Question: What is the primary purpose of the Nnef_SMContext_Delete service operation in the 5G System (5GS)?
Option 1: To request SMF-NEF Connection release between NF consumer and NEF to support NIDD via NEF.
Option 2: To establish a new PDU session for a user.
Option 3: To modify the APN rate control status for a specific DNN.
Option 4: To retrieve the small data rate control status for a particular S-NSSAI.
Explanation: The Nnef_SMContext_Delete service operation is used by the NF consumer to request SMF-NEF Connection release between NF consumer and NEF, specifically to support Non-IP Data Delivery (NIDD) via NEF. This operation is crucial for managing connections and releasing resources in the 5GS network.