A network administrator recently redistributed RIP routes into an OSPF domain. However,
the administrator wants to configure the network sothat instead of 32 external type-5 LSAs
flooding into the OSPF network, there is only one. What must the administrator do to
accomplish this?

A.
Configure summarization on R1 with area 1 range 172.16.32.0 255.255.224.0

B.
Configure summarization on R1 with summary-address 172.16.32.0
255.255.224.0

C.
Configure area 1 as a stub area with area 1 stub

D.
Configure area 1 as a NSSA area with area 1 stub nssa