Question: What is the purpose of the QoS Parameter Notification control in a 5G network?
Option 1: To request notifications from the NG-RAN when the Guaranteed Flow Bit Rate (GFBR) can no longer be guaranteed for a QoS Flow.
Option 2: To enable the SMF to dynamically adjust the QoS profile based on changing network conditions.
Option 3: To allow the AF to trigger rate adaptation in response to changes in available bandwidth.
Option 4: To prioritize traffic from mission-critical applications over other types of traffic.
Explanation: The correct answer is Option 1 because the QoS Parameter Notification control specifically indicates whether notifications are requested from the NG-RAN when the GFBR can no longer (or can again) be guaranteed for a QoS Flow during its lifetime. This allows the network to adapt to changes in available resources and ensure that applications receive the required level of service.