Question: What happens to the AS security context during a transition from CM-CONNECTED to CM-IDLE in a 5G network?
Option 1: The gNB/ng-eNB updates the AS security context with new parameters.
Option 2: The UE and AMF renegotiate the AS security context.
Option 3: The gNB/ng-eNB and the UE delete the AS security context.
Option 4: The AS security context is transferred to the AMF for storage.
Explanation: During a transition from CM-CONNECTED to CM-IDLE, the gNB/ng-eNB no longer needs to store state information about the corresponding UE. As part of this process, both the gNB/ng-eNB and the UE release all radio bearers and delete the AS security context to free up resources and maintain network efficiency.