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
Correct Answer: D