What is the purpose of the transit VLAN when implementing dynamic segmentation policies involving AOS-CX...

It identifies the VLAN that the user traffic will be assigned to when it comes out of the tunnel and is forwarded by the gateway.

It identifies the VLAN that the user traffic will be assigned to, whether the traffic is tunneled or locally switched

It defines the VXLAN identifier to identified UBT traffic between the AOS-CX switches and the gateway solution

It identifies the VLAN that the switch will use when tunneling the traffic to the gateway