Question: What action can the Access and Mobility Management Function (AMF) take upon receiving a SERVICE REQUEST or CONTROL PLANE SERVICE REQUEST message?
Option 1: The AMF may initiate the common procedures, such as the 5G AKA based primary authentication and key agreement procedure.
Option 2: The AMF will reject the request due to security concerns.
Option 3: The AMF will forward the request to another network function for processing.
Option 4: The AMF will ignore the request and take no action.
Explanation: Upon receiving a SERVICE REQUEST or CONTROL PLANE SERVICE REQUEST message, the Access and Mobility Management Function (AMF) has the capability to initiate common procedures. These include authentication and key agreement processes essential for secure communication in the 5G network, such as the 5G AKA based primary authentication and key agreement procedure. This action is crucial for ensuring the security and integrity of the network and user data.