Question: What is the primary purpose of a serving network reporting individual transaction records to the home environment at short time intervals?
Option 1: To facilitate roaming agreements between different visited networks
Option 2: To enable timely billing, itemized bills, and dispute resolution for users and networks
Option 3: To optimize network resource allocation based on real-time usage patterns
Option 4: To enhance security by monitoring transactions across different network environments
Explanation: The primary purpose of reporting individual transaction records at short intervals is to allow for further processing by the billing system, generating itemized bills, and efficiently resolving any disputes related to charges. This ensures transparency and accuracy in billing for both users and networks involved.