Appendix C. Exam Essentials
Chapter 1: Computer Network Fundamentals
A network’s purpose is to make connections. Examples would include file sharing, video chatting, e-mail, and Voice over IP (VoIP).
The basic components are a client, which is the device that’s requesting resources; a server, which is providing resources; the media, which could be physical or wireless; and the infrastructure, which could include switches and routers.
A local-area ...