Question: In a 5G network, when an Application Function (AF) sets up a connection with a User Equipment (UE) with specific Quality of Service (QoS) requirements, what is the primary role of the Network Exposure Function (NEF) in this context?
Option 1: To enforce QoS policies directly on the Radio Access Network (RAN)
Option 2: To provide the UE with QoS configuration settings for manual setup
Option 3: To authenticate the AF before allowing QoS requests to be processed
Option 4: To interact with 5G Core Network (5GC) Network Functions (NFs) to apply the requested QoS requirements to the session
Explanation: The NEF's role in this scenario is to facilitate the application of QoS requirements by interacting with 5GC NFs, ensuring that AF-provided QoS specifications for a session are properly implemented within the network.