Question: What is the primary purpose of the Nsmf_EventExposure_AppRelocationInfo service operation in the 5G System (5GS)?
Option 1: To request relocation of UE PDU Session.
Option 2: To acknowledge notification from SMF regarding UE PDU Session related event(s).
Option 3: To provide Event specific parameter list to SMF.
Option 4: To initiate buffering of uplink traffic.
Explanation: The Nsmf_EventExposure_AppRelocationInfo service operation is used by the Application Function (AF) to acknowledge the notification from the Session Management Function (SMF) regarding UE PDU Session related event(s). This acknowledgement can be either positive or negative, indicated by the cause code.