Question: What is the primary purpose of the Nnef_MemberUESelectionAssistance_Notify service operation in the 5G System (5GS)?
Option 1: To report Member UE selection assistance information to a consumer that has previously subscribed.
Option 2: To request additional filtering criteria from the Application Function (AF).
Option 3: To provide GPSI or UE IP addresses for candidate UEs to the NEF.
Option 4: To indicate the result of an operation execution.
Explanation: The Nnef_MemberUESelectionAssistance_Notify service operation is used by the Network Exposure Function (NEF) to report Member UE selection assistance information to a consumer that has previously subscribed. This allows the consumer to receive important information about candidate UEs, such as GPSI or UE IP addresses, and filtering criteria results.