Which three routers can be Level 1 Only routers?

seenagape

11 years ago

Refer to the exhibit.

All routers are running IS-IS. Which three routers can be Level 1 Only routers?
(Choose three)

A.
G

B.
C

C.
A

D.
E

E.
F

F.
B

G.
H

H.
D