Question: What is a primary purpose of the Diameter message priority mechanism in the context of IP Multimedia (IM) Subsystem Cx and Dx Interfaces?
Option 1: To enhance security for sensitive user data transmission
Option 2: To optimize Diameter node resource allocation based on message type
Option 3: To standardize Diameter message formatting for easier parsing
Option 4: To inform routing, resource allocation, and overload control decisions based on message priority
Explanation: The Diameter message priority mechanism is designed to indicate the relative priority of messages, informing decisions on routing, resource allocation, and overload control, ensuring efficient service delivery in telecom networks.