CCNP Security Secure 642-637 Official Cert Guide

Chapter 1. Network Security Fundamentals

This chapter covers the following subjects:

• Defining network security: Simply defines network security as it relates to this book.

• Building secure networks: Covers the fundamental network objects and concepts that provide a secure network.

• Cisco SAFE: Details the Cisco SAFE methodology and describes how it can provide an easier design experience and a more secure network architecture.

Many believe that network security is actually two words that are mutually exclusive and that the only way to secure a computer is to segregate it completely. It is true that, by restricting all physical and logical access to a computer system, you can ensure complete security. In most cases, complete security of a ...