Section 1: Network Fundamentals

This section introduces you to the world of networking, starting with how devices intercommunicate. It then discusses the various types of networking devices along with their functionality. This section also covers popular networking protocols and services that allow a network to share a resource with other devices. Additionally, you will learn about IPv4 and IPv6 addressing, and subnetting techniques.

This section contains the following chapters:

• Chapter 1, Introduction to Networking
• Chapter 2, Getting Started with Cisco IOS devices
• Chapter 3, IP Addressing and Subnetting
• Chapter 4, Detecting Physical Issues, Wireless Architectures, and Virtualization