单选题In a DSL network,which device terminates the PPP over Ethernet subscriber’s two-wire phone line?()ARASBDSLAMCATMswitchDRADIUSserver
单选题
In a DSL network,which device terminates the PPP over Ethernet subscriber’s two-wire phone line?()
A
RAS
B
DSLAM
C
ATMswitch
D
RADIUSserver
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多选题Which of the following describes the roles of devices in a WAN? (Choose three.)()AA CSU/DSU terminates a digital local loop.BA modem terminates a digital local loop.CA CSU/DSU terminates an analog local loop.DA modem terminates an analog local loop.EA router is commonly considered a DTE device.FA router is commonly considered a DCE device.
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