عنوان

CompTIA A+ :

0768681448

9780768681444

0789735652 (pbk. w/cd)

9780789735652 (pbk. w/cd)

b775206

CompTIA A+ :

[Book]

exams A+ essentials (220-601), 220-602, 220-603, 220-604 /

Charles J. Brooks, David L. Prowse.

[Indianapolis, Ind.?] :

Que Pub.,

©2008.

1 online resource (xxiii, 1421 pages) :

illustrations.

Exam prep

1: Basic PC Terms And Concepts -- Introduction -- PC system -- System unit cases -- Form factors -- Power supplies -- System boards (motherboards) -- Microprocessor -- Chipsets -- Memory units (RAM and ROM) -- Basic input/output systems (BIOS) -- System configuration settings -- Expansion slots -- Adapter cards -- Data storage devices -- Removable storage -- Peripherals and ports -- Video displays -- Printers -- Exam prep questions -- Answers and explanations -- Challenge solution -- 2: PC System Boards -- Introduction -- System board form factors -- ATX system boards -- BTX system boards -- Low-profile form factors -- Pentium chipsets -- System bus speeds -- Expansion slots -- PCI local bus -- PCI-X -- PCI express -- AGP slots -- Audio modem risers (AMR) and communication networking risers (CNR) -- Audio modem riser (AMR) components -- I/O ports -- Onboard disk drive connections -- SCSI connections -- Processor socket specifications -- AMD slots and sockets -- DRAM sockets -- CMOS RAM -- CMOS setup utilities -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 3: Microprocessors -- Introduction -- Intel microprocessors --Pentium processor -- Advanced Pentium architectures -- Intel Dual-core processors -- Advanced Intel microprocessor technologies -- AMD processors -- Athlon 64 processors -- Duron processors -- Athlon dual-core processors -- Opteron processors -- Microprocessor clock speeds -- Processor power supply levels -- Configuring microprocessors and buses -- Fans, heat sinks, and cooling systems -- BTX thermal module -- Advanced cooling systems -- Exam prep questions -- Answers and explanations -- Challenge solution -- 4: Random Access Memory (RAM) -- Introduction -- SRAM and DRAM --SRAM types -- Advanced DRAM types -- Memory overhead -- Error checking and correcting -- Cache memory operations -- RAM packaging -- RIMM -- RAM speed ratings -- Exam prep questions -- Answers and explanations -- Challenge solution -- 5: Data Storage Systems -- Introduction -- Hard-disk drives (HDD) -- Personal video recorders -- RAID systems -- Floppy-disk drives -- Magnetic tape drives -- Optical storage -- CD-ROM drives -- DVDs -- Disk drive interfaces -- Internal disk-drive interfaces -- IDE/ATA interface -- Serial ATA (SATA) interface -- Floppy-drive interface -- Small computer system interface (SCSI) -- Removable storage -- Flash memory -- Exam prep questions -- Answers and explanations -- 6: Ports And Peripherals -- Introduction -- Input/output interfaces -- Initiating I/O transfers -- System resource allocations -- Ports, cables, and connectors -- PS/2 connectors -- Universal serial bus (USB) -- IEEE-1394 FireWire bus -- Multimedia connections -- Legacy ports -- Parallel ports -- RS-232 serial ports -- Game ports -- Typical peripheral systems -- Keyboards -- Pointing devices -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 7: Installing, Upgrading, Configuring And Optimizing PC Components -- Introduction -- Installing storage devices -- Installing internal storage devices -- HDD installation -- Installing SCSI adapter cards -- Installing CD-ROM/DVD drives -- Installing CD-RW and DVD-RW drives -- Installing a floppy disk drive -- Installing external storage devices in Desktop PCs -- Upgrading and optimizing disk drives -- HDD upgrading -- Disk drive subsystem enhancements -- Installing video/monitor systems -- Installing standard PC input devices -- Installing scanners -- Installing bar code scanners -- Installing sound cards -- Installing digital cameras -- Installing adapter card-based peripherals -- Installing devices using USB, IEEE-1394, PCMCIA, and IrDA -- Upgrading peripheral devices -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 8: Basic Troubleshooting And Preventative Maintenance Techniques -- Introduction -- Basic PC troubleshooting -- Diagnostic and repair tools -- Gathering information -- Initial troubleshooting steps -- Systems/error codes -- Determining hardware/software/configuration problems -- Using a multimeter -- Field-replaceable unit troubleshooting -- Basic preventive maintenance -- Cleaning -- Preventive maintenance procedures -- Protecting display systems -- Protecting hard disk drives -- Protecting removable media drives -- Protecting input devices -- Preventive maintenance scheduling -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 9: Advanced PC Troubleshooting -- Introduction -- Isolating power supply problems -- Checking a dead system -- Troubleshooting the system board -- System board systems -- Configuration checks -- Hardware checks -- Troubleshooting keyboard problems -- Troubleshooting mouse problems -- Troubleshooting video systems -- Troubleshooting HDDs -- Troubleshooting CD-ROMs and DVD drives -- Troubleshooting FDDs -- Trouble shooting Tape drives -- Troubleshooting other removable storage systems -- Troubleshooting port problems -- IEEE-1394 adapters and ports -- Troubleshooting sound cards -- Troubleshooting front panel connections -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 10: Portable Computer Fundamentals -- Introduction -- Inside portables -- Portable system boards -- Microprocessors in portables -- Pentium IIIM and 4M processors -- Pentium M processors -- Centrino -- Pentium M Celerons -- Core duo processors -- AMD mobile processors -- Portable memory -- Upgrading portable memory -- Portable drives -- Upgrading/replacing portable drives -- Portable display types -- Liquid crystal displays (LCDs) -- Portable keyboards -- Trackballs -- Touch pads -- Pointing sticks -- External portable I/O -- Peripheral storage devices -- External floppy disk drives -- External CD-ROM/DVDdrives -- Removable storage -- PC cards -- Cardbus -- Adding PC card memory -- Installing PC cards -- Installing PC card support -- Mini PCI/PCI express mini cards -- Networking portables -- Wireless networking with portables -- Portable power sources -- Power consumption -- Power management -- Docking stations -- Port replicators -- Portable system upgrading -- Upgrading batteries -- Upgrading PC cards -- Exam prep questions -- Answers and explanations -- Challenge solutions.

