Question: What is the primary purpose of the UE STATE INDICATION message sent by the User Equipment (UE) to the Policy Control Function (PCF)?
Option 1: To deliver the UPSI(s) of the UE policy section(s) stored in the UE and indicate support for ANDSP, URSP provisioning, VPS URSP, and reporting URSP rule enforcement.
Option 2: To request UE policy updates from the PCF and retrieve OS IDs.
Option 3: To establish a secure connection between the UE and the PCF.
Option 4: To report UE capability information to the PCF.
Explanation: The UE STATE INDICATION message is used by the UE to inform the PCF about its stored policy sections, ANDSP support, URSP provisioning capabilities, VPS URSP support, and ability to report URSP rule enforcement. This message helps the PCF make informed decisions regarding policy control and ensures proper communication between the UE and the network.