Network+ Training Guide

Chapter Summary

Network security is a complex subject, and it should be a primary focus for any network administrator.

Being able to effectively secure a network involves understanding the risks that can be a threat to the network as well as what the result of a breach in security might entail.

There is a distinction between physical security and logical security. Physical security involves physically protecting data by controlling access to the network equipment or servers that hold that data. Logical security involves protecting the data on a network from being accessed by unauthorized personnel.

Network operating systems include features that allow you to protect the data on a network by providing authentication capabilities, logon restrictions, ...