Question: What is the primary purpose of a Private Service Identity in a telecom network?
Option 1: To enable registration and authentication for public services.
Option 2: To provide a unique identifier for private service users.
Option 3: To facilitate communication between different network operators.
Option 4: To associate Public Service Identities with a Private Service Identity for compatibility with Cx procedures.
Explanation: The correct answer is Option 4 because the Private Service Identity is used to associate Public Service Identities, which is necessary for compatibility with the Cx procedures. This highlights the importance of Private Service Identity in enabling seamless communication and service provision in telecom networks.