A 2.3.2 Transmission Media
Data has to travel along something. That something is the transmission medium, and the syllabus names three: fibre optic cable, twisted pair cable and wireless. Each carries a signal in a different way, and that difference decides how much data it moves, how far, how safely and at what cost. This page compares the three media across the eight factors the syllabus lists, and sets out where each one wins and where it...