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CompTIA A+ certification exam guide: Exams 220-801 & 220-802

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Bibliographische Detailangaben
1. Verfasser:	Meyers, Michael 1961- (VerfasserIn)
Format:	Buch
Sprache:	English
Veröffentlicht:	New York [ u.a.] McGraw-Hill 2012
Ausgabe:	8. ed.
Schlagworte:	Computer technicians / Certification / Study guides Computers / Maintenance and repair / Examinations / Study guides A+-Zertifikat Lehrbuch
Online-Zugang:	Inhaltsverzeichnis
Beschreibung:	XXXII, 1550 S. Ill. 1 CD-ROM (12 cm)
ISBN:	9780071795128

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245	1	0	\|a CompTIA A+ certification exam guide \|b Exams 220-801 & 220-802 \|c Michael Meyers
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246	1	3	\|a CompTIA A+ certification all-in-one exam guide
250			\|a 8. ed.
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Datensatz im Suchindex

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adam_text	iQNTENTS Preface .................................................. xxxi Acknowledgments ......................................... xxxii Chapter I The Path of the PCTech .................................... I The Importance of Skill in Managing and Troubleshooting PCs .......... 1 The Importance of CompTIA A+ Certification ......................... 2 What Is CompTIA A+ Certification? ............................ 3 Who Is CompTIA? .......................................... 3 The Path to Other Certifications ............................... 4 How Do I Become CompTIA A+ Certified? ........................... 5 What s the Deal with No More Lifetime Certification ? ........... 5 The Basic Exam Structure ..................................... 6 How Do I Take the Exams? ................................... 9 How Much Does the Exam Cost? .............................. 9 How to Pass the CompTIA A+ Exams .......................... 10 Historical/Conceptual .,..>,..; .* . ,,.. .·,.....,. ;... >·.,............ 13 Chapter Review ... . ,........................................... 15 Questions ................................................ 15 Answers .................................................. 17 Chapter 2 Operational Procedures ................................... 19 ■801·· V.^í;;;^VvvvVÍ;K;.v^ The Professional Tech ........................_______............ 19 Appearance ............................................... 20 The Traits of a Tech ........................................ 21 Communication ................................................ 25 Assertive Communication ................................... 26 Respectful Communication .................................. 26 Eliciting Answers .......................................... 27 Expectations and Follow-up ................................. 29 Safety and Tools ................................................ 30 Electrostatic Discharge (ESD) ................................ 30 Anti-static Tools ........................................... 31 Electromagnetic Interference (EMI) ........................... 33 Radio Frequency Interference (RFI) ........................... 33 Physical Safety ............................................ 34 Tools of the Trade .......................................... 36 ChapterReview?·%;V. .ї; щШ^Ь^^Л .:, ^U^i^vS^^^^i^di^V^r^ Questions ................................................ 37 Answers .................................................. 39 Contents xiii Chapter 3 The Visible PC ........................................... 41 I listorical/Conccpiual ,.......................................... 41 How ι ho 14 ; Winks ............................................. 41 Inpul ................................................... 44 Processing .............................................. 44 Output ................................................... 45 Storage .................................................. 45 lhe Лп of the PC Technician ...................................... 46 801.......................................................... 46 lhe Complete PC ............................................... 46 Externai Connections . ...................................... 47 Devices and I heir Connectors ................................ 55 Inside the System Unit ........................................... 62 Case ..................................................... 62 CPU ..................................................... 64 RAM .................................................... 66 Motherboard ............................................. 66 Power Supply ............................................. 67 Floppy Drive ............................................. 68 1 Lud Hrive ............................................. 68 Optical Drives ............................. 6 ) Know Your I .uts ....................................... 71 Chapter Review ................................................ 71 Questions ................................................ 71 Answers ................................................. 73 Chapter 4 Visible Windows .......................................... 75 Historical/Conceptual ..................... — ■..-.i ............... 75 A Brief History of Microsoft Windows .............................. 75 Early Windows ............................................ 77 Modern Windows .......................................... 80 802.......................................................... 80 Windows XP .............................................. 80 Windows Vista ............................................ 84 Windows 7 ............................................... 86 Enter 64-bit Windows ...................................... 88 The Windows Interface ............................................ 94 User Interface ............................................. 94 Hot Keys ................................................ 116 Operating System Folders .................................... . , 117 System Eolder .....................,...................... 117 Program and Personal Document Folders ..................... 118 Tech Utilities .................................................. 122 Right-Click .............................................. 122 Control Panel ___..................-----................... . 124 CompTIA A+ Certification All-in-One Ěxam Guide XIV Device Manager .......................................... 126 System Tools ............................................. 131 Command Line .......................................... 139 Microsoft Management Console ............................. 140 Administrative Tools ...................................... 143 Action Center (Unique to Windows 7) ........................ 149 Beyond A+ ..-/.. ................................................... 151 Windows 8 .............................................. 151 Windows Embedded ...................................... 152 Chapter Review . . ;.....; v. :..........;........................... 