CompTIA CASP+ (CAS-004) — Question 361

Which of the following industrial protocols is most likely to be found in public utility applications, such as water or electric?

Answer options

• A. CIP
• B. Zigbee
• C. Modbus
• D. DNP3

Correct answer: D

Explanation

DNP3 is specifically designed for use in utility communications and is widely adopted in electric and water utility applications due to its reliability and efficiency. While CIP, Zigbee, and Modbus are used in various industrial settings, they are not as commonly associated with public utility applications as DNP3.