Part I, "Up Front: Network Planning and Design Concepts," starts off with a short chapter about the history of computer networks so that you can see how far computer interconnection technologies have developed in just a few short years. Following that is a great chapter written by Tom Crayner about network topologies—might as well start with the basics.
Part II, "Physical Networking Components," covers the physical components that make up your network, from the network cables and network adapter cards to the devices that are used to connect these components. Chapter 6, "Wiring the Network—Cables, Connectors, Concentrators, and Other Network Components," was written by Dwight Torlay, an engineer who not only works in this capacity every day, but also teaches classes on these topics.
Part III, "Low-Level Network Protocols," is where you'll find information about many types of technologies you can use to transmit data across your network. This section starts with a quick review of the IEEE 802.11 standards, followed by a chapter on the oldest LAN technology still in widespread use today: ARCnet.
Part IV, "Dedicated Connections and WAN Protocols," is written for both network administrators who need to connect LANs across large distances and those who need a local dedicated connection to another LAN or the Internet. Here you can find the choices available to you from the high-end T-class connections that give you huge bandwidth data paths.
Part V, "Wireless Networking Protocols," covers just what it says. In the previous edition of this book, wireless networking was just making its way into the marketplace. Even Bluetooth—used for very close connections, such as to replace cables used between keyboards, mice, and other devices to your computer—has probably finally arrived.
Part VI, "LAN and WAN Network, Service, and Application Protocols," contains such subjects as the all-important TCP/IP suite of protocols, applications, and troubleshooting utilities. Because TCP/IP is the main protocol used in LANs today, this is a must-read section for new readers as well as a refresher course for those who already are familiar with the topic.
Part VII, "Network User and Resource Management," will help you learn about managing users and controlling access to network resources. Coverage here includes Windows, NetWare, and Unix/Linux. One of the newest additions to this section is Windows 2003 and how you can use it and the updated Active Directory to manage and secure the network.
Part VIII, "System and Network Security," contains chapters to help you learn the basics about protecting your system. Topics include everything from creating policies and procedures for the workplace, to computer viruses and auditing the actions users perform on the network. Encryption technology is also covered in its own chapter, as are Virtual Private Networks (VPNs) and firewalls.
Part IX, "Troubleshooting Networks," complements most of the previous chapters. Tools you can use for troubleshooting and strategies for going about this process are found here. For small office/home office (SOHO) network users, there is an entire chapter devoted to your network.
Part X, "Upgrading Network Hardware," is a valuable reference for those who want to make use of the latest hardware devices, while trying to protect your investment in existing equipment where possible. A special chapter gives a good overview of adding wireless networking to your wired network.
Part XI, "Migration and Integration," covers the other side of the coin, upgrading from one operating system to another, as well as using multiple operating systems on the same network. This section discusses the many things that are common to most operating systems, as well as tools that can be used to help you integrate a diverse collection of systems into a single heterogeneous network.
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