153 Questions ............................................... 153 Answers ................................................. 154 Chapter 5 Visible Networks ........................................ 1 57 Historical/Conceptual .,........................................ 157 Networking Technologies ....................................... 160 Topology ................................................ 161 :Ш: :: :/Ш:. l y.: .::, .; .. :.: .. .... ... ... .,.,ΐ, . ■гїТГ.Ї: :^:.;:, . , ...... ібз Frames and NICs ............ . . . ___ .. .. .................. 163 Introducing Ethernet ...................................... 165 Network Protocols, LANs, and WANs ............................. 170 A Short History of the War of the Network Protocols and Why TCP/IP Won ................................... 171 LANs, Routing, and WANs .................................. 172 .802.;: vľ.C. ::^:. :.:ï, /ry : .> ;■: ........ .·. ;........ ... . :: . v-, :,:::.:.....___ 178 Network Organization .......................................... 178 Workgroups ............................................. 178 Domains ................................................ 183 Homegroups ............................................. 186 Chapter Review { y.y. .v. .. .: ,ί, .^ϊ.::. . ş . .-.:--; u^i.;. ;;.^.·.,4; ť. ... ___ .:. . 191 Questions ............................................... 191 Answers ................................................. 193 Chapter 6 Microprocessors ........................................ 1 95 Historical/Conceptual ................. ;..... ľ. .......... .¿ ..... 195 CPU Core Components ......................................... 195 The Man in the Box ....................................... 196 Clock ................................................... 201 Back to the External Data Bus ............................... 204 Memory ...................................................... 205 Memory and RAM ........................................ 206 Address Bus .............................................. 208 Modern CPUs ................................................. 212 Manufacturers ............................................ 212 Technology .............................................. 216 Contents XV Sdťuing, Insi.iHing, ліні lioiibleshooting t Л Пѕ ..................... 227 Selecting a (I ll ......................................... 227 Installáljon Issues ........................................ 229 802......................................................... 238 IrouhleshooiingCI lls ..................................... 238 Beyond Λ+ .................................................... 240 Intd Atom ............................................... 240 Chapter Review ............................................... 240 Questions ............................................... 240 Answers ................................................. 242 Chapter 7 RAM .................................................. 245 łistorical/Conceptual .......................................... 246 Understanding DRAM .......................................... 246 Organizing HRAM ........................................ 247 Practicii ORAM .......................................... 247 DRAM Slicks ............................................. 249 Consumer RAM .......................................... 251 801......................................................... 251 Types of RAM ................................................. 251 SDRAM ................................................. 251 RDRAM ................................................. 252 DDR SDRAM ............................................ 254 DDR2 .................................................. 256 DOR3 .................................................. 257 RAM Variations ........................................... 259 Working will) RAM .............................................. 262 Do You Need More RAM? .................................. 263 Celling the Right RAM ..................................... 271 Installing DIMMs and RIMMs ............................... 272 Installing SO-DlMMs in laptops ............................ 275 802.........................._____..................___.... 277 Troubleshooting RAM .......................................... 277 Testing RAM ............................................. 279 Chapter Review ...........___...........___................. 280 Questions ............................................... 280 Answers ................................................. 282 Chapter 8 BIOS .................................................. 283 Historical/Conceptual ........................____.------....,,., 283 We Need to Talk ............................................... 283 Talking to (he Keyboard .................................... 286 801 ľ, .V·. , z.,.,, v ....... . , . >.... .. ;,..„■/■. v; .ч . . , . .. ..;·..;. ;t; ; 288 BIOS .............,.......................................... 288 CMOS ....................................................... 292 Modify CMOS: The Setup Program ,.....>-----.............. 293 Λ Quick Tour Ilirough a Typical CMOS Setup Program .-----..... 294 CompTIA A+ Certification All-in-One Exam Guide XVI Option ROM and Device Drivers ................................. 303 Option ROM ............................................ 303 Device Drivers ........................................... 305 BIOS, BIOS, Everywhere! ................................... 305 Í2l:i;¿:.v., . . .:. . ·,......■....... : .■—■....................... зоб Power-On Self Test (POST) ...................................... 306 Before and During the Video Test: The Beep Codes .............. 306 Text Errors ............................................... 307 POST Cards .............................................. 307 The Boot Process ......................................... 308 Care and Feeding of BIOS and CMOS ............................. 309 Losing CMOS Settings ..................................... 309 Flashing ROM ............................................. 310 Ѕвеу^Ш^ ........ 311 UEFI . .ľ. ľ. ľ. ................................................ 311 ;ShapÍCTÍJ\|raeW;P:^ ..:. ; .-., v-,^... ...·....... 315 Questions ............................................... 315 Answers ................................................. 317 Chapter 9 Motherboards .......................................... 319 ЇНівІоііісаі/СогісеріиаІ ї^.Ї.^^^і^к-^уч^Ч^ . ...;. :/. .,. . í. ;··.·> .. ... . , ......·... 320 How Motherboards Work ....................................... 320 Form Factors ............................................. 321 МџШШЖ^Жп^-у.^^Л .:.^. · ·■■ ■:■■■ .:■■■■ .w..; .Ü//;-, ; .■.·. . . ;. .. ·-. 324 Chipset ................................................. 328 Motherboard Components ................................. 332 Expansion Bus ................................................ 334 Structure and Function of the Expansion Bus .................. 334 PCI .................................................... 