Computer Systems 1 (2023)

Mobile Devices1

  • 1

    Recognize laptop hardware and components.1.1

    1. 1

      Hardware1.1.1

      1. 1

        Keyboard1.1.1.1

      2. 2

        Hard drive1.1.1.2

        1. 1

          SSD vs. Hybrid vs. Magnetic disk1.1.1.2.1

        2. 2

          1.8in vs. 2.5in1.1.1.2.2

      3. 3

        RAM (Random Access Memory)1.1.1.3

      4. 4

        Smart card reader1.1.1.4

      5. 5

        Optical drive1.1.1.5

      6. 6

        Wireless card/Bluetooth module1.1.1.6

      7. 7

        Cellular card1.1.1.7

      8. 8

        Video card1.1.1.8

      9. 9

        PCI/PCIe1.1.1.9

      10. 10

        Screen1.1.1.10

      11. 11

        DC Jack1.1.1.11

      12. 12

        Battery1.1.1.12

      13. 13

        Touchpad1.1.1.13

      14. 14

        Plastics/frame1.1.1.14

      15. 15

        Speaker1.1.1.15

      16. 16

        System Board1.1.1.16

      17. 17

        CPU1.1.1.17

      18. 18

        Webcam1.1.1.18

      19. 19

        Microphone1.1.1.19

      20. 20

        WiFi antenna connector1.1.1.20

      21. 21

        Inverter1.1.1.21

    2. 2

      Features and types1.1.2

      1. 1

        Special function keys1.1.2.1

      2. 2

        Docking station1.1.2.2

      3. 3

        Port replicator1.1.2.3

      4. 4

        Rotating/removeable screens1.1.2.4

      5. 5

        Tablets1.1.2.5

      6. 6

        Smartphones1.1.2.6

      7. 7

        Wearable technology devices1.1.2.7

      8. 8

        GPS1.1.2.8

      9. 9

        E-readers1.1.2.9

      10. 10

        Wired and wireless1.1.2.10

  • 2

    Cloud storage connection and configuration.1.2

    1. 1

      Synchronization methods1.2.1

      1. 1

        Synchronize to the cloud1.2.1.1

      2. 2

        Synchronize to the desktop1.2.1.2

      3. 3

        Synchronize to the automobile1.2.1.3

    2. 2

      Types of data to synchronize1.2.2

    3. 1

      Contacts1.2.2.1

    4. 2

      Applications1.2.2.2

    5. 3

      Email1.2.2.3

    6. 4

      Pictures1.2.2.4

    7. 5

      Music1.2.2.5

    8. 6

      Etc.1.2.2.6

Networking2

  • 1

    Define protocols and their purposes. 2.1

    1. 1

      Ports and protocols2.1.1

      1. 1

        21 – FTP2.1.1.1

      2. 2

        22 – SSH2.1.1.2

      3. 3

        23 – Telnet2.1.1.3

      4. 4

        25 – SMTP2.1.1.4

      5. 5

        53 – DNS2.1.1.5

      6. 6

        80 – HTTP2.1.1.6

      7. 7

        110 – POP32.1.1.7

      8. 8

        143 – IMAP2.1.1.8

      9. 9

        3389 – RDP2.1.1.9

      10. 10

        538 – AFP2.1.1.10

      11. 11

        67/68 – DHCP2.1.1.11

      12. 12

        389 – LDAP2.1.1.12

    2. 2

      TCP vs. UDP2.1.2

  • 2

    Compare and contrast common networking hardware devices.2.2

    1. 1

      Routers2.2.1

    2. 2

      Switches2.2.2

      1. 1

        Managed2.2.2.1

      2. 2

        Unmanaged2.2.2.2

    3. 3

      Access points2.2.3

    4. 4

      Cloud-based network controller2.2.4

    5. 5

      Firewall2.2.5

    6. 6

      Network interface card2.2.6

    7. 7

      Repeater2.2.7

    8. 8

      Hub2.2.8

    9. 9

      Cable/DSL modem2.2.9

    10. 10

      Bridge2.2.10

    11. 11

      Patch Panel2.2.11

    12. 12

      Power over Ethernet (PoE)2.2.12

      1. 1

        Injectors2.2.12.1

      2. 2

        Switch2.2.12.2

    13. 13

      Ethernet over Power2.2.13

  • 3

    Understand basic wired/wireless SOHO networks and installation standards.2.3

    1. 1

      Router/switch functionality2.3.1

    2. 2

