Question: Which entity sends the PDU SESSION AUTHENTICATION COMPLETE message in response to the PDU SESSION AUTHENTICATION COMMAND message?
Option 1: User Equipment (UE)
Option 2: Session Management Function (SMF)
Option 3: Access and Mobility Management Function (AMF)
Option 4: Policy Control Function (PCF)
Explanation: The PDU SESSION AUTHENTICATION COMPLETE message is sent by the User Equipment (UE) to indicate acceptance of the PDU SESSION AUTHENTICATION COMMAND message, which is a crucial step in the authentication process for PDU sessions.