337 AGP .................................................... 339 PCI-X ................................................... 339 Mini-PCI ................................................ 340 PCI Express .............................................. 340 Installing Expansion Cards ................................. 342 Troubleshooting Expansion Cards ........................... 351 Upgrading and Installing Motherboards ........................... 354 Choosing the Motherboard and Case ......................... 354 Installing the Motherboard ................................. 356 ,802;;;i\|§\|v;;^::.p;^ Troubleshooting Motherboards .................................. 361 Symptoms ............................................... 361 Techniques .............................................. 362 Options ................................................. 362 Questions ............................................... 364 Answers ................................................. 366 Contents XVÜ Chapter 1 0 Power Supplies .......................................... 367 I tistorical/Conccptual ......................................____ 368 Understanding IJcf iriťily ........................................ 368 801......................................................... 370 Powering the 14 1 ............................................... 370 Supplying ЛС ............................................ 370 Supplying PC ............................................ 378 Installing ліні M.iinuining Power Supplies ......................... 390 Installing ................................................ 390 Cooling ................................................. 392 802......................................................... 397 Troubleshooting Power Supplies .................................. 397 No Motherboard ......................................... 398 Switches ................................................ 398 When Power Supplies Die Slowly ............................ 399 I uses and lire ............................................ 399 Beyond A+ ..........................................._____... 400 It Clows! ................................................ 400 Modular Power Supplies ................................... 401 Temperature and Ufuiency ................................. 401 Chapter Review ............................................... 402 Questions ............................................... 402 Answers ................................................. 404 Chapter 11 Hard Drive Technologies .................................. 405 I listorical/Concťtuual ......................___................ 405 I low I lard Prives Work ......................................... 405 PI лиег- Based I lard Drives .................................. 406 801.......................................................... 411 Solid-State Drives ......................................... 412 Parallel and Serial ΛΤΛ .......................................... 414 ATA-l ................................................... 415 ATA- 2 ................................................... 418 ATA-3 ................................................... 423 ΑΙΛ-4 ................................................... 424 INTL3 Extensions ......................................... 425 ΛΤΛ-5 ................................................... 425 ΛΤΑ-6 ................................................... 426 AlA-7 ................................................... 426 SCSI: Still Around .............................................. 430 SCSI Chains .............................................. 431 SCSI IDs ................................................. 434 Termination ............................................. 435 Protecting Data with RAID ...................................... 436 RAID ................................................... 438 Implementing RAID .................____.___............ 440 CompTIA A+ Certification All-in-One Exam Guide XVIII Hardware Versus Software .................................. 440 Personal RAID ........................................... 442 The Future Is RAID ........................................ 443 Installing Drives ............................................... 443 Choosing Your Drive ...................................... 443 Jumpers and Cabling on PATA Drives ......................... 444 Cabling SATA Drives ...................................... 445 Connecting Solid-State Drives ............................... 446 Connecting SCSI Drives .................................... 447 BIOS Support: Configuring CMOS and Installing Drivers ............. 448 Configuring Controllers ................................... 448 Autodetection ............................................ 449 Boot Order .............................................. 450 EnablingAHCI ........................................... 452 ^еог,;^?; :> ,λϊ (--ř;^^ ¿ ^Γί·^^. ¿>-y^^ -^^м^^ ^-^-říU.-^;* ^ -,/ .. . .; ..-.:■./ .:452 Troubleshooting Hard Drive Installation ........................... 452 ;Bej^nd:A^Í;\|v;?r^w ;Viíľ.::ľ;,^i, ^.^ .;::>1..>/v;.:i:; ľí:ws:l «:>ľv i> ν;:· ·; .•^•.î^-î.· ···. ·. · · · . 453 Hybrid Hard Drives ....................................... 453 ChapterReview;;:;;^. ■.vyv?;«;;. ;■f,ч■,·:.■>.^feì !/^v.:v^ч V;. >.l·■.î,,.¿ ;■.■/.!.. .-. .V.-. ..;■ 453 Questions .............................................. 453 Answers ................................................. 455 Chapter 1 2 Implementing Hard Drives ................................ 457 flistoncal/Cfonceptuay^ Hard Drive Partitions ........................................... 458 Master Boot Record ....................................... 458 Dynamic Disks ........................................... 462 GUID Partition Table ...................................... 463 Other Partition Types ...................................... 465 When to Partition ......................................... 465 Partition Naming Problems ................................ 466 Hard Drive Formatting .......................................... 467 File Systems in Windows ................................... 468 FAT .................................................... 469 FAT32 .................................................. 476 NTFS ................................................... 477 FAT64 .................................................. 480 The Partitioning and Formatting Process ........................... 481 Bootable Media .......................................... 482 Partitioning and Formatting with the Installation Disc ........... 482 Disk Management ........................................ 489 Formatting a Partition ..................................... 504 Maintaining and Troubleshooting Hard Drives ...................... 505 Maintenance ............................................. 505 Troubleshooting Hard Drive Implementation ................... 510 Contents xix Beyond Λ«· .................................................... 