11: Maintaining And Repairing Portable Computers -- Introduction -- Troubleshooting portable systems -- Common LCD display problems -- Replacing the LCD panel -- Troubleshooting portable keyboards -- Troubleshooting touch pads -- Troubleshooting portable unique storage -- Troubleshooting infrared ports -- Troubleshooting PCMCIA -- Troubleshooting portable power issues -- Troubleshooting docking stations/port replicators -- Portable preventative maintenance -- Rough handling -- Thermal issues -- Cleaning -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 12: Windows Operating Systems -- Introduction -- Operating systems -- Graphical user interfaces (GUI) -- Windows NT product line -- Window active directory -- Windows 2000 -- Windows XP -- Windows 2003 server -- Windows Vista operating systems -- Navigating windows 2000/XP -- Windows 2000/XP desktops -- Drop-down menus -- Taskbar -- Start menu -- Windows 2000 control panel -- Windows Explorer -- Windows XP interface variations -- Windows XP media center interfaces -- Command prompt procedures -- Working from the command line -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 13: Major Windows Structures -- Introduction -- PC hardware startup process -- Windows 2000/XP structures -- System memory management -- Windows 2000/XP registries -- Windows 2000/XP file systems -- Managing partitions -- High-level formatting -- FAT disk organization -- NTFS disk organization -- Files and filenames -- File types -- Windows 2000/XP files -- File encryption and compression -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 14: Installing And Upgrading Operating Systems -- Introduction -- Installing Windows 2000/XP -- Installation methods -- Hard disk drive preparation -- Managing patches and service packs -- Troubleshooting general setup problems -- Installing Windows 2000 professional -- Windows 2000/XP setup problems -- Installing Windows XP professional -- Windows XP MCE hardware requirements -- Windows XP setup problems -- Operating system upgrading -- Upgrading to Windows 2000 -- Upgrading to Windows XP -- Performing local upgrades -- Upgrade problems -- Dual booting -- Loading and adding device drivers -- 2000/XP device drivers -- SATA drivers -- Finding drivers -- Driver signing -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 15: Optimizing Operating Systems -- Introduction -- Optimizing Windows 2000/XP performance -- Optimizing virtual memory -- Optimizing the disk drive system -- Managing temporary files -- Optimizing System Services -- Modifying the startup process -- Monitoring system performance -- Monitoring application performance with system monitor -- Software maintenance -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 16: Operating System Utilities -- Introduction -- Windows disk management tools -- Disk cleanup -- CHKDSK -- HDD defragmentation -- Backups -- Removable storage utility -- Windows 2000/XP system management tools -- Event viewer -- Windows 2000/XP system information -- Windows XP system restore -- Task manager -- Device manager -- MSCONFIG. EXE -- Remote desktop and remote assistance features -- File management tools -- System editors -- Dr Watson -- Command-line utilities -- Windows troubleshooting help files -- Internet help -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 17: Basic Operating System Troubleshooting And Maintenance -- Introduction -- General OS troubleshooting process -- Troubleshooting startup problems -- General bootup/startup problems -- Windows 2000/XP startup tools -- Using Windows XP system restore -- Windows 2000/XP startup problems -- Common OS operational problems -- Optional devices do not operate -- Troubleshooting stop errors -- Windows 2000/XP application problems -- Windows-related printing problems -- Using remote desktop/assistance -- Configuring the remote desktop function -- Conducting remote desktop sessions -- Using remote assistance -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 18: Printers And Scanners -- Introduction -- Printer types -- Fonts -- Basic printer components -- Dot-matrix printers -- Dot-matrix printer mechanics -- Thermal printers -- Inkjet printers -- Laser printers -- Dye sublimation printers -- Printer installation -- USB printers -- Networked printers -- Wireless printer interfaces -- Infrared printer ports -- Legacy printer interfaces -- Printer drivers -- Printer control panel configuration -- Printer calibration -- Printer options and upgrades -- Printing in windows -- Establishing printers in windows -- Printer properties -- Network printing with windows -- Scanners -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 19: Printer And Scanner Servicing -- Introduction -- Servicing printers -- General printer troubleshooting -- Troubleshooting Dot-matrix printers -- Dot-matrix printer power supply problems -- Dot-matrix consumables -- Printhead not printing -- Printhead not moving -- Paper not advancing -- Troubleshooting inkjet printers -- Inkjet printer configuration checks -- Inkjet consumables -- Printhead not printing -- Printhead not moving -- Paper not advancing -- Troubleshooting Laser Printers -- Laser printer consumables -- Printer is dead or partially disabled -- Print on page is missing or bad -- Paper does not feed or is jammed -- Troubleshooting scanners -- Image quality problems -- Checking the host system -- Interface cables -- Preventive maintenance and safety issues -- Dot-matrix/inkjet printers -- Laser printers -- Laser safety issues -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 20: Basic Networking Concepts -- Introduction -- Local area networks (LANs) -- LAN topologies -- Network control strategies -- Network connectivity devices -- Network transmission media -- Copper cabling -- Fiber-optic cable -- Plenum cable -- Wireless infrared links -- Wireless RF links -- Network architectures -- Ethernet -- Networking protocols -- Exam prep questions -- Answers and explanations -- Challenge solutions.; 21: Installing Local Area Networks (LANs) -- Introduction -- Installing and configuring LAN components -- LAN adapter cards -- Installing LAN cards -- Optimizing network adapters -- Installing wireless LANs -- Installing network components in windows 2000/XP control panels -- Configuring clients in Windows 2000/XP -- Configuring protocols in Windows 2000/XP -- Networking with Novell netware -- Sharing network resources -- Network shares -- Mapping a drive -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 22: Wide Area Networking -- Introduction -- Internet connectivity -- Internet service providers -- IP addresses -- Internet domains -- Internet access methods -- LAN Access to the internet -- Dial-up access -- ISDN connections -- Digital subscriber lines -- Cable modems -- Installing digital modems -- Satellite internet access -- Wireless internet access -- Voice over IP -- TCP/IP -- TCP/IP suite -- Internet resources -- World wide web -- File transfer protocol (FTP) -- Email -- Secure sockets layer protocol -- Telnet -- Web browsers -- Establishing internet browser security options -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 23: Network Troubleshooting -- Introduction -- Basic network troubleshooting -- Network troubleshooting tools -- Troubleshooting LANS -- Service access problems -- Checking the NIC -- Checking cabling -- Checking connectivity devices -- Windows-related LAN problems -- Troubleshooting wireless networks -- Troubleshooting network printing problems -- Troubleshooting WAN problems -- Troubleshooting broadband problems -- Troubleshooting dial-up problems -- Windows modem checks -- Troubleshooting browser problems -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 24: Security -- Introduction -- Computer security -- Access control -- PC hardware security -- Environmental security issues -- Software security -- Windows network security -- Administering windows networks -- Establishing wireless security -- Firewalls -- Malicious program security -- Viruses -- Establishing and implementing malicious software protection -- Social engineering -- Spoofing and phishing -- Pharming -- Session hijacking -- Identity theft -- Exam prep questions -- Answers

