Match the OSPF router type description with its name
– Internal routers -> All the router of this type have identical LSDBs.
– Area border routers (ABR) -> All the routers of this type maintain separate LSDBs for each area to which they connect.
– Autonomous System Boundary Routers (ASBR) -> All the router of this type can import non-OSPF network information to the OSPF network and vice versa using route redistribution.
– backbone router -> none
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