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A + A+ Technician Exam # 220-901 & # 220-902 A+ Computer Technician   Part 1    PC Hardware    (Exam …

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    A+ Technician
    Exam # 220-901 & # 220-902

    A+ Computer Technician

     

    Part 1    PC Hardware    (Exam 220-901)

                         

    • The System BIOS

    Flash BIOS/firmware upgrades, information of RAM, Hard Drives, Optical Drives, CPU

    Configure boot sequence, enabling/disabling devices, Date & Time, Clock Speed, Virtualization Support, Security (passwords, drive encryption, TPM, lo-jack)

    Diagnostics & monitoring functions.

    • Motherboard

    Form Factors: ATX, Micro-ATX, ITX

    CPU, RAM, Chipsets (North Bridge, South Bridge, CMOS Battery)

    Expansion (PCI, PCI-X, PCI-e, miniPCI, CRN, AGP2x, 4x, 8x)

    Jumpers, Power Connection, Fan Connection, Front/Rear Panel, BUS Speed

    • Processors (CPU)

    Socket Types (Intel LGA 775, 1155, 1156, 1366) (AMD 940, AM2, AM2+, AM3, AM3+ FM1, F) Speeds, Cores, Cache, Hyper threading, Virtualization Support, 32-bit vs 64 bit, Integrated GPU, Cooling (Heat sink, Fans, Thermal paste, Liquid-based)

    • Random Access Memory (RAM)

    Types: DDR, DDR2, DDR3 SDRAM, RAMBUS, DIMM

    Features: Parity, ECC, Single/Dual/Triple Channel, Single/Double Sided

    • Expansion Cards

    Sound cards, Video cards, Network cards, Serial and parallel cards, USB cards,

    Firewire cards, Storage cards, Modem cards, Wireless/Cellular cards, TV tuner,

    Video capture cards, Riser cards

    Storage Systems

    Types & Configurations (SATA, IDE, SCSI)

    Hard Drives: Magnetic, Solid State/Flash Drives

    Optical Drives: CD-ROM, CD-RW, DVD-ROM, DVD-RW, Dual Layer DVD-RW,

    Blu Ray, BD-R, BD-RE ,Floppy Drive

    Solid state/flash drives: compact flash, SD, micro-SD, mini-SD, XD, SSD

    Hot swappable drives, Tape drive,  RAID type: 0/1/5/10

    • Power Supplies

    Connector type and voltage (SATA, Molex, 4/8 pin 12v, PCIe 6/8 pin, 20/24 pin, Floppy)

    Wattage, Size, ATX, Micro ATX, Dual voltage options

    • I/O Ports and Connectors and Cables

    Display connector: DVI-D, DVI-I, DVI-A, Display port, RCA, HD15 (de15/db15) BNC,

    miniHDMI, RJ-45, miniDin-6

    Display cable: HDMI, DVI, VGA, component, Composite, S-vide, RGB, Coaxial, Ethernet

    Device connector: SATA, eSATA, PATA (ide/eide), Floppy, USB, IEEE 1394, SCSI,

    PS/2, Parallel, Serial, Audio, RJ-45

    Device cable: SATA, eSATA, IDE, EIDE, Floppy, USB, IEEE 1394, SCSI 68/50/25 pin,

    Parallel, Serial, Ethernet (RJ-45), Phone (RJ-11)

    • Display Devices

    Type: CRT, LCD, LED, Plasma, Projector, OLED

    Refresh rates, Resolutions, Native resolution, Brightness/lumens, Analog vs digital, Privacy/antiglare filters, Multiple displays

    • Customized Systems

    Graphic/CAD/CAM design workstation, Audio/Video editing workstation, Virtualization workstation, Gaming PC, Home Theater PC, Standard thick client, Thin client, Home Server PC

    • Peripheral Devices

    Input Devices: mouse, keyboard, touch screen, scanner, barcode reader, KVM, Microphone, biometric devices game pads, joysticks, digitizer

    Multimedia Devices: digital cameras, microphone, webcam, camcorder, MIDI enabled devices

