Which three statements about OSPF partial SPF are true? (Choose three)
A.
If it is triggered by Type 4, all Type 4 LSAs that announce a certain ASBR and all Type 5 and 7
LSAs are processed
B.
If it is triggered by Types 5 and 7, all Type 5 and 7 LSAs that contribute to a certain destination
are processed.
C.
If it is triggered by Type 2, all Type 2 LSAs that contribute to a certain destination are
processed.
D.
It is triggered by the change of Type 3, 4, 5, and 7 LSAs.
E.
It is triggered by the change of Type 2, 3, 5, and 7 LSAs
Explanation:
Executed on a change in a type-3/4/5/7 LSA (as per sections 16.5 and 16.6 of
RFC2328)
If there is a change in a type-1 or type-2 LSA, it affects the topology of the area and so a full SPF
must be run