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Exam 010-151 Question id=909 General Networking Knowledge

Which two statements about the Ethernet media are true?

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.