Question: What is the primary purpose of the Service-level-AA server address information element in the Non-Access Stratum (NAS) protocol for 5G System (5GS)?
Option 1: To carry the address of the service level authentication and authorization server.
Option 2: To authenticate user equipment (UE) to the network.
Option 3: To authorize Quality of Service (QoS) for a specific bearer.
Option 4: To manage session establishment between UE and the network.
Explanation: The correct answer is Option 1 because, according to the provided text, the primary purpose of the Service-level-AA server address information element is indeed to carry the address of the service level authentication and authorization server. This highlights its role in facilitating communication between the UE and the authentication and authorization server for secure access to network services.