Networking: A Beginner’s Guide Fifth Edition- P90

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Networking: A Beginner’s Guide Fifth Edition- P90:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

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Nội dung Text: Networking: A Beginner’s Guide Fifth Edition- P90

Index 427 security, 6 maintenance, 194, 405–407 account, 143–144 member, 230 antivirus software for, 154–155 name, 245 appropriate, 254–255 needs for, 187–189 audit, 148 processing by, 176–179 back-door threats, 149, 152 production, 226 client/server network, 22 purchase of, 191–192 directory, 147–148 RAID for, 182–186 documentation, 148 RAM for, 180–181, 190–191 e-mail, 153, 154 redundancy, 33 external, 149 replacement of, 193 with file sharing, 24 selection of, 220–221 firewall as, 74 self-monitoring of, 186–187 front-door threats, 149, 150–152 stand-alone, 230 internal, 142–143 storage for, 220 Internet, 28 troubleshooting, 195 log in restrictions, 259–260, 261, 262 workstation and, 176 network, 28, 216–217 serviceability, 201–203 non-password, 146 SERVICES file, 91–92 password, 144–146 session layer, 31 peer-to-peer network, 21 sessions, 31, 123 physical, 22, 151 seven-layer model, 28–32 practices, 148–149 shares, 268 productivity and, 254 creating, 270, 270, 271 remote access, 151 mapping with, 271 shares, 269–270 security for, 269–270 user education, 148 shield, 36, 52 with web servers, 152–153 shielded twisted-pair (STP) cable, 47, 48–49 Windows, 146 short-haul modem, 75, 76 Windows Server 2008, 254 SID. See security ID wireless network, 64 signal handlers, 354 security groups signals, 354 built-in, 265 Simple Authentication and Security creating, 264, 265, 266 Layer (SASL), 119 membership in, 267, 267–268, 268 Simple Mail Transfer Protocol (SMTP), 103, 103 scope of, 266–267 IIS with, 303 Windows Server 2008, 263–268 Small Computer Systems Interface security ID (SID), 255 (SCSI), 181–182, 191 security model, 119 small office and home office (SOHO) networking segment, 38 backup, 60 Sequenced Packet Exchange (SPX), 31 hardware for, 61–62 Serial Advanced Technology Attachment wireless networking for, 62–64 (SATA), 181–182, 191 wiring of, 62 server, 33 SmartStart, 228 backups of, 188–189, 194–195 SMTP. See Simple Mail Transfer Protocol bus capabilities with, 179–180 SNAP. See Ethernet Subnetworking Access Point central processing unit of, 176–178 social engineering, 151–152 certification for, 179 software communications, 219 antivirus, 154–155 compatibility of, 189–190 diagnostic, 192 data management by, 179–180 going zombie, 353 design of, 309 network workstation, 205 disk interfaces for, 181–182 platform-specific, 199, 200 domain controller for, 230 server-testing, 228 environment for, 309 virtual private network, 134 error logs of, 194 SOHO. See small office and home hot-swap components for, 187 office networking installation, 192–193, 311 SONET. See Synchronous Optical Network leasing of, 192 SOX. See Sarbanes-Oxley Act of 2002
428 Networking: A Beginner’s Guide SPX. See Sequenced Packet Exchange thousands of hertz (KHz), 15 SQL Server, 20 thread, 177 SSL. See Secure Sockets Layer TIA. See Telecommunications Industry Association stand-alone server, 230 time zone, 237, 313, 314 Standard 7498, 29 TLDs. See top-level domain names star topology, 41–42, 42, 47 token passing, 46 expense of, 44 Token Ring network, 41, 42, 44 troubleshooting, 56 bandwidth management in, 46–47 step-down modes, 82 cabling of, 49 stock transactions, 393 Tomcat web server, 369 storage, 189 tools network, 214, 215 command-line, 342–351 