Question: What information does the source NG-RAN send to the target NG-RAN during an inter-NG-RAN handover to support interworking with EPS?
Option 1: UE's IP address
Option 2: Mapping between EBI(s) and QFI(s)
Option 3: UE's bearer context
Option 4: Handover type
Explanation: During an inter-NG-RAN handover, the source NG-RAN sends the mapping between EBI(s) (EPS Bearers) and QFI(s) (QoS Flow Identifiers) to the target NG-RAN. This information is necessary to ensure that the UE's traffic is properly routed and prioritized in the target network, maintaining the required Quality of Service (QoS).