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 a subnet.
- D、It provides an umbered IP address to the ERX
- E、It provides an IP unnumbered address to ERX
正确答案:B,C,E
答案解析:有
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