Question: In a scenario where a PCRF is deployed, how does the IP Edge/PCEF handle the default Access Profile QoS provided by the Broadband Fixed Access Network for an IP-CAN session?
Option 1: The IP Edge/PCEF enforces both the default Access Profile QoS and the default QoS received from the PCRF over Gx.
Option 2: The IP Edge/PCEF does not enforce the default Access Profile QoS provided by the Broadband Fixed Access Network.
Option 3: The IP Edge/PCEF merges the two sets of QoS information to create a unified QoS policy for enforcement.
Option 4: The IP Edge/PCEF enforces the default Access Profile QoS only if no default QoS is received from the PCRF over Gx.
Explanation: According to the specified behavior when a PCRF is deployed, the IP Edge/PCEF does not enforce the default Access Profile QoS provided by the Broadband Fixed Access Network. Instead, it relies on the default QoS provisioned by the PCRF over the Gx reference point for enforcement. This ensures consistent policy application as dictated by the PCRF in such architectures.