516 I bird- ľany І .шіііои look ................................. 516 Chapter Review ................................................ 519 Questions ............................................... 51 ) Answers ................................................. 521 Chapter 1 3 Removable Media ........................................ 523 I Ustorical/Conccptual .......................................... 524 I loppy Orives ................................................. 524 ľloppy Orive Basics ....................................... 525 801 ......................................................... 526 Installing I loppy Drives .................................... 526 I lash Memory ................................................. 530 USB thumb Drives ........................................ 530 Hash Cards .............................................. 531 Optical Drives ................................................. 535 CD-Media ............................................... 536 DVO-Mcdia .............................................. 544 Blu-ray Disc-Media ........................................ 548 Installing Optical Drives ................................... 551 Troubleshooting Removable Media ............................... 558 1 loppy Drive Maintenance and Troubleshooting ............... 558 Troubleshooting Optical Drives and Discs ..................... 558 Beyond A* .....................___.................___...... 562 Color Books ............................................. 562 BOXI .................................................... 563 Chapter Review .........................,..,.....,............ 563 Questions ............................................... 563 Answers ................................................. 565 Chapter 14 Installing and Upgrading Windows ........................... 567 802......................................................... 567 Preparing Tor Installation or Upgrade .............................. 567 Identify Hardware Requirements ............................ 568 Verify Hardware and Software Compatibility ................... 568 Decide What Type of Installation to Perform ................... 571 Determine How to Back Up and Restore Existing Data, If Necessary 574 Select an Installation Method ............................... 575 Determine How to Partition the Hard Drive and What Iile System to Use ................................. 575 Determine Your Computers Network Role .................... 575 Decide on Your Computer s language and Locale Sellings ,....... 575 Plan for Post-Installation Tasks .............................. 575 Hie Installation and Upgrade Process .............................. 576 Installing or Upgrading to Windows XP Professional ............ 576 Installing or Upgrading to Windows Vista ..................... 578 Installing or Upgrading to Windows 7........................ 581 CompTIA A+ Certification All-in-One Exam Guide XX Upgrading Issues ......................................... 583 The Windows XP Clean Installation Process ................... 583 The Windows Vista/7 Clean Installation Process ................ 590 Automating the Installation ................................ 601 Installing Windows over a Network ........................... 611 Troubleshooting Installation Problems ............................ 613 Text Mode Errors ......................................... 613 Graphical Mode Errors ..................................... 613 Lockups During Installation ................................ 614 Post-Installation Tasks .......................................... 615 Patches, Service Packs, and Updates .......................... 615 Upgrading Drivers ........................................ 616 Restoring User Data Files (If Applicable) ...................... 616 Migrating and Retiring ..................................... 616 No Installation Is Perfect ................................... 625 Questions ............................................... 625 Answers ................................................. 627 Chapter 1 5 Windows Under the Hood ................................ 629 Registry ...................................................... 629 Accessing the Registry ...................................... 630 Registry Components ...................................... 630 Talkin Registry ........................................... 633 Manual Registry Edits ...................................... 634 Command-Line Registry Editing Tools ........................ 636 The Boot Process .............................................. 636 The Windows XP Boot Process .............................. 636 The Windows Vista/7 Boot Process ........................... 641 Processes and Services and Threads, Oh My! ........................ 642 Task Manager ............................................ 643 Performance Console ...................................... 656 Performance Tools in Windows Vista and Windows 7 ........... 660 Tools for Programmers .......................................... 665 Component Services ...................................... 665 Data Sources ............................................. 667 Chapter. Review^VÄ..;^^^^^ Questions ............................................... 668 Answers ................................................. 670 Chapter 1 6 NTFS, Users, and Groups ................................. 67 1 802 ^· -ΐΓ·- --Ш·^ Authentication with Users and Groups ............................. 671 Passwords ............................................... 673 Groups ................................................. 675 Simple Tools for Managing Users ............................ 677 Advanced User Management ................................ 685 Contents xxi Authorization Ihioti^l) NU S .................................... 68 ) VII N IVf missions ......................................... 690 Permission Propagation ................................. 692 lei lis .uu! Permissions ..................................... 694 Sharing л Windows PC Securely .................................. 695 Sturing in Window XI .................................... 695 Sli.uing itt Windows Vista .................................. 699 Sharing in Windows ľ ..................................... 701 I oc.ilittg Shared I olders .................................... 701 Administrative Shares ..................................... 702 Protecting Oaia with Incryption ............................. 703 I Iser Account ( ontrol ........................................... 706 НАС in Windows Visla .................................... 708 НАС in Windows 7 ....................................... 714 Chapter Review ............................................... 717 Questions ............................................... 717 Answers ................................................. 719 Chapter 17 Maintaining and Optimizing Windows ........................ 721 802......................................................... 