${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{i}s\text{a}\text{b}\text{r}\text{o}\text{a}\text{d}\text{c}\text{a}\text{s}\text{t}\text{m}\text{e}\text{d}\text{i}\text{u}\text{m}\text{.}}$

Group $of$ answer choices

Microwave

Coaxial

Fiber$-$optic

Twisted$-$pair