To create an NSSA totally stubby area in Area 1, what commands should be configured on the
NSSA ABR?

A.
router ospf 1
area 1 nssa

B.
router ospf 1
area 1 nssa no-summary

C.
router ospf 1
area 1 nssa no-redistribution

D.
router ospf 1
area 1 nssa default-information originate

E.
router ospf 1
area 1 nssa default-information originate metric-type 2

Explanation:
Reference:
http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094a88.shtml (See
the topic: defining an NSSA totally stub area)