Which term refers to a Building Automation and Control Network that includes an application, network, and media access layer and can run over other Layer 2 protocols?

Which term refers to a Building Automation and Control Network that includes an application, network, and media access layer and can run over other Layer 2 protocols?

• A. BACnet/IP
• B. Microcontrollers
• C. FPGA
• D. BACnet

Answer: (D)

BACnet is the Building Automation and Control Network standard that defines a three-layer structure—application, network, and data link (media access). It can run over different Layer 2 transports, such as MS/TP ( RS-485) or Ethernet, making it flexible to operate over various underlying network technologies. This combination of a defined application/network/data-link stack and the ability to run over multiple Layer 2 protocols is what sets BACnet apart as the term for a Building Automation and Control Network.

BACnet/IP represents one transport option within BACnet, specifically using IP networks, but the broader concept described is the BACnet standard itself. The other options—microcontrollers and FPGAs—are hardware components, not a building automation network standard.