A.ERX ATM IP address B.DSL router IP address C.DSL bridge IP address D.ERX loopback address
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
A.It monitors messages from the external server and updates the routing table as needed. B.It maintains the leases for the DHCP server and reassigns addresses to new subscribers. C.It sends keep alives to the subscriber and makes the address available when the subscriber stops responding. D.It sends keep alives to the subscriber and removes the host route when the subscriber stops responding.