|  |  | Overview

Now that you have learned how to design and build networks, you are able to perform tasks such as to selecting, installing, and testing cable, along with determining where wiring closets will be located. However, network design and implementation are only part of what you need to know. You must also know how to maintain the network and keep it functioning at an acceptable level. This means that you must know how to troubleshoot problems when they arise. In addition, you must know when it is necessary to expand or change the network's configuration in order to meet the changing demands placed on it. In this chapter, you will begin to learn about managing a network using techniques such as documenting, monitoring, and troubleshooting.