Chapter 1. Networking Fundamentals

Terms You’ll Need to Understand
  • Network
  • LAN
  • WAN
  • Mesh
  • Point-to-point topology
  • Star topology
  • Ring topology
  • Bus topology

Techniques You’ll Need to Master


A qualified CCNA is expected to have a broad understanding of different network technologies and a more detailed knowledge of a few specific ones. This chapter introduces the basics of networking and points out some of the concepts that are tested on the CCNA exam(s).

Components and Terms

A network is a set of devices, software, and cables that enables the exchange of information between them. Host devices are computers, servers, laptops, Personal Digital Assistants (PDAs), or anything a person ...

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