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?（）

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.

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单项选择题

How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network？（）

A.It maintains DHCP leases on behalf of subscribers.
B.It initiates DHCP requests on behalf of subscribers.
C.It passes DHCP traffic to and from the server;you must configure static host routes.
D.It passes DHCP traffic to and from the server and inserts host routes into its routing table.

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？（）

A.ItburnsupIPaddresses.
B.ItconservesIPaddresses.
C.Itresultsinasmallerroutingtable.
D.EachPVChasaseparate/30subnet