off-site, 165–166, 168 documentation, 335–336 server, 220 Fedora Linux, 308, 335–336, 342–357 STP. See shielded twisted-pair cable installation, 308 structure, network, 218–220 process, 351–355 su command, 356–357 VMware Server, 386, 386–387, 387 subnet mask, 96–98 top command, 354 subnetting, 96–98 top-level domain names (TLDs), 99 Sun Solaris, 335 topology switches, 35, 66, 69 bus, 39, 39, 40–41, 54 backbone, 34 common bus multipoint, 39, 39, 40–41 echoing by, 70 network, 38 hub as, 68, 70, 70, 71 ring, 44, 45 quantity of, 71 star, 41–42, 42, 44, 47, 56 symbolic links, 338 TRACERT command, 72 Symmetric DSL (SDSL), 84 traffic, connection devices for, 66–67 sync command, 350–351 Transmission Control Protocol (TCP), 31, 90 Synchronous Optical Network (SONET), 44 transport layer, 31 syntax, 118 Trojan horse, 153, 154 system troubleshooting, 7 account management, 407–411 coaxial cable, 56–57 maintenance, 399 server, 195 name, 355, 355, 356 star topology, 56 trust relationships, 116, 117 twisted-pair cabling, 48, 48–50, 49 ratings of, 51, 52 T two-factor authentication system, 137 T-1 connection, 85–86 two-factor identification, 146 tape archive, 347–348, 348 type command, 348 tar command, 347–348, 348 Task Scheduler, 276 TCP. See Transmission Control Protocol TCP/IP, 90 U leasing of, 298 Ubuntu Linux, 364–369, 384 manual addresses for, 298 desktop version, 370–371 scope of, 298, 299 installation, 385 Telecommunications Industry Association (TIA), 51 ISO file, 371, 381 Telnet, 102–103 live cd, 384, 385 temperature monitor, 33 run virtual machine, 384, 384–386 terminations, 399, 410–411 UDP. See User Datagram Protocol terminator, 56–57 Ultra SCSI, 182 testing Ultra2 SCSI, 182 Apache web server, 362–363 Ultra160 SCSI, 182 compliance, 400–401 Ultra320 SCSI, 182 hardware, 227–228 Ultra640 SCSI, 182 Thick Ethernet, 48 uname command, 355, 355, 356 Thin Ethernet, 41, 48, 52, 66 UNC. See Universal Naming Convention thousands of bits per second (Kbps), 15 Universal Naming Convention (UNC), 271
Index 429 UNIX, 21, 33 virtual private network (VPN), 26 command line of, 331–333 compatibility with, 133–134 host with, 100, 311 cost, 132 processes in, 351 firewall, 135 unshielded twisted-pair (UTP) cable, 47, 48, 48–49 for remote access, 132, 132–134 updates, 118 RRAS with, 301 upgrading sensitive data on, 133 backup before, 231 software, 134 cost of, 203 SSL, 135–136, 136, 137–138, 138, 139 Windows Server 2008 as, 228, 229, 231, 233, 236 types of, 134–136 uplinks, 68 WAN or, 78 uptime command, 310 virtualization, 366 U.S. Government Accounting Office (GAO), 394 virus, 153, 154–155 U.S. Securities and Exchange Commission (SEC), 392 VMware ESXi, 367, 368 disclosure review by, 394 VMware Server, 367, 368 USB controller, 382, 383 CD-DVD access, 380, 380–381, 381 useful life, 204 datastore, 371, 372 Usenet (NetNews), 102 downloading, 369 user, 6 Internet Explorer, 369 account, 6, 113, 255, 256 317, 318 log in, 370 education, 148 management console, 369–370, 371, 371, 386 Fedora Linux, 317, 318 RAM suggested by, 374 growth rate, 214 Tools, 386, 386–387, 387 log in list, 356 virtual disk interface type with, 378 network, 214–215 virtual machine with, 372–382, 373, 374, 375, remote office, 124, 125 376, 377, 378, 379, 380, 381, 382, 383, 386 requirements by, 215 Voice over IP (VoIP), 104 security, 148 VoIP. See Voice over IP switching, 356–357 VPN. See virtual private network Windows Server 2008, 255, 256, 256–257, 257, VT100-style terminals, 354 258–259, 259, 260, 260, 261 user account leaf object, 113 User Datagram Protocol (UDP), 90–91 User Manager program, 324–327, 