Which of the following describes the roles of devices in a WAN (Choose three.)()。

A . A CSU/DSU terminates a digital local loop. B . A modem terminates a digital local loop. C . A CSU/DSU terminates an analog local loop. D . A modem terminates an analog local loop. E . A router is commonly considered a DTE device. F . A router is commonly considered a DCE device.

时间:2022-10-29 03:12:14 所属题库:CCNA系列认证综合练习题库

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