Question: In a Policy and Charging Control (PCC) architecture, what is indicated by the Default-Access AVP when sent from the PCRF to the PCEF?
Option 1: The UE's preferred access network type.
Option 2: The available IP-CAN types for the subscriber.
Option 3: The default access determined by the Policy and Charging Rules Function (PCRF).
Option 4: The current load of the access networks.
Explanation: This indicates the default access as determined by the PCRF itself, highlighting the PCRF's decision-making role in access selection.