Question

Communicating systems can communicate with devices and networks outside the HVACR network using:

A) Infrared signals
B) Radiofrequency signals
C) Fiber optic cables
D) Ethernet cables

Answer 1

Fiber optic cables are used to communicate with devices and networks outside the HVACR network.

Step-by-step explanation:

The correct answer is C) Fiber optic cables. Fiber optic cables are used to communicate with devices and networks outside of the HVACR network. Fiber optics use the transmission of light down fibers of plastic or glass to transmit signals, such as telephone, internet, and cable TV signals.