Chapter 3. Network Media and Topologies
The Network Media and Topologies domain accounts for approximately 17% of the CompTIA Network+ exam, but it contains many of the critical areas that CompTIA uses to generate its questions. All of the objectives in this domain are concerned with the physical and data-link layers of the OSI reference model, and most concentrate on the physical elements of the network, specifically the cables and other media that you use to connect computers together.
This chapter covers the following objectives: