多选题
发布日期:2020-04-11
Full-duplex Ethernet uses CSMA/CD to prevent collisions.
Half-duplex Ethernet uses a loopback circuit to detect collisions.
A full-duplex Ethernet card allows 20Mbps for data transmission.
Full-duplex Ethernet makes use of two pairs of wires for data.
An Ethernet hub can operate both half and full duplex simultaneously.
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