Common Network terms and their definitions

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Cable modem: A modem that connects a computer to a cable TV service that delivers Internet access.
DSL (Digital Subscriber Line): A technology that greatly increases the capacity of ordinary telephone wires to carry digital information.
Hub: A hardware device that connects network components at a central location and transfers data between all of them.
RJ-45 cable (Registered Jack-45): Eight-wire telephone cable used for linking computers to a local area network (LAN).