单项选择题
A.ERX ATM IP address
B.DSL router IP address
C.DSL bridge IP address
D.ERX loopback address
多项选择题 A Bridged 1483 service offering is grouping DSL users into a large subnet.What are three characteristics of this configuration？（）
单项选择题 How does the ERX Edge Router interact with subscriber IP addresses assigned by an external DHCP server?（）
单项选择题 Which configuration command allows the ERX Edge Router to advertise customer networks into the provider’s IGP？（）