Question: What factors does a 5G-AN node consider when selecting a TNL association for the Access and Mobility Management Function (AMF) for an initial N2 message, such as an N2 INITIAL UE MESSAGE?
Option 1: Availability of candidate TNL associations and weight factors of candidate TNL associations.
Option 2: Only the availability of candidate TNL associations.
Option 3: Only the weight factors of candidate TNL associations.
Option 4: The type of UE associated with the N2 message.
Explanation: According to the 5G system architecture, a 5G-AN node considers both the availability and weight factors of candidate TNL associations when selecting a TNL association for the AMF for an initial N2 message. This ensures efficient and effective communication between the UE and the network.