721 Maintaining Windows .......................................... 721 Windows Patch Management ............................... 722 Managing Temporary liles with Disk Cleanup ................. 729 Registry Maintenance ...................................... 729 ľrror-Checking and Disk Defragmentation .................... 731 Scheduling Maintenance ................................... 732 System Configuration ..................................... 737 System Information ....................................... 739 Optimizing Windows ........................................... 740 Installing and Removing Software ........................... 740 Installing/Optimizing a Device .............................. 744 Performance Optiotts ...................................... 751 I lardware Profiles ......................................... 75.3 Preparing Windows for Problems ................................. 755 Backing Up Personal Data .................................. 755 System Restore ........................................... 768 Chapter Review ............................................... 772 Questions ............................................... 772 Answers ................................................. 774 Chapter 1 8 Working with the Command-Line Interface ................... 775 Historical/Oonccptual ...................-----.-----.............. 776 802.......................................................... 777 Deciphering the Command-line Interface .......................... 777 Accessing the Command Line ............................... 779 Hie Command Prompt .................................... 781 Filenames and File Formats ................................. 781 Drives and Polders ........................................ 785 CompTIA Д+ Certification All-in-One Exam Guide XXII Mastering Fundamental Commands .............................. 786 Structure: Syntax and Switches .............................. 787 Viewing Directory Contents: The dir Command ................ 787 Changing Directory Focus: The cd Command .................. 789 Moving Between Drives .................................... 790 Making Directories: The md Command ....................... 791 Removing Directories: The rd command ...................... 792 Working with Directories ................................... 793 Running a Program ....................................... 794 Working with Files ............................................. 795 Attributes ............................................... 795 Wildcards ............................................... 798 Renaming Files ........................................... 799 Deleting Files ............................................ 800 Copying and Moving Files .................................. 800 And Even More Tools, Utilities, and Commands ................ 804 Using Special Keys ........................................ 807 The compact and cipher Commands ......................... 807 PowerShell .............................................. 812 Questions ............................................... 813 Answers ................................................. 815 Chapter 1 9 Troubleshooting Windows ................................. 817 802:r-^iYY,Y,v.Î; :>:vS ^ Failure to Boot ................................................ 817 Failure to Boot: Hardware or Configuration ................... 818 Failure to Boot: Windows XP ............................... 819 Failure to Boot: Windows Vista and Windows 7. ■ ................ 824 Failure to Load the GUI ......................................... 841 Device Drivers ........................................... 842 Registry ................................................. 843 Advanced Startup Options .................................. 844 Troubleshooting Tools in the GUI ........................... 849 Troubleshooting Tools in Windows Vista and Windows 7 ........ 858 Application Problems .......................................... 863 Application Installation Problems ........................... 863 Problems with Uninstalling ................................ 865 Compatibility ............................................ 865 Missing File or Incorrect File Version ......................... 870 Crashing Programs ........................................ 870 Volume Shadow Copy Service and System Protection ............ 871 Chapter Review v . лу^..^^ ^^^^®-^^ Questions ............................................... 873 Answers .......................... ľ ...................... 875 Contents xxiii Chapter 20 Input Devices ........................................... 877 SOI ......................................................... 877 Supporting ( (immoli l on«. ..................................... 877 Serial Pons .............................................. 877 USH ľons ............................................... 881 I ireWite ľons ........................................... 890 General l on Issues ........................................ 892 Sl.uui.ird Input Devices ......................................... 894 Keyboards ............................................... S94 Mice ................................................... 897 Scanners ................................................ 900 Biometrie Pcvices ......................................... 904 Bar Code Readers ......................................... 906 Touch Screens ............................................ 906 KVM Switches ............................................ 907 Camepads and Joysticks ................................... 908 Digitizers ................................................. 911 Multimedia Devices ............................................ 912 Digital («mieras and Camcorders ............................ 913 Web Cameras ............................................ 916 Chapter Review ............................................... 918 Questions ............................................... 918 Answers ................................................. 920 Chapter 21 Video ................................................. 921 Video Displays ................................................ 922 ł lisloricał/Conccptual ........................-----..........___ 922 CRT Monitors ............................................ 922 801......................................................... 923 I CD Monitors ........................................... 927 Projectors ............................................... 937 Plasma Displays .......................................... 940 Common ľe.mires ........................................ 941 Power Conservation ....................................... 945 Display Adapters ............................................... 946 Modes .................................................. 946 Motherboard Connection .................................. 951 Graphics Processor ........................................ 954 Video Memory ........................................... 