多选题A Bridged 1483 service offering is grouping DSL users into a large subnet.What are three characteristics of this configuration?（）AIt burns IP addresses.BIt conserves IP addresses.CA group of PVCs is asubnet.DIt provides a numbered IP address to the ERX
题目
多选题
A Bridged 1483 service offering is grouping DSL users into a large subnet.What are three characteristics of this configuration?（）
A
It burns IP addresses.
B
It conserves IP addresses.
C
A group of PVCs is asubnet.
D
It provides a numbered IP address to the ERX.
E
It provides an IP unnumber edaddress to ERX.