Which of the following about Type 10 opaque LSAs is TRUE?

Which of the following about Type 10 opaque LSAs is TRUE?
A . Type 10 opaque LSAs are supported by IS-I
C . Type 10 opaque LSAs are flooded to all areas of the routing domain.
D . Type 10 opaque LSAs are stored in an LSD
F . Type 10 opaque LSAs are used for traffic engineering support.

Answer: D