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问题:

Which of the following describes the roles of devi

选项

  • A CSU/DSU terminates a digital local loop.

  • A modem terminates a digital local loop.

  • A CSU/DSU terminates an analog local loop.

  • A modem terminates an analog local loop.

  • A router is commonly considered a DTE device.

  • A router is commonly considered a DCE device.

  • 答案:

    A,D,E