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多选题
Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?（）
A
Full-duplex Ethernet uses CSMA/CD to prevent collisions.
B
Half-duplex Ethernet uses a loopback circuit to detect collisions.
C
A full-duplex Ethernet card allows 20Mbps for data transmission.
D
Full-duplex Ethernet makes use of two pairs of wires for data.
E
An Ethernet hub can operate both half and full duplex simultaneously.
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更多 “多选题Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?（）AFull-duplex Ethernet uses CSMA/CD to prevent collisions.BHalf-duplex Ethernet uses a loopback circuit to detect collisions.CA full-duplex Ethernet card allows 20Mbps for data transmission.DFull-duplex Ethernet makes use of two pairs of wires for data.EAn Ethernet hub can operate both half and full duplex simultaneously.” 相关考题
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