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427 Index security, 6 account, 143­144 antivirus software for, 154­155 appropriate, 254­255 audit, 148 back-door threats, 149, 152 client/server network, 22 directory, 147­148 documentation, 148 e-mail, 153, 154 external, 149 with file sharing, 24 firewall as, 74 front-door threats, 149, 150­152 internal, 142­143 Internet, 28 log in restrictions, 259­260, 261, 262 network, 28, 216­217 non-password, 146 password, 144­146 peer-to-peer network, 21 physical, 22, 151 practices, 148­149 productivity and, 254 remote access, 151 shares, 269­270 user education, 148 with web servers, 152­153 Windows, 146 Windows Server 2008, 254 wireless network, 64 security groups built-in, 265 creating, 264, 265, 266 membership in, 267, 267­268, 268 scope of, 266­267 Windows Server 2008, 263­268 security ID (SID), 255 security model, 119 segment, 38 Sequenced Packet Exchange (SPX), 31 Serial Advanced Technology Attachment (SATA), 181­182, 191 server, 33 backups of, 188­189, 194­195 bus capabilities with, 179­180 central processing unit of, 176­178 certification for, 179 communications, 219 compatibility of, 189­190 data management by, 179­180 design of, 309 disk interfaces for, 181­182 domain controller for, 230 environment for, 309 error logs of, 194 hot-swap components for, 187 installation, 192­193, 311 leasing of, 192 maintenance, 194, 405­407 member, 230 name, 245 needs for, 187­189 processing by, 176­179 production, 226 purchase of, 191­192 RAID for, 182­186 RAM for, 180­181, 190­191 redundancy, 33 replacement of, 193 selection of, 220­221 self-monitoring of, 186­187 stand-alone, 230 storage for, 220 troubleshooting, 195 workstation and, 176 serviceability, 201­203 SERVICES file, 91­92 session layer, 31 sessions, 31, 123 seven-layer model, 28­32 shares, 268 creating, 270, 270, 271 mapping with, 271 security for, 269­270 shield, 36, 52 shielded twisted-pair (STP) cable, 47, 48­49 short-haul modem, 75, 76 SID.