Question: What is the primary purpose of the Nnef_TrafficInfluenceData_Unsubscribe service operation in the 5G System?
Option 1: To request AF traffic influence data from the NEF.
Option 2: To explicitly unsubscribe notifications of AF traffic influence request information for NF consumers.
Option 3: To provide AF traffic influence data to the NEF.
Option 4: To establish a new subscription for AF traffic influence request information.
Explanation: The Nnef_TrafficInfluenceData_Unsubscribe service operation is used by NF consumers to explicitly unsubscribe from receiving notifications of AF traffic influence request information, which they had previously subscribed to. This allows them to stop receiving updates on AF traffic influence data.