地地址对应一个全局地址。
查看答案
静态路由主要应用在拓扑结构简单的网络，网管通过手工方式配置，实现不同网段间的连接。
A. 对
B. 错
Would ___________ (participant) in the next race come forward?
Most of those shares were ____________(purchase) from brokers.
A quarter of all workers admit _______________( take time off) when they are not ill.
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