多选题Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment?（）ASwitchBRouterCNICDhubERepeaterFRJ-45 transceiver
多选题
Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment?（）
A
Switch
B
Router
C
NIC
D
hub
E
Repeater
F
RJ-45 transceiver
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