Question: What is the primary purpose of the Nnef_NIDDConfiguration_UpdateNotify service operation in the 5G System (5GS)?
Option 1: To request NIDD configuration updates from the NF consumer.
Option 2: To notify the NF consumer about NIDD Configuration Updates due to NIDD Authorization Updates.
Option 3: To provide GPSI and TLTRI information to the NEF.
Option 4: To retrieve Cause and NIDD Duration information from the NF consumer.
Explanation: The correct answer is Option 2 because the Nnef_NIDDConfiguration_UpdateNotify service operation is specifically used by the NEF to notify the NF consumer about NIDD Configuration Updates that occur due to NIDD Authorization Updates, as stated in the description of the service operation.