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( )主要为报文通过通信子网选择最适当的路径。
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( )主要为报文通过通信子网选择最适当的路径。
A、物理层
B、传输层
C、网络层
D、会话层
时间:2021-09-06 21:31
关键词:
石家庄职业技术学院
会计学
计算机应用基础_2
答案解析
C
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