Question: What is a key objective for the Physical Architecture of PLMN (Public Land Mobile Network) Management to achieve, particularly in contrast to the vendor-dependent nature of 2nd generation mobile networks?
Option 1: To prioritize proprietary solutions for enhanced security
Option 2: To enable interoperability between different vendors' equipment for efficient management
Option 3: To focus solely on scalability for large deployments
Option 4: To limit accessibility to sensitive network information
Explanation: The correct answer reflects the shift from vendor-dependent management of 2nd generation networks to a more open and interoperable approach, crucial for PLMN organizations seeking cost-effective solutions with better time-to-market focus. Interoperability allows for efficient management of equipment from various vendors.