Summary

Chapter 12: Advanced Operating Systems 5■■Network access and securityRedundant storage systems, such as Redundant Array of Inexpensive Disks (RAID)and backupsNetwork operating systems provide several protocols designed to perform network functions.These protocols are controlled by code on the network servers. Protocols used by networkoperating systems provide services such as web browsing, file transfer, e-mail, nameresolution, and automatic IP addressing. Network protocols include■■■■■HTTP (Hypertext Transport Protocol): Defines how files are exchanged on the webFTP (File Transfer Protocol): Provides services for file transfer and manipulationPOP (Post Office Protocol): Retrieves e-mail messages from an e-mail serverDNS (Domain Name System): Resolves URLs for websites with their IP addressesDHCP (Dynamic Host Control Protocol): Automates assignment of IP addressesInstall, Configure, and Optimize an OperatingSystemMost operating systems are easy to install. After the computer starts, the Windows XPProfessional installation CD displays a wizard, as shown in Figure 12-1, to guide youthrough the installation process with a series of questions. After the answers to the questionsare provided, the installation wizard completes the installation automatically. In thefollowing sections, you will perform a custom installation of Windows XP Professional.Figure 12-1Windows XP Installation