$39$ Which two statements describe the characteristics of fiber$-$optic cabling? $($Choose two.$)$

Multimode fiber$-$optic cabling carries signals from multiple sending devices.

Fiber$-$optic cabling has high signal loss.

Fiber$-$optic cabling uses LEDs for single$-$mode cables and laser technology for multimode cables.

Fiber$-$optic cabling is primarily used as backbone cabling.

Fiber$-$optic cabling does not conduct electricity.