Question: When an Application Function (AF) wants to update an existing Individual Time Synchronization Exposure Configuration, what type of HTTP message should it send to the Network Exposure Function (NEF), and what data type should be included in the request body?
Option 1: HTTP GET with TimeSyncExposureConfigNotif data structure
Option 2: HTTP PUT with TimeSyncExposureConfig data type
Option 3: HTTP POST with Ntsctsf_TimeSynchronization_ConfigUpdateNotify service operation
Option 4: HTTP DELETE with Time Synchronization Coverage Area parameters
Explanation: To update an existing configuration, the AF needs to modify the existing resource, which is achieved by sending an HTTP PUT message. This message should include the updated configuration details in the body, specifically using the TimeSyncExposureConfig data type as defined for such updates. This ensures that all properties in the existing resource are changed according to the new configuration.