CompTIA ITF+ (FC0-U61) — Question 50

Which of the following contains exactly four copper wires?

Answer options

• A. RJ45
• B. VGA
• C. RJ11
• D. USB

Correct answer: C

Explanation

The correct answer is C, RJ11, as it is specifically designed to use four copper wires for telephone connections. RJ45 has eight wires, VGA typically uses more than four for video signals, and USB can have four or more, depending on the type, but is not limited to just four.