A Network Administrator of a Global Organization Is Collapsing All

Multiple Choice

A network administrator of a global organization is collapsing all controllers to a single cluster located in central Europe. Which concern must be addressed?

A) Some channels may not be available consistently across the organization.
B) Different RF policies per office are not available in this configuration.
C) Syslog must be configured to the time-zone of the NMS platform.
D) Centralized controllers cannot uniformly authenticate global users.