多选题Into which two types of areas would an area border router (ABR) inject a default route?（）AstubBthe autonomous system of an exte rior gateway protocol (EGP)CNSSADtotally stubbyEthe autonomous system of a different interior gateway protocol (IGP)Farea 0
多选题
Into which two types of areas would an area border router (ABR) inject a default route?（）
A
stub
B
the autonomous system of an exte rior gateway protocol (EGP)
C
NSSA
D
totally stubby
E
the autonomous system of a different interior gateway protocol (IGP)
F
area 0
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