LANs can be connected by using bridges,which operate in the

admin2005-05-10 85

问题 LANs can be connected by using bridges,which operate in the

选项 A、 physical layer
B、data link layer
C、network layer
D、transport layer

答案B

解析

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笔试

原NCRE全国计算机四级

NCRE全国计算机四级

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