Which term describes the data format used between a control panel and a central receiver?

• A. Communication protocol or format
• B. Encryption level
• C. Power supply type
• D. Wiring gauge

Answer: (A)

The data format used between a control panel and a central receiver is described by the communication protocol or format. This defines the rules for how messages are structured, including how events are encoded, how addresses and identifiers are included, the sequence and timing of data frames, and how errors are detected or corrected so the receiver can interpret what the panel is reporting. Encryption level is about securing the content, not the way the data is arranged or transmitted. Power supply type and wiring gauge relate to hardware and plumbing of the system, not how data is formatted for communication. In practice, discussing the system’s communications means talking about the protocol or format that governs message exchange, such as the specific protocol family being used.