Which action should be taken in Cisco ACI to reassign a unique globally scoped pcTag to an EPG that provides a global contract? 

Answer options:

A. Configure subnets that are treated as virtual IP
B. Configure subnets that advertise externally
C. Configure subnets that are shared between VRFs
D. Configure subnets that are private to VRF

C

Reference: https://www.cisco.com/c/en/us/support/docs/cloud-systems-management/application-policy-infrastructure-controller-apic/119023-technote-apic-00.html