25: Safety And Environmental Issues -- Introduction -- Work area and safety issues -- Work area -- Personal safety -- Avoiding laser and burn hazards -- System protection -- Power line protection -- Electrostatic discharge -- Hardware disposal procedures -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 26: Professionalism And Communication -- Introduction -- Customer service skills -- Prepare -- Establish rapport -- Establish your presence -- Be proactive -- Listen and communicate -- Follow up -- Be responsive -- Accountability -- Be flexible -- Be professional -- Establish integrity -- Handle conflicts appropriately -- Telephone techniques -- Handle paperwork and finish up -- Maintain an orderly work area -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 27: Advanced PC Component Installations And Upgrades -- Introduction -- System board compatibility issues -- Replacing system boards -- Replacing system board FRU devices -- Installing memory modules -- Replacing power supplies -- Installing power supplies -- Power supply upgrade considerations -- System upgrading and optimizing -- System board upgrading -- Exam prep questions -- Answers and explanations -- Challenge solutions -- 28: Essentials Practice Exam -- Questions -- Answers and explanations -- 29: IT Tech Practice Exam -- Questions -- Answers and explanations -- 30: Depot Practice Exam -- Questions -- Answers and explanations -- 31: Remote Support Practice Exam -- Questions -- Answers and explanations.

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9780789735652

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Microcomputers-- Maintenance and repair-- Examinations.

Brooks, Charles J.

Prowse, David L.

20201203074052.0

pn

[Book]

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