As such, which of the following is NOT accurate with respect to what NFPA 1600 requires for warning, notification and communications systems. A. NFPA 1600 requires a facility to have reliable, redundant, and interoperable warning, notification and communication systems. B. NFPA 1600 requires a facility to have protocols and procedures for warning, notification, and communications that are testable and able to alert stakeholders of actual or impending incidents. C. NFPA 1600 requires a fire alarm system compliant with NFPA 72, the National Fire Alarm and Signaling Code. D. NFPA 1600 requires that communication systems be interoperable in order to ensure that responders are able to communicate effectively during an incident