Refer to the exhibit. A customer experienced an unexpected network outage when the link between R1 and R2 went down. An architect must design a solution to ensu...

Refer to the exhibit. A customer experienced an unexpected network outage when the link between R1 and R2 went down. An architect must design a solution to ensure network continuity in the event the link tails again. Which solution should the design include?

A. Make R3 an L1L2 router. B. Make R31 an L1 router. C. Make Area 0 L2-only. D. Make R11 an L2 router.