Q4 Single choice Flag Why can you not select an Installation type of "EMS + UC-Sec" for a high Availability (duplicated) configuration? A The EMS has too few interfaces for High Availability. B The SBC has too few Interfaces for High Availability. C EMS and UC-Sec have-different interfaces and are incompatible with High Availability. D High Availability configurations always require a separate (standalone) EMS. Correct answer