OSI is a theoretical model that shows how any two different systems can communicate with e
OSI is a theoretical model that shows how any two different systems can communicate with each other. Router, as a networking device, operate at the ______ layer of the OSI model.
A．transport
B．application
C．network
D．physical
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● OSI is a theoretical model that shows how any tw 计算机类考试 2020-05-26 …
OSI is a theoretical model that shows how any two 计算机类考试 2020-05-26 …