Which of the following LSA types describes topology information that, when changed,
requires a router in the same area to perform an SPF calculation? (Choose two.)
A.
1
B.
2
C.
3
D.
4
E.
5
F.
7
Explanation:
OSPF builds the SPF tree based on the topology information Type 1 and
Type 2 LSAs. Changes therefore require another SPF run. Changes to the other LSA
types do not require an SPF calculation.