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?

A company must connect three Cisco ACI data centers by using Cisco ACI Multi-Site. An engineer must configure the Inter-Site Network (ISN) between the existing sites.
Which two configuration steps must be taken to implement the ISN? (Choose two.)

An organization deploys active-active data centers and active-standby firewalls in each data center. Which action should be taken in a Cisco ACI Multi-Pod to maintain traffic symmetry through the firewalls?

An engineer configures a new Cisco ACI Multi-Pod and must set up the link between the spine and the IPN device. Which three actions should be taken to accomplish this goal? (Choose three.)

Refer to the exhibit. The client endpoint uses the load-balancer VIP as the destination address to send traffic to the server endpoint. If the load balancer does not do source NAT, which set of configurations must be applied on Cisco ACI to allow only the return traffic to be redirected to the service node?