Which two statements about the Ethernet media are true? (Choose two.)

Which two statements about the Ethernet media are true? (Choose two.)
A .  A twisted-pair cable system has each pair of wires twisted together to reduce electromagnetic interference.
B .  Compared to multimode fiber, the single-mode fiber is designed for shorter distances with higher cost.
C .  40 Gigabit Ethernet twinax cables deploy Enhanced Quad Small Form Factor Pluggable (QSFP+) connectors.
D .  The twinax cables can be found in either a shielded twisted-pair or an unshielded twisted-pair variation.

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Answer: A,C