325, 326, 327 W UTP. See unshielded twisted-pair cable wall penetration, 53 WAN. See wide area network WAP. See wireless access point V web page, 364 whereis command, 350 VDSL. See Very-high-speed DSL which command, 349 version control, 22 whistleblower system, 391 Very-high-speed DSL (VDSL), 84 who command, 356 videoconferencing, 83 wide area network (WAN), 27 virtual device mode, 378 connection types for, 81–87 virtual disk, 376, 376–378, 377, 385 cost of, 78 virtual machine, 366 dedicated, 80, 81 backing up, 388 file sharing in, 78 CD-DVD access, 380, 380–381, 381 partitioning with, 114 creation of, 372–382, 373, 374, 375, 376, 377, requirements of, 79 378, 379, 380, 381, 382, 383 routers for, 72 floppy drive access, 382, 382 SDSL for, 84 guest operating system for, 385 switched link, 79–80, 80 hard disk for, 376, 376–378, 377, 385 Wide SCSI, 181 IP address with, 379 wildcards, 332 network adapter for, 378, 378–380, 379 Windows, 36, 61 processors, 375 deleting account on, 262, 263 RAM for, 373, 374, 375 disabling account on, 262 Ubuntu Linux, 384, 384–386 Performance Monitor, 180 USB controller, 382, 383 processors with, 176, 177
430 Networking: A Beginner’s Guide Windows (continued) user adding with, 256–257, 257, 258 Remote Access Service of, 132 user modifications with, 258–259, Routing and Remote Access Service of, 132, 134 259, 260, 260, 261 security of, 146 Windows Terminal Services with, 304 servers, 190–191 Windows Web Server 2008, 225 System Monitor, 127, 127 Windows Terminal Services, 26 Vista, 21, 61, 206, 369 as adjunct, 305 Windows Internet Name Service (WINS), 107 licensing with, 305 Windows NT, 113, 114, 115–116 remote node connection or, 304 Windows Server 2008, 20. See also Dynamic Host resources with, 304 Configuration Protocol Windows Server 2008 with, 304 Active Directory, 248, 248, 300–301 Windows Vista, 21, 61, 206, 369 Add Features Wizard, 244, 247 Windows XP, 21, 61 Add Roles Wizard, 243, 248 WINS. See Windows Internet Name Service customizing, 242–244 wireless access point (WAP), 63 Database Edition, 224–225 wireless networking, 62–64 DHCP services with, 298 wiring disk, 227, 229 by building, 219 disk format for, 229 cable, 62 Domain Name System with, 300–301 closet, 56 domain of, 240–241, 245–249 home-run, 219 Enterprise Edition, 224 small office and home office networking, 62 hardware compatibility with, 225–226 word processing, 213 hardware configuration with, 226 workgroup, 229, 230 hardware testing for, 227–228 workstation, 176 Initial Configuration Tasks, 236, 237–240, workstation-class computer, 36 241, 241–242, 242 World Trade Organization (WTO), 158 installation, 231–250 worm, 154 IP address with, 238–239, 243 write caching, 378 Log On To feature, 260–262 WTO. See World Trade Organization new domain for, 245–249 partition for, 234, 237, 238 password, 240, 254, 257–258, 258 permissions, 269 X plug and play devices for, 228 X.25, 86–87 preferences for, 231, 232 X.500 Directory Access Protocol pre-installation decisions for, 228–231 (DAP), 114, 117 preparation for, 225–228 XenDesktop, 26 processor, 226 Xeon series, 178 product key, 232, 234 Xerox Network Systems (XNS), 106 RAM, 226 XNS. See Xerox Network Systems Reliability and Performance Monitor, 276 XOR. See exclusive OR data Remote Desktop, 242 security, 254 security groups on, 263–268 server management with, 230–231 Y server mode for, 229–230, 244 Y2K, 158–159 shares, 268–271 Yahoo! Mail, 26 Standard Edition, 224 Task Scheduler, 276 trial mode, 232, 233, 235 updating, 241 Z as upgrade, 228, 229, 231, 233, 236 user accounts with, 255, 256 zones, 300–301