Which OSPF area type can contain Type 7 LSAs?
A.
backbone
B.
not-so-stubby
C.
stub
D.
totally stubby
Explanation:
Not-so-stubby Areas
An NSSA makes use of type 7 LSAs, which are essentially type 5 LSAs in disguise. This allows an ASBR to advertise external links to an ABR, which converts the type 7 LSAs into type 5 before flooding them to the rest of the OSPF domain.
An NSSA can function as either a stub or totally stubby area. To designate a normal (stub) NSSA, all routers in the area must be so configured:
