试题详情
- 单项选择题X.25使用映射的作用是()。
A、映射本地IP到对端端口值,以便路由器发送数据时确认发送端口
B、映射本地IP到本地端口值,以便路由器发送数据时确认发送端口
C、映射对端IP到本地端口值,以便X.25交换网络查找数据发送路径
D、映射对端IP到对端端口值,以便X.25交换网络查找数据发送路径
- D
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