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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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单选题What will significantly degrade DSL performance， regardless of DSL rate or line length？ （）A
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DSLAMB
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单选题A user is connected on a DSL line and is using a PPP over Ethernet service. Which network device encapsulates the datagram inside of an ATM header?（）A
DSLAMB
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考题
单选题What is the purpose of configuring the router as a PPPoE client?（）A
to provide VPN access over L2TPB
to enable PPP session from the router to the termination device at the headend for metro Ethernet connectivityC
for DSL connectivity and removing the need for the end - user PC to ru n the PPPoE client softwareD
for connecting the router to a cable modem, which bridges the Ethernet frames from the router to the cable modem termination system
考题
单选题In a DSL network，which device terminates the PPP over Ethernet subscriber’s two-wire phone line？（）A
RASB
DSLAMC
ATMswitchD
RADIUSserver
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