L - Definitions

  • L

    layer 3

    Layer 3 refers to the Network layer of the commonly-referenced multilayered communication model, Open Systems Interconnection (OSI).

  • leased line

    A leased line is a telephone line that has been leased for private use.

  • long-distance carrier

    A long-distance carrier is a telephone company that provides connections between local exchanges in different geographic areas.

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