试题详情
- 多项选择题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.
- B,D
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