      Access point settings2.3.2

    3. 3

      IP addressing2.3.3

    4. 4

      NIC Configuration2.3.4

      1. 1

        Wired2.3.4.1

      2. 2

        Wireless2.3.4.2

    5. 5

      End-user device configuration2.3.5

    6. 6

      IoT device configuration2.3.6

      1. 1

        Thermostat2.3.6.1

      2. 2

        Light switches2.3.6.2

      3. 3

        Security cameras2.3.6.3

      4. 4

        Door locks2.3.6.4

      5. 5

        Voice-enabled, smart speaker/digital assistant2.3.6.5

    7. 7

      Cable/DSL modem configuration2.3.7

    8. 8

      Firewall settings2.3.8

      1. 1

        DMZ2.3.8.1

      2. 2

        Port forwarding2.3.8.2

      3. 3

        NAT2.3.8.3

      4. 4

        UPnP2.3.8.4

      5. 5

        Whitelist/backlist2.3.8.5

      6. 6

        MAC filtering2.3.8.6

    9. 9

      QoS2.3.9

    10. 10

      Wireless settings2.3.10

      1. 1

        Encryption2.3.10.1

      2. 2

        Channels2.3.10.2

      3. 3

        Qos2.3.10.3

    11. 11

      Uplink Configuration2.3.11

      1. 1

        Cable/DSL2.3.11.1

      2. 2

        Satellite2.3.11.2

      3. 3

        Fiber Optic2.3.11.3

  • 4

    Compare and contrast wireless networking protocols.2.4

    1. 1

      802.11a2.4.1

    2. 2

      802.11b2.4.2

    3. 3

      802.11g2.4.3

    4. 4

      802.11n2.4.4

    5. 5

      802.11ac2.4.5

    6. 6

      802.11ax2.4.6

    7. 7

      Frequencies2.4.7

      1. 1

        2.4 GHz (channels 1 – 11)2.4.7.1

      2. 2

        5 GHz2.4.7.2

      3. 3

        6 GHz2.4.7.3

    8. 8

      Bluetooth2.4.8

    9. 9

      NFC2.4.9

    10. 10

      RFID2.4.10

    11. 11

      Z-Wave2.4.11

    12. 12

      4G2.4.12

    13. 13

      5G2.4.13

    14. 14

      LTE2.4.14

  • 5

    Identify common networks, their purpose, and benefits. 2.5

    1. 1

      Server roles2.5.1

      1. 1

        Web server2.5.1.1

      2. 2

        File server2.5.1.2

      3. 3

        Print server2.5.1.3

      4. 4

        DHCP server2.5.1.4

      5. 5

        DNS server2.5.1.5

      6. 6

        Proxy server2.5.1.6

      7. 7

        Mail server2.5.1.7

      8. 8

        Authentication server2.5.1.8

      9. 9

        syslog2.5.1.9

    2. 2

      Internet appliance2.5.2

      1. 1

        UTM2.5.2.1

      2. 2

        IDS2.5.2.2

      3. 3

        IPS2.5.2.3

      4. 4

        End-point management server2.5.2.4

    3. 3

      Network types2.5.3

      1. 1

        LAN2.5.3.1

      2. 2

        WAN2.5.3.2

      3. 3

        PAN2.5.3.3

      4. 4

        MAN2.5.3.4

      5. 5

        WMN2.5.3.5

  • 6

    Explain common network configuration concepts. 2.6

    1. 1

      IP addressing2.6.1

      1. 1

        Static2.6.1.1

      2. 2

        Dynamic2.6.1.2

      3. 3

        APIPA2.6.1.3

      4. 4

        Link local2.6.1.4

    2. 2

      DNS2.6.2

    3. 3

      DHCP2.6.3

      1. 1

        Reservations2.6.3.1

    4. 4

      IPv4 vs. IPv62.6.4

    5. 5

      Subnet mask2.6.5

    6. 6

      Gateway2.6.6

    7. 7

      VPN2.6.7

    8. 8

      VLAN2.6.8

    9. 9

      NAT2.6.9

  • 7

    Compare and contract Internet connection types.2.7

    1. 1

      Internet connection types2.7.1

      1. 1

        Cable2.7.1.1

      2. 2

        DSL2.7.1.2

      3. 3

        Dial-up2.7.1.3

      4. 4

        Fiber2.7.1.4

      5. 5

        Satellite2.7.1.5

    2. 2

      ISDN2.7.2

    3. 3

      Cellular2.7.3

      1. 1

        Tethering2.7.3.1

      2. 2

        Mobile hotspot2.7.3.2

    4. 4

