Question: Which of the following functional entities are typically part of an Offline Common Services Server in support of Mission Critical (MC) services within a telecommunications network?
Option 1: Authentication Server and Policy Management Server
Option 2: Configuration Management Server only
Option 3: Configuration Management Server and Group Management Server
Option 4: Billing System and Content Delivery Server
Explanation: In the context of supporting Mission Critical (MC) services, an Offline Common Services Server handles specific backend tasks efficiently. The correct composition includes both a Configuration Management Server, overseeing settings and updates for MC services, and a Group Management Server, responsible for organizing and managing user groups - crucial for MC communications, such as public safety group calls or emergency response team coordination. These entities ensure seamless and reliable service configuration and group operations, even in offline or limited connectivity scenarios.