Which of the following statements correctly describe the differences between half-duplex a
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.