Question: What is a key characteristic of how an MCVideo client interacts with MCVideo servers when supporting a user involved in multiple groups?
Option 1: An MCVideo client can only establish a relationship with a single, default MCVideo server for all groups.
Option 2: The MCVideo client must periodically switch between different MCVideo servers based on the group's location.
Option 3: Each group has a predefined primary and secondary MCVideo server that the client must alternate between.
Option 4: An MCVideo client can have simultaneous relationships with multiple MCVideo servers to support the user's involvement in multiple groups.
Explanation: This is correct because, according to the functional architecture for Mission Critical Video (MCVideo) services, an MCVideo client supporting a user involved in multiple groups is capable of having relationships with multiple MCVideo servers. This allows for efficient management and support of the user's participation across different groups, each potentially served by its own dedicated MCVideo server for centralized service support.