Wireless networks are becoming more and more ubiquitous around the globe, as they free us from a lot of the technical difficulties of wired networks. However, they also introduce a number of complications that must be considered. In this section, we will explore some of the most common issues that technicians face in wireless networks.
- Physical layer issues: Wireless signals face even more obstructions than signals in wired media, as these wireless signals are propagating in unguided media. RF signals between APs and client devices often have to propagate through a variety of objects and materials, including concrete walls, glass, and other electronic items. While propagating through these materials, these signals may undergo phenomena such as reflection (where the signals bounce off certain surfaces such as metallic objects), refraction (where...