In a Routed 1483 network what method of routing is typically employed on the DSL router？（）

单项选择题Aserviceproviderisassigninga 30subnettoeachATMPVCinaRouted1483environment.Whatisaconsequenceofthisconfiguration？（）

A.It burns up IP addresses.
B.It conserves IP addresses.
C.It results in a smaller routing table.
D.The group of PVCs is treated as a large LAN.

单项选择题InaBridged1483serviceoffering，howdoesanenduser’sworkstationdynamicallyobtainanIPaddress？（）

A.RADIUS server
B.external DHCP server
C.address pool on the DSL modem
D.address pool on the provider router

单项选择题WhatisthemaximumnumberofexternalDHCPserverspervirtualrouterinaBridged1483network？（）

A.3
B.5
C.10
D.20