RAS
DSLAM
ATMswitch
RADIUSserver
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
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多选题In a PPP over ATM service offering,which two methods are available for dynamically allocating an IP address to the customer's device?（）ADHCPBRADIUS serverClocal address poolsDstatic IP assignmen
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 DSL modemC ERX Edge RouterD customer workstation
单选题A user is connected on a DSL line and is using a PPP over Ethernet service.Which network device strips the ATM header from the datagram and investigates the PPP header?（）A DSLAMB DSL modemC ERX Edge RouterD customer workstation
多选题Which of the following describes the roles of devices in a WAN?（）AA CSU/DSU terminates a digital local loopBA modem terminates a digital local loopCA CSU/DSU terminates an analog local loopDA modem terminates an analog local loopEA router is commonly consideredaDTEdeviceFA router is commonly considereda DCE device
多选题When multiple PPP over Ethernet subscribers connect using the same DSL modem, which two attributes does the ERX use to differentiate between subscribers? （）(Choose two.)APPP session IDBsubscriber nameCsource MAC addressDdestination MAC address
多选题Which of the following describes the roles of devices in a WAN?（）AA CSU/DSU terminates a digital local loopBA modem terminates a digital local loopCA CSU/DSU terminates an analog local loopDA modem terminates an analog local loopEA router is commonly considered a DTE deviceFA router is commonly considered a DCE device
