What bit should be set in the link state PDUs in an IS-IS level-1-2 router to indicate that they are a
potential exit point out of the area ?
A.
ATT (Attached )bit
B.
ABR (Area Border Rorter ) bit
C.
PN (Pseudonode )biy
D.
P(Partition) bit
E.
Down bit
F.
IS-Type bits