955 Integrated CPUs .......................................... 957 Connector Types and Associated Cables ...................... 957 Installing and Configuring Video ................................. 961 Software ................................................ 962 802 .....,...,,..........................,..;.,........,.,.....· 962 Working with Drivers ...................................... 974 3-D Graphics ............................................ 976 CompTIA A+ Certification All-in-One Exam Guide XXIV Troubleshooting Video ......................................... 983 Troubleshooting Video Cards/Drivers ........................ 983 Troubleshooting Monitors ................................. 984 Troubleshooting Playback .................................. 988 DLP . . . . ........... .........___.___.. ................. 989 Questions ............................................... 990 Answers ................................................. 991 Chapter 22 Local Area Networking ................................... 993 Beyond Basic Ethernet Cabling ................................... 994 Alternative Connections ................................... 994 Network Devices ......................................... 998 Structured Cabling ....................................... 1000 TCP/IP ...................................................... 1014 Network Addressing ...................................... 1014 IPv6 ................................................... 1028 Installing and Configuring a Wired Network ....................... 1035 Installing a NIC ......................................... 1035 Configuring a Network Client .............................. 1038 Sharing and Security ..................................... 1039 Troubleshooting Networks ..................................... 1046 Repairing Physical Cabling ................................ 1047 Fixing Common Problems ................................. 1051 Questions .............................................. 1052 Answers ................................................ 1053 Chapter 23 Wireless Networking ................................... 1055 Wireless Networking Components ............................... 1055 Wireless Networking Software .............................. 1059 Wireless Network Modes .................................. 1060 Wireless Networking Security .............................. 1062 Speed and Range Issues ................................... 1065 Wireless Networking Standards .................................. 1066 IEEE 802.11 -Based Wireless Networking ..................... 1066 Other Wireless Standards ................................. 1068 Installing and Configuring Wireless Networking ..................... 1071 Wi-Fi Configuration ....................................... 1071 Bluetooth Configuration .................................. 1080 Cellular Configuration .................................... 1081 Troubleshooting Wi-Fi ......................................... 1083 Hardware Troubleshooting ................................ 1084 Software Troubleshooting ................................. 1084 Contents XXV С onnec uviiy Tiouhleshoniing ............................. 1084 Configuration troubleshooting ............................ 1086 Chapter Itevicw ................. , ........ , ................... Ю86 Questions ............................................. 1086 Answers ................................................ 1088 Chapter 24 The Internet ........................................... 1 089 I listorioU/Concepuul .................___..................... 1089 I low (he Internet Works ........................................ 1080 Internet Tiers ........................................... 1090 H P/IP—Hie Common language of tbc Internei .............. 1002 Internet Service Providers ................................. 1002 Connection Concepts .................................... 1O02 801..........___.......................................... 1094 Connecting to the Internet ..................................... 1004 Піл]. up ................................................ 1004 OSI. .................................................... 1102 Cable .................................................... 1103 1ΛΝ .................................................... 1104 802.11 Wireless ........................................... 1105 Tiber ................................................... 1105 Cellular ................................................. 1106 Satellite ................................................. 1107 Connection to the Internet .................................. 1108 Windows Internet Connection Sharing ....................... Ill Λ Internet Application Protocols ................................... 1114 The World Wide Web ...................................... 1116 F-rmil ................................................... 1121 lile Transfer Protocol (IIP) ................................ 1124 leinet and SSI I .......................................... 1126 SHP .................................................. 112? Voice over IP ............................................ И 27 Remote Desktop ......................................... 1129 Virtual Private Networks .................................. 1132 Support Applications (Internet Utilities) ..................... 13 35 802..................,..................,,................. 1136 Internet Troubleshooting ....................................... 1136 No Connectivity ........................................ 1137 Limited Connectivity ..................................... 1139 local Connectivity ...................................... 1139 Slow Transfer Speeds ..................................... 1140 Beyond A+ ., ,., .·. ,ν , ,.... .ν, ........ .·,. .......-. ,ν,ν. . .>;. ,, . ,. ,·, · .1141 Online Gaming ................................,........ 1142 Chat .................................................. 1143 lile Sharing ............................................. 1144 .ChapterJtevtew:;.;: ^^ Questions -----...............................,.,....----- 1145 Answers ........................ і ...................... 1147 CompTlA A+ Certification All-in-One Exam Guide XXVI Chapter 25 Multimedia ............................................ 1 149 Sound ...................................................... 1149 r HistOrical/Cpnceptualgi ¿;, % Ixrj.i:^..^ ż Ж·;-- ^V.V.V-hy .·. ν, ... ■.. 1150 How Sound Works in a PC ................................ 1150 ^^^^^S^^^:^^^^^^^^:/^ ■> · · - 1155 Getting the Right Sound Hardware .......................... 1155 Speakers ............................................... 1159 Microphones ........................................... 1163 MIDI-enabled Devices .................................... 1165 Installing Sound in a Windows System ...................... 1167 Troubleshooting Sound ................................... 1174 Video Capture ................................................ 1177 Hardware .............................................. 