      Line-of-sight wireless internet service2.7.4

  • 8

    Understand appropriate use of networking tools.2.8

    1. 1

      Crimper2.8.1

    2. 2

      Cable stripper2.8.2

    3. 3

      Multimeter2.8.3

    4. 4

      Tone generator and probe2.8.4

    5. 5

      Fiber optic cable tester2.8.5

    6. 6

      Loopback plug2.8.6

    7. 7

      Punchdown tool2.8.7

    8. 8

      WiFi analyzer2.8.8

    9. 9

      Ethernet cable tester2.8.9

Hardware3

  • 1

    Explain basic cable types, features, and their purposes.3.1

    1. 1

      Network cables3.1.1

      1. 1

        Ethernet3.1.1.1

        1. 1

          Cat 53.1.1.1.1

        2. 2

          Cat 5e3.1.1.1.2

        3. 3

          Cat 63.1.1.1.3

        4. 4

          Cat 6a3.1.1.1.4

        5. 5

          Plenum vs. Riser cable3.1.1.1.5

        6. 6

          Shielded twisted pair3.1.1.1.6

        7. 7

          Unshielded twisted pair3.1.1.1.7

        8. 8

          568A/B3.1.1.1.8

      2. 2

        Fiber3.1.1.2

      3. 3

        Coaxial3.1.1.3

      4. 4

        Speed and transmission limitations3.1.1.4

    2. 2

      Video cables3.1.2

      1. 1

        VGA3.1.2.1

      2. 2

        HDMI3.1.2.2

      3. 3

        Mini-HDMI3.1.2.3

      4. 4

        DisplayPort3.1.2.4

      5. 5

        DVI (DVI-D/DVI-I)3.1.2.5

    3. 3

      Multipurpose cables3.1.3

      1. 1

        Lightning3.1.3.1

      2. 2

        Thunderbolt3.1.3.2

      3. 3

        USB-A3.1.3.3

      4. 4

        USB-B3.1.3.4

      5. 5

        USB-C3.1.3.5

      6. 6

        USB 2.03.1.3.6

      7. 7

        USB 3.03.1.3.7

    4. 4

      Peripheral cables3.1.4

      1. 1

        Serial3.1.4.1

    5. 5

      Hard drive cables3.1.5

      1. 1

        SATA3.1.5.1

      2. 2

        SAS3.1.5.2

    6. 6

      Adapters3.1.6

      1. 1

        DVI to HDMI3.1.6.1

      2. 2

        USB to Ethernet3.1.6.2

      3. 3

        DVI to VGA3.1.6.3

  • 2

    Identify common connector types.3.2

    1. 1

      RJ-113.2.1

    2. 2

      RJ-453.2.2

    3. 3

      RS-2323.2.3

    4. 4

      RG-593.2.4

    5. 5

      RG-63.2.5

    6. 6

      USB3.2.6

    7. 7

      Mini-USB3.2.7

    8. 8

      USB-C3.2.8

    9. 9

      Lightning3.2.9

    10. 10

      eSATA3.2.10

    11. 11

      Molex3.2.11

  • 3

    Compare, contrast, and install RAM types.3.3

    1. 1

      RAM Types3.3.1

      1. 1

        SODIMM3.3.1.1

      2. 2

        DDR23.3.1.2

      3. 3

        DDR33.3.1.3

      4. 4

        DDR43.3.1.4

    2. 2

      Single channel3.3.2

    3. 3

      Dual channel3.3.3

    4. 4

      Triple channel3.3.4

    5. 5

      Error correcting3.3.5

    6. 6

      Parity vs. non-parity3.3.6

  • 4

    Understand how to install and configure storage devices.3.4

    1. 1

      Identify optical drives3.4.1

    2. 2

      Solid-state drives3.4.2

      1. 1

        M2 drives3.4.2.1

      2. 2

        NVME3.4.2.2

      3. 3

        SATA 2.53.4.2.3

    3. 3

      Magnetic hard drives3.4.3

      1. 1

        5,400rpm3.4.3.1

      2. 2

        7,200rpm3.4.3.2

      3. 3

        10,000rpm3.4.3.3

      4. 4

        15,000rpm3.4.3.4

      5. 5

        Sizes:3.4.3.5

        1. 1

          2.53.4.3.5.1

        2. 2

          3.53.4.3.5.2

    4. 4

      Hybrid drives3.4.4

    5. 5

      Flash3.4.5

      1. 1

        SD card3.4.5.1

      2. 2

        Micro-SD card3.4.5.2

      3. 3

        Mini-SD card3.4.5.3

      4. 4

        xD3.4.5.4

    6. 6

      Configurations3.4.6

      1. 1

