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.

时间:2022-09-30 13:31:11 所属题库:CCNA(640-801)题库

相似题目

推荐题目