L1-07E.41 – Firewall Program or hardware device that filters the information coming through the Internet connection into your private network or computer system If an incoming packet of information is flagged by the filters, it is not allowed...
L1-07E.40 – Power Over Ethernet Integrates power into a standard LAN infrastructure Enables power to be provided using the same cable as that used for network connection Constraint of having AC power outlets is eliminated Centralized power...
L1-07E.39 – Fiber Modem Because fiber-optics uses light instead of electricity to transmit data, the frequencies that are used are much higher and the data capacity is much greater. The fiber-optic cable itself is made from glass or plastic which is not susceptible to...
L1-07E.38 – Cable Modem Modulates a data signal over cable television infrastructure Cable modems are primarily used to deliver broadband Internet access, taking advantage of unused bandwidth on a cable television...
L1-07E.37 – DSL Digital Subscriber Line provides digital data transmission over the wires used in the “last mile” of a local telephone network. Download speed ranges from 128 kilobits per second (Kbps) to 24,000...
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