    Output Devices: Printer, Speakers, Display Devices

    Networking                         

    • Network Cabling and Connectors

    Fiber: connector: SC, ST, LC, type: single/multi mode

    Twisted Pair: connector: RJ-11, RJ-45, standards T568A, T568B, type: STP, UTP, CAT3/5/5e/6, plenum, PVC

    Coaxial: connector: BNC, F-connector, type: RG-6, RG-59. * Speed and transmission limitations

    • TCP/IP

    IP Class (Class A, Class B, Class C)

    IPv4 vs IPv6.  * Public address, Private address, APIPA address

    DHCP, Static vs Dynamic address  * Client Side DNS, Gateway & subnet mask

    Ports: 21/23/25/53/80/110/143/443/3389

    Protocols: DHCP, DNS, LDAP, SNMP, SMB, CIFS, SSH, SFTP.* Difference of TCP and UDP

    • Wireless Networks

    IEEE 802.11 a/b/g/n Sppeds, distance and frequencies

    Encryption: WEP, WPA, WPA2, TKIP, AES

    Setting: MAC FILTERING, CHANNELS (1-11), Port forwarding/triggering,

    SSID (on/off),  Wireless encryption, firewall, DHCP (on/off), DMZ, NAT,

    WPS, Basic QoS)

    • Internet Connectivity

    Type: Cable, DSL, Dial-up, Fiber, Satellite, ISDN, Cellular/ Mobile hotspot,

    Line of sight wireless internet service, WiMAX

    Network: LAN, WAN, PAN, MAN, Topologies: Mesh/Ring/Bus/Star/Hybrid Device: Hub, Switch (PoE), Router, Access Point, Bridge, Modem, NAS, Firewall, VoIP phones, Internet appliance

    • Networking Tool

    * Crimper *Multimeter *Toner probe *Cable tester *Loopback plug * Punchdown tool

    Laptops                                         

    • Display Technologies

    Types: LCD, LED, OLED, Plasma, Backlight, Wi-Fi antenna connector/placement Inverter and function

    • Components

    Keyboard, Hard Disk (form factor and speed), Memory, Optical Drive, Wireless Card,

    Mini-PCIe, screen, DC jack, Battery, Touchpad, Plastics, Speaker, System Board, CPU

    Expansion: Express card /34 /54, PCMCIA, SODIMM, Flash

    • Key Features

    Dual display, Wireless, Volume, Brightness, Bluetooth, Keyboard backlight, Docking station, Port replicator, Cable lock.

    Printers

    • Printer Types

    Laser, Inkjet, Thermal, Impact

    • Installation and Configuration

    Use appropriate printer driver for a given operating system, Sharing (wired: USB, parallel, Serial, Ethernet, wireless: Bluetooth, 802.11x, Infrared/IR), Local printer vs networked printer

    • Maintenance

    Laser: Replacing toner, applying maintenance kit, calibration, cleaning

    Thermal: Replace paper, clean heating element, remove debris

    Impact: Replace ribbon, replace print head, replace paper

    Operational Procedures

    • Computer Safety Best Practices

    ESD safety: ESD straps, ESD mats, self grounding, Equipment grounding

    Personal safety: disconnect power before repairing PC, Remove jewelry, Lifting techniques, Weight limitations, Electrical fire safety, CRT safety-proer disposal, Cable management

    Compliance with local government regulations

    • Environmental Control Practices

    MSDS documentation for handling and disposal

    Temperature, humidity level awareness and proper ventilation

    Power surges, brownouts, blackouts, protection from airborne particles, dust and debris, compressed air, vacuums, Antistatic bags for component protection.

    • Professional Practices

    Professional Image, Positive attitude, Skills Continuum, Communication, Customer service.

    • Incident Response and Documentation Response, Identify and reporting, Use of documentation/documentation changes, Chain of custody, Tracking of evidence and documenting process.

