Question: What authentication and authorization method is supported for a 5G multicast session in the user-plane procedure?
Option 1: EAP-TLS
Option 2: AKMA/GBA
Option 3: OAuth 2.0
Option 4: Digest Access Authentication
Explanation: According to the security architecture and procedures for 5G System, AKMA/GBA is supported for authentication and authorization in user-plane procedure for security protection of MBS traffic.