You asked to deploy a large-scale IS-IS network with multiple areas.
In this scenario, which two statements are true? (Choose two.)
A.
The area IDs must be the same for Level 2 routers to from an adjacency.
B.
Level1 routers can from an adjacency with any other Level 1 router.
C.
Level1 routers can from an adjacency with any other Level 2 router.
D.
The area IDs must be the same for Level1 routers to from an adjacency.