多项选择题
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.
单项选择题 How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network？（）
单项选择题 A service provider is operating a Routed 1483 network where the ATM PVCs are treated as a large subnet.What is a consequence of this configuration？（）
单项选择题 Which command configures an ATM PVC in a Bridged 1483 network?（）