A.一个CSU/DSU转换成模拟信号，从路由器到租用线路；一个调制解调器从一个路由器到一个租用线路转换的模拟信号。
B.一个CSU/DSU转换成模拟信号，从路由器到电话线；一个调制解调器从一个路由器到一个租用线路将数字信号转换。
C.一个CSU/DSU转换从路由器到电话线的数字信号；一个调制解调器从一个路由器到一个电话线路转换的模拟信号。
D.一个CSU/DSU转换从路由器到租用线路的数字信号；一个调制解调器从一个路由器到一个电话线路将数字信号转换。
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更多“csu/dsu和modem的不同点是什么（）”相关的问题
第2题
A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.
B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.
C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.
D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.
第3题
A. A CSU/DSU terminates a digital local loop.
B. A router is commonly considered a DCE device.
C. A modem terminates an analog local loop.
D. A router is commonly considered a DTE device.
E. A modem terminates a digital local loop.
F. A CSU/DSU terminates an analog local loop.
G. A modem is used to terminate a T1
第7题
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
第8题
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.
第9题
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
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