    Comptia A+ Exam Preparation (220-901)

    Part 2  Operation Systems       (Exam 220-902)

    • Windows Operation Systems

    Windows XP Home, XP Professional, XP Media Center, XP 64-bit Professional

    Windows Vista Home Basic, Vista Home Premium, Vista Business, Vista Ultimate, Vista Enterprise

    Windows 7 Starter, 7 Home Premium, 7 Professional, 7 ultimate, 7 Enterprise.

    32-bit vs 64-bit, Windows features, user Interface (Start Bar, Aero, Gadgets, Sidebar), Upgrade paths, Compatibility mode, XP mode,

    • Windows Installation Concepts

    Boot methods: USB, CD-ROM/DVD, PXE

    Type of installation: Creating image, Unattended installation, Upgrade, Clean install, Repair installation, Multiboot, Remote network installation, Image deployment

    Partitioning: Dynamic, Basic, Primary, Extended, Logical

    File system types: FAT, FAT32, NTFS, CDFS, quick format vs full format

    Load alternate third party drivers when necessary, workgroupvs domain setup, time/date/region/language settings/driver installation, software and windows updates, factory recovery partition

    • Windows Installation Walkthrough

     Windows Configuration

    Command line tools * Networking: ping/tracert/netstat/ipconfig/net/nslookup/nbtstat

    OS: taskkill/bootrec/shutdown/tasklist/md/rd/cd/del/format/copy/xcopy/robocopy/diskpart/sfc/chkdsk/ /?

    Recovery console: fixboot, fixmbr

    • Windows User Interface

    Administrative: computer management, device manager, users and groups, local security policy, performance monitor, services, system confiruation, task scheduler, component services, data sources, print management, windows memory diagnostics, windows firewall, security.

    MSCONFIG: general, boot, services, startup, tools

    Task Manager: Applications, Processes, Performance, Networking Users

    Disk Management: drive status, mounting, extending partitions, splitting partitions, assigning drive letter, adding drives, adding arrays

    Run line utilities: MSCONFIG, REGEDIT, CMD, SERVIES.MSC, MMC, MSTSC, NOTEPAD, EXPLORER, MSINFO32, DXDIAG

    Control Panel utilites: Internet, display, user account, folder, system, firewall, power, standby

    • Windows Maintenance

    Scheduled backups  * Scheduled check disks  *Scheduled defragmentation

    Windows updates, Patch management, Driver/firmware updates, Antivirus updates

     Security

    • Common Prevention Methods

    Physical Security and Digital security

    • Common Security Threat

    Social engineering, Malware, Rootkits, Phishing, Shoulder surfing, Spyware, Viruses (Worms/Trojans)

    • Best Practices and Case Study

    Security a workstation: strong password, user permissions, disable guest account, screensaver required password, disable autorun  Appropriate data destruction/disposal method

    Secure a SOHO wired network and/or wireless network

    Mobile Devices

    • Mobile Operating Systems

    Android 4.x vs iOS 6.x, open source vs closed source/vendor specific App source (app store and market)

    • Basic Configuration

    Data network, Bluetooth, Email Configuration

    • Mobile Device Security

    Passcode locks, Remote wipes, Locator applications, Remote backup applications, Failed login attempts restriction, Antivirus, Patching/OS updates

    • Tablets vs Laptops

    No field serviceable parts, typically not upgradeable

    Touch interface (Touch flow/Multitouch), Solid state drives

    • Mobile Device Synchronization

    Contacts, Programs/Apps, Email, Pictures, Music, Videos

    Connection types to enable synchronization

    Software requirements to install the application on the PC

    Troubleshooting

    • Troubleshooting Theory

    Identify the problem, Theory of probable cause, Test the theory to determine cause, Establish a plan to resolve the problem, Document findings, actions and outcomes.

    • Case Study

    Troubleshoot hard drives and RAID arrays with appropriate tools, Common video and display issues, wired and wireless networks with appropriate tools, System problems with appropriate tools. Security issues with appropriate tools, Laptop issues, printer with appropreiate tools,

    Comptia A+ Exam Preparation (220-902)

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