For nearly two decades, twisted-pair cable has been the medium of choice for office networking and has evolved to accommodate ever-increasing data speeds. In fact, it is so closely associated with local area networks that the type of twisted-pair wire used for LANs is referred to simply as "Ethernet cable."
But "Ethernet" is not synonymous with twisted pair. Fiber-optic cable, which also carries Ethernet traffic, has gained popularity in the networking arena because of its high-bandwidth capacity, reliability and immunity to electrical and radio-frequency interference and crosstalk.
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