试题详情
多项选择题Which of the following describes the roles of devices in a WAN?()

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

  • A,D,E
  • 关注下方微信公众号,在线模考后查看

热门试题