Which of the following is true of external LSAs in the Junos OS?

A.
External LSAs are of Type 4.

B.
Type 2 external LSAs do not consider internal reachability metrics.

C.
The route preferences for Type 1 and Type 2 External LSA is 150 and 155, respectively.

D.
Type 7 LSAs are never allowed in not-so-stubby areas.