Discussion
In which of the following technologies is the term HFC used?
Answer: D
Correct answer: Cable
HFC stands for hybrid fibre-coaxial, the plant a cable operator uses: fibre from the head end to a neighbourhood node, then coaxial cable to the individual premises. It is specific to cable broadband. DSL runs over the existing telephone pair, and Frame Relay and a dedicated T1 are carrier services with no such plant of their own.
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