对于NAT（Network Address Translation)下面哪些描述是正确的？（)

A.网络内部使用保留地址

B.所有的数据流量都要经过NAT网关才能发出

C.应用程序将经过地址转换过的包发给NAT，然后NAT再发出

D.内部地址需要和外部地址一一对应，才能实现地址转换

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发布时间：2022-08-13

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第1题

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选出应填入下面一段英语中______内的正确答案。

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第2题

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第3题

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