CompTIA A+ Question A-96

Which of the following is a characteristic of single-mode fiber compared to multi-mode?

A. Multi-mode fiber is resistant to EMI while single mode is not.
B. Single-mode fiber uses laser while multi-mode does not.
C. Multi-mode fiber supports lower speeds than single-mode.
D. Single-mode fiber uses light, while multi-mode can use light or RF.

Correct Answer: B