Question: In a 5G System, when the Network Exposure Function (NEF) sends a Media Streaming Event Exposure notification to a subscribed Application Function (AF), which HTTP method is utilized for the Nnef_MSEventExposure_Notify request message?
Option 1: HTTP POST
Option 2: HTTP GET
Option 3: HTTP PUT
Option 4: HTTP DELETE
Explanation: The correct answer is Option 1 because, according to the specified procedure for Media Streaming Event Exposure Notification in the context of 5G System Northbound APIs, the NEF uses the HTTP POST method to send the Nnef_MSEventExposure_Notify request message to the AF. This method is typically used for sending data to a server to create or update a resource, which aligns with the action of notifying an event consumer about a media streaming event exposure.