        RAID 0, 1, 5, 103.4.6.1

        1. 1

          Hardware vs. software raids (benefits)3.4.6.1.1

      2. 2

        Hot-swappable3.4.6.2

  • 5

    Install and configure motherboards, CPU’s, and expansion cards.3.5

    1. 1

      Motherboard form factor3.5.1

      1. 1

        ATX3.5.1.1

      2. 2

        mATX3.5.1.2

      3. 3

        ITX3.5.1.3

      4. 4

        mITX3.5.1.4

    2. 2

      Motherboard connectors types3.5.2

      1. 1

        PCI3.5.2.1

      2. 2

        PCIe3.5.2.2

      3. 3

        Riser card3.5.2.3

      4. 4

        Socket types3.5.2.4

      5. 5

        SATA3.5.2.5

      6. 6

        SAS3.5.2.6

      7. 7

        Front panel connector3.5.2.7

      8. 8

        Internal USB connector3.5.2.8

    3. 3

      BIOS/UEFI settings 3.5.3

      1. 1

        Boot options3.5.3.1

      2. 2

        Firmware updates3.5.3.2

      3. 3

        Security settings3.5.3.3

      4. 4

        Interface configurations3.5.3.4

      5. 5

        Security3.5.3.5

        1. 1

          Passwords3.5.3.5.1

        2. 1

          Drive encryption3.5.3.5.2

          1. 1

            TPM3.5.3.5.2.1

          2. 2

            Secure boot3.5.3.5.2.2

    4. 4

      CMOS battery3.5.4

    5. 5

      CPU features3.5.5

      1. 1

        Single-core3.5.5.1

      2. 2

        Multicore3.5.5.2

      3. 3

        Virtualization3.5.5.3

      4. 4

        Hyperthreading3.5.5.4

      5. 5

        Speeds (Hertz)3.5.5.5

      6. 6

        Overclocking3.5.5.6

      7. 7

        Integrated GPU3.5.5.7

    6. 6

      Compatibility3.5.6

      1. 1

        AMD3.5.6.1

      2. 2

        Intel3.5.6.2

    7. 7

      Cooling mechanism3.5.7

      1. 1

        Fans3.5.7.1

      2. 2

        Heat sink3.5.7.2

      3. 3

        Liquid3.5.7.3

      4. 4

        Thermal paste3.5.7.4

    8. 8

      Expansion cards 3.5.8

      1. 1

        Video cards3.5.8.1

        1. 1

          Onboard3.5.8.1.1

        2. 2

          Expansion cards3.5.8.1.2

      2. 2

        Sound cards3.5.8.2

      3. 3

        Network interface card3.5.8.3

      4. 4

        USB expansion card3.5.8.4

      5. 5

        eSATA card3.5.8.5

  • 6

    Understand the use of various peripherals. 3.6

    1. 1

      Printer3.6.1

    2. 2

      ADF/flatbed scanner3.6.2

    3. 3

      Barcode scanner/QR scanner3.6.3

    4. 4

      Monitors3.6.4

    5. 5

      VR/AR headset3.6.5

    6. 6

      Optical drive types3.6.6

    7. 7

      Mouse3.6.7

    8. 8

      Keyboard3.6.8

    9. 9

      Touchpad3.6.9

    10. 10

      Signature pad3.6.10

    11. 11

      Game controllers3.6.11

    12. 12

      Camera/webcam3.6.12

    13. 13

      Microphone3.6.13

    14. 14

      Speakers3.6.14

    15. 15

      Headset3.6.15

    16. 16

      Projector3.6.16

      1. 1

        Lumens/brightness3.6.16.1

    17. 17

      External storage drives3.6.17

    18. 18

      KVM3.6.18

    19. 19

      Magnetic reader/chip reader3.6.19

    20. 20

      NFC/tap pay device3.6.20

    21. 21

      Smart card reader3.6.21

  • 7

    Understand power supply installation types and features.3.7

    1. 1

      Input 115V vs. 220V3.7.1

    2. 2

      Output 5V v. 12V3.7.2

    3. 3

      24-pin motherboard adapter3.7.3

    4. 4

      Wattage rating3.7.4

    5. 5

      Number of devices/types of devices to be powered3.7.5

  • 8

    Understand the appropriate components needed for a custom PC configuration.3.8

    1. 1

      Graphic/CAD/CAM design workstation3.8.1

      1. 1

        SSD3.8.1.1

