单选题Which of the following layers is associated with the physical hardware address of a network node?（）ALayer 1BLayer 2CLayer 6DLayer 7
单选题
Which of the following layers is associated with the physical hardware address of a network node?（）
A
Layer 1
B
Layer 2
C
Layer 6
D
Layer 7
参考解析
解析：
暂无解析
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