An engineer is designing a Cisco Nexus 7000 Series disaster recovery site using the data center interconnect solution to provide gateway redundancy and needs to ensure that devices use gateways in their own data centers.
Which design approach should be used to accomplish this goal?
A. CFS localized to its own data center
B. vPC localized to its own data center
C. FHRP localized to its own data center
D. STP localized to its own data center