1177 Software ............................................... 1178 Troubleshooting Video Capture and Playback .................. 1181 TVTuners ................................................... 1184 Tuner Hardware ......................................... 1185 Tuner Software .......................................... 1186 Tuner Troubleshooting ................................... 1186 :МЩсгап;^фЩ^:ШШІ^Ш y^if^fi^Q^^K^Y i.^^iuyV. ...;, · 1187 Publishing Multimedia ................................... 1187 Chapter í%ie# ^; i ü:U X l VÏÎ Л ;. .:..;;. > .;> .W. .-; V.-V. .л .V ......... .. 1188 Questions .............................................. 1188 Answers ................................................ 1190 Chapter 26 Portable Computing .................................... 1191 Portable Computing Devices ..................................... 1191 Input Devices ........................................... 1192 Display Types ........................................... 1194 Desktop Replacements .................................... 1196 Netbooks .............................................. 1197 Ultrabooks ............................................. 1197 Tablet PCs .............................................. 1198 Expanding Portable Computers ................................. 1202 Single-Function Ports ..................................... 1203 Network ............................................... 1205 Portable-Specific Expansion Slots ........................... 1207 Storage Card Slots ....................................... 1210 General-Purpose Ports .................................... 1210 Managing and Maintaining Portable Computers .................... 1213 Batteries ............................................... 1213 Power Management ...................................... 1215 Cleaning .....;......................................... 1224 Heat ..... ľ ............................................. 1224 Protecting the Machine ............................. 1224 Upgrading and Repairing Laptop Computers ...................... 1227 Disassembly Process .....................,..........._ 1227 Contents XXVÜ Suiul.ml Upgrades ..................................... 12 30 I l.mlvv.ue Replacement ................................... 1235 troubleshooting Portable Computers ............................. 1238 laptop Woni Powet On .................................. 123 ) Saeen Doesn t (лит· On Properly .......................... 123 ) Wíielev» Doesn t Work or Works Intermittently ................ 1240 Input Problems ......................................... 1240 Chapter Review , ............................................. 1 241 Questions .............................................. 1241 Answers ................................................ 124.3 Chapter 27 Mobile Devices ......................................... 1 245 802.......................................................... 1245 I enures and Capabilities ....................................... 1245 Mobile llxpencncc ....................................... 1246 Adding Лррѕ ............................................ 1253 I nhancing I lardware ..................................... 1258 Configuration ................................................ 1263 Network Connectivity .................................... 1263 Data ................................................... 1264 Hluetooth .............................................. 1265 ľ.-Mail ................................................. 1266 .Synchronization ......................................... 1267 Security ..................................................... 1269 Preventing Damage ...................................... 1270 dealing with I oss ........................................ 1271 Recovering írom Theft .................................... 1272 Chapter Review .............................-----............. 1274 Questions .............................................. 1274 Answers ................................................ 1276 Chapter 28 Printers ............................................... 1 277 801........................................................ 127? Printer Technologies ........................................... 1277 Impact Printers .......................................... 1277 InkJet Printers ........................................... 1279 Dye-Sublimation Printers ................................. 1282 Thermal Printers ......................................... 1283 Laser Printers ........................................... 1283 Solid Ink ............................................... 1287 Printer Languages ........................................ 1288 Printer Connectivity ...................................... 1289 Пге laser Printing Process ...................................... 1293 Processing .............................................. 1293 Charging ............................................... 1295 Exposing ............................................... 1295 Developing ............................................. 1295 Transferring ............................................ 1296 CompTIA A+ Certification All-in-One Exam Guide XXVIII Fusing ................................................. 1296 Cleaning ............................................... 1296 Laser Printing in Color ................................... 1298 Installing a Printer in Windows .................................. 1298 Setting Up Printers ....................................... 1299 Optimizing Print Performance ............................. 1304 Troubleshooting Printers ....................................... 1305 General Troubleshooting Issues ............................ 1305 Troubleshooting Impact Printers ........................... 1310 Troubleshooting Thermal Printers .......................... 1310 Troubleshooting InkJet Printers ............................. 1311 Troubleshooting Laser Printers ............................. 1313 Multifunction Peripherals ................................. 1318 Questions .............................................. 1318 Answers ................................................ 1320 Chapter 29 Securing Computers .................................... 1 32 1 Analyzing Threats ............................................. 1322 Unauthorized Access ..................................... 1322 Social Engineering ....................................... 1323 Data Destruction ........................................ 1324 Administrative Access ..................................... 1324 System Crash/Hardware Failure ............................ 1325 Physical Theft ........................................... 1325 Malware ............................................... 1325 Environmental Threats ................................... 1326 Security Concepts and Technologies .............................. 1328 Access Control .......................................... 1329 Data Classification and Compliance ........................ 