Which three statements are true regarding not-so-stubby areas (NSSAs)? (Choose three.)

Which three statements are true regarding not-so-stubby areas (NSSAs)? (Choose three.)

A. You cannot configure an area as both an NSSA and a stub area.

B. An NSSA exports an external route to the backbone area as a Type 5 LSA.

C. An NSSA exports an external route as a Type 3 LSA.

D. An NSSA does not require an ABR.

E. An NSSA imports an external route as a Type 7 LSA.

Answer: ABE