Which feature should be disabled on a bridge domain when a default gateway for endpoints is on an external device instead of a Cisco ACI bridge domain SVI?

Cisco ACI fabric is migrated from network-centric mode to application-centric mode. What is possible in an application-centric design?

A leaf receives unicast traffic that is destined to an unknown source, and spine proxy is enabled in the corresponding bridge domain. Drag and drop the Cisco ACI forwarding operations from the left into the order the operation occurs on the right.

Which action reduces the impact on workload when migrating from the existing Cisco NX-OS VXLAN network infrastructure to the Cisco ACI fabric?

Refer to the exhibit.

Two application profiles are configured in the same tenant and different VRFs. Which contract scope is configured to allow communication between the two application profiles?