1339 Reporting .............................................. 1339 Network Security ............................................. 1343 Malicious Software ....................................... 1343 Malware Signs and Symptoms ............................. 1350 Malware Prevention and Recovery .......................... 1351 Firewalls ............................................... 1359 Authentication and Encryption ............................. 1368 Wireless Issues .......................................... 1372 ;RmewÎa^;ïï§ï^ Questions .............................................. 1373 Answers ................................................ 1375 Contents xxix Chapter 30 Visualization .......................................... 1 377 і ІімогісаІ/СопссршаІ ......................................... 1377 What Is Yitiuali/ation ......................................... 1377 802........................................................ 1380 Мічч ilu· І lypcrvisor ...................................... 1380 І initiation Versus Virtualisation ............................ 1381 Sample VirtualiAition .................................... 1382 Why Do UV Virtuali/e? ........................................ 1388 Power Saving ........................................... 138 ) I lardware ( xMisoIidaiion .................................. 1389 System Recovery ......................................... 1389 System Duplication ...................................... 1390 Research ............................................... 3 390 Virtualisation in Modern Networks .............................. 1 392 Virtual Machine Managers ................................. Ì 394 I iypcrvisors ............................................. 3 396 Chapter Review ............................................... 1396 Questions .............................................. 1396 Answers ................................................ 1398 Chapter 3 1 The Right PC for You .................................... HOI 801........................................................ 1402 Building Your First PC ......................................... 1402 Evaluating Parts ......................................... 1403 Thick Client ............................................ 1403 Workstation PCs .............................................. 1407 Thin Client ............................................. 1407 Virtuali/ation Workstations ................................ 1408 Media Workstations ..................................... 1408 Specialized Consumer PCs ..................................... 1412 Building a I lome Server PC ............................... 1412 Setting I Ip a 1 lome Theater PC ............................. 1416 earning PC ............................................ 1423 Chapter Review ...............................».........------- 1429 Questions .............................................. 1429 Answers ................................................ 1431 Chapter 32 The Complete PC Tech .................................. 1433 802........................................................ 1433 How Computers Work ......................................... 1433 Troubleshooting Theory ........................................ 1441 Identify the Problem ..................................... 1442 Establish a Theory of Probable Cause (Question the Obvious) ... 1443 Test the Theory to Determine Cause ......................... 1444 Verify and Prevent ....................................... 1447 Document findings, Actions, and Outcomes .................. 1448 CompTIA A+ Certification All-in-One Exam Guide XXX Tech Toolkit ................................................. 1449 Utilities ................................................ 1449 Field Replaceable Units (FRUs) ............................. 1451 ;Chajrterä2íttómS;;:^ ---- ·; 1451 Questions .............................................. 1451 Answers ................................................ 1453 Appendix A Mapping to the CompTIA A+ Objectives .................... 1 455 Appendix В About the CD-ROM .................................... 1489 Playing the Mike Meyers Introduction Video ....................... 1489 Viewing the CompTIA Exam Objectives ........................... 1489 System Requirements .......................................... 1490 Installing and Running Total Tester .............................. 1490 Total Tester ............................................. 1490 Mike s Cool Tools ............................................. 1490 Mike s Video Training ......................................... 1490 Secure PDF Copy of the Book .................................... 1491 Technical Suppor ............................................. 1491 Index ................................................... 1493
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spelling	Meyers, Michael 1961- Verfasser (DE-588)138543070 aut CompTIA A+ certification exam guide Exams 220-801 & 220-802 Michael Meyers All in one - CompTIA A+ certification CompTIA A+ certification all-in-one exam guide 8. ed. New York [ u.a.] McGraw-Hill 2012 XXXII, 1550 S. Ill. 1 CD-ROM (12 cm) txt rdacontent n rdamedia nc rdacarrier Computer technicians / Certification / Study guides Computers / Maintenance and repair / Examinations / Study guides A+-Zertifikat (DE-588)4656690-9 gnd rswk-swf (DE-588)4123623-3 Lehrbuch gnd-content A+-Zertifikat (DE-588)4656690-9 s DE-604 Digitalisierung UB Bamberg application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025193697&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Meyers, Michael 1961- CompTIA A+ certification exam guide Exams 220-801 & 220-802 Computer technicians / Certification / Study guides Computers / Maintenance and repair / Examinations / Study guides A+-Zertifikat (DE-588)4656690-9 gnd
subject_GND	(DE-588)4656690-9 (DE-588)4123623-3
title	CompTIA A+ certification exam guide Exams 220-801 & 220-802
title_alt	All in one - CompTIA A+ certification CompTIA A+ certification all-in-one exam guide
title_auth	CompTIA A+ certification exam guide Exams 220-801 & 220-802
title_exact_search	CompTIA A+ certification exam guide Exams 220-801 & 220-802
title_full	CompTIA A+ certification exam guide Exams 220-801 & 220-802 Michael Meyers
title_fullStr	CompTIA A+ certification exam guide Exams 220-801 & 220-802 Michael Meyers
title_full_unstemmed	CompTIA A+ certification exam guide Exams 220-801 & 220-802 Michael Meyers
title_short	CompTIA A+ certification exam guide
title_sort	comptia a certification exam guide exams 220 801 220 802
title_sub	Exams 220-801 & 220-802
topic	Computer technicians / Certification / Study guides Computers / Maintenance and repair / Examinations / Study guides A+-Zertifikat (DE-588)4656690-9 gnd
topic_facet	Computer technicians / Certification / Study guides Computers / Maintenance and repair / Examinations / Study guides A+-Zertifikat Lehrbuch
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