Question: What is the purpose of the Nupf_EventExposure_UnSubscribe service operation in the 5G System?
Option 1: To subscribe for a specific event notification.
Option 2: To modify an existing subscription correlation ID.
Option 3: To unsubscribe from a specific event notification using the Subscription Correlation ID.
Option 4: To retrieve the operation execution result indication.
Explanation: The Nupf_EventExposure_UnSubscribe service operation is used by the NF consumer or the SMF to unsubscribe from a specific event notification by providing the corresponding Subscription Correlation ID. This allows for the removal of unwanted event notifications, ensuring that only relevant information is received.