Question: What is the primary purpose of the Nnef_TrafficInfluence_Update operation in the 5G System (5GS)?
Option 1: To create a new traffic influence request
Option 2: To update an existing traffic influence request identified by the AF Transaction Id
Option 3: To delete a traffic influence request
Option 4: To retrieve information about a traffic influence request
Explanation: The Nnef_TrafficInfluence_Update operation is used to authorize and update an existing traffic influence request, which is identified by the AF Transaction Id. This operation allows for modifications to be made to the original request, ensuring that the traffic influence is updated accordingly in the 5GS network.