Question: In a 5G System, when sending an MBS Session Status event(s) notification from the Network Exposure Function (NEF) to a subscribed Application Function (AF), what HTTP method is used by the NEF to target the notification URI provided by the AF?
Option 1: HTTP GET
Option 2: HTTP PUT
Option 3: HTTP POST
Option 4: HTTP DELETE
Explanation: The correct answer is Option 3 (HTTP POST) because the NEF uses this method to send notifications to the AF, aligning with its purpose of sending data to create or update a resource, in this case, notifying about changes in MBS session status.