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计算机
A receiving host computes the checksum on a frame and determines that the frame is damaged.The frame is then discarded.At which
A receiving host computes the checksum on a frame and determines that the frame is damaged.The frame is then discarded.At which
admin
2019-04-08
39
问题
A receiving host computes the checksum on a frame and determines that the frame is damaged.The frame is then discarded.At which OSI layer did this happen?
选项
A、 session
B、 network
C、 physical
D、 data link
E、 transport
答案
D
解析
帧的处理是在二层
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