CompTIA A+ Core 1 (220-1001) — Question 96

Which of the following connectors is commonly known as serial?

Answer options

• A. RG-6
• B. RJ11
• C. RS-232
• D. BNC

Correct answer: C

Explanation

The RS-232 connector is widely recognized as a serial connector, commonly used for serial communication in computers and other devices. RG-6 is a coaxial cable standard used for cable television, RJ11 is typically used for telephone lines, and BNC connectors are commonly used for coaxial cables in video applications, making them incorrect options.