Refer to the exhibit. An architect is developing a solution to consolidate networks while retaining device redundancy. The routing protocol for the WAN routers ...

Refer to the exhibit. An architect is developing a solution to consolidate networks while retaining device redundancy. The routing protocol for the WAN routers must be open standard, ensure high availability, and provide the fastest convergence time. Which solution must the design include?

A. both routers running EIGRP B. one router running OSPFv2 and other OSPF v3 C. one router running ISIS and other OSPF v3 D. both routers running OSPFv2