Question: What are the primary functions of the VAL-UDB reference point between the VAL user database and the SEAL server in a telecom network?
Option 1: Managing UE device firmware updates and monitoring network congestion.
Option 2: Handling voice call routing, SMS delivery, and data session management.
Option 3: Storing, obtaining, updating, and deleting user profile data for UE configuration.
Option 4: Controlling access to premium content services and billing integration.
Explanation: The VAL-UDB reference point is specifically designed for managing user profile data. This includes storing new profiles, retrieving existing ones for configuring User Equipment (UE), updating profiles as changes occur, and deleting them when no longer needed. These functions are crucial for personalized services and seamless user experience in telecom networks, highlighting the importance of efficient user data management between the VAL user database and the SEAL server.