Question: Which of the following is a primary purpose of initiating the PFCP Association Update procedure between the Control Plane (CP) function and the User Plane (UP) function in a telecom network?
Option 1: To establish a new PFCP association for initial feature negotiation.
Option 2: To terminate an existing PFCP session due to resource unavailability.
Option 3: To modify an existing PFCP association, updating supported features or available resources of the UP function.
Option 4: To synchronize CP and UP functions during network node deployment.
Explanation: The PFCP Association Update procedure is specifically designed to modify existing associations, allowing for updates in supported features or available resources of the User Plane (UP) function. This is crucial for dynamic adjustments in telecom networks without requiring the establishment of new associations.