An organization is using a link state routing that is not dependent on IP addressing.
Which action enable information across area boundaries in this organization?
A . Assign level 1 router interface
B . Assign level 1 routers to different areas
C . Assign level 2 router interface to the backbone area
D . Assign level 2 router to different areas
E . Assign level 2 router interface to different area
Answer: D