      2. 2

        High-end video3.8.1.2

      3. 3

        Maximum RAM3.8.1.3

    2. 2

      Audio/video editing workstation 3.8.2

      1. 1

        Specialized audio and video card3.8.2.1

      2. 2

        Large, fast hard drive3.8.2.2

      3. 3

        Dual monitors3.8.2.3

    3. 3

      Virtualization workstation3.8.3

      1. 1

        Maximum RAM and CPU cores3.8.3.1

    4. 4

      Gaming PC3.8.4

      1. 1

        SSD3.8.4.1

      2. 2

        High-end video/specialized GPU3.8.4.2

      3. 3

        High-definition sound card3.8.4.3

      4. 4

        High-end cooling3.8.4.4

    5. 5

      Network attached storage device3.8.5

      1. 1

        Media streaming3.8.5.1

      2. 2

        File sharing3.8.5.2

      3. 3

        Gigabit NIC3.8.5.3

      4. 4

        RAID array (0, 1, 5, 1+0)3.8.5.4

      5. 5

        Hard drive3.8.5.5

      6. 6

        JBOD3.8.5.6

    6. 6

      Standard thick client3.8.6

      1. 1

        Desktop applications3.8.6.1

      2. 2

        Meets recommended requirements for selection OS3.8.6.2

    7. 7

      Thin client 3.8.7

      1. 1

        Basic applications3.8.7.1

      2. 2

        Meets minimum requirements for selected OS3.8.7.2

      3. 3

        Network connectivity3.8.7.3

  • 9

    Understand printer types and installation.3.9

    1. 1

      Use appropriate drivers for a given operating system3.9.1

      1. 1

        Configuration settings3.9.1.1

        1. 1

          Duplex3.9.1.1.1

        2. 2

          Collate3.9.1.1.2

        3. 3

          Orientation3.9.1.1.3

        4. 4

          Quality3.9.1.1.4

    2. 2

      Device sharing3.9.2

      1. 1

        Wired3.9.2.1

        1. 1

          USB3.9.2.1.1

        2. 2

          Serial3.9.2.1.2

        3. 3

          Ethernet3.9.2.1.3

      2. 2

        Wireless3.9.2.2

        1. 1

          Bluetooth3.9.2.2.1

        2. 2

          802.11(a, b, g, n, ac, ax)3.9.2.2.2

        3. 3

          Infrastructure vs. ad hoc3.9.2.2.3

      3. 3

        Integrated print server (hardware)3.9.2.3

      4. 4

        Cloud printing/remote printing3.9.2.4

    3. 3

      Public/shared devices3.9.3

      1. 1

        Sharing local/networked device via operating system settings3.9.3.1

        1. 1

          TCP/Bonjour/AirPrint/Google Print 3.9.3.1.1

      2. 2

        Data privacy3.9.3.2

        1. 1

          User authentication on the device3.9.3.2.1

        2. 2

          Hard drive caching3.9.3.2.2

    4. 4

      Print technologies3.9.4

      1. 1

        Laser3.9.4.1

        1. 1

          Imaging drum, fuser assembly, transfer belt, transfer roller, pickup rollers, separate pads, duplexing assembly3.9.4.1.1

        2. 2

          Imaging process: processing, charging, exposing, developing, transferring fusing, and cleaning3.9.4.1.2

        3. 3

          Maintenance Replace toner, apply maintenance kit, calibrate, clean3.9.4.1.3

      2. 2

        Inkjet3.9.4.2

        1. 1

          Ink cartridge, print head, roller, feeder, duplexing assembly, carriage, and belt3.9.4.2.1

        2. 2

          Calibrate3.9.4.2.2

        3. 3

          Maintenance: Clean heads, replace cartridges, calibrate, clear jams3.9.4.2.3

      3. 3

        Thermal3.9.4.3

        1. 1

          Feed assembly, heating element3.9.4.3.1

        2. 2

          Special thermal paper3.9.4.3.2

        3. 3

          Maintenance: Replace paper, clean heating element, remove debris3.9.4.3.3

      4. 4

        Impact3.9.4.4

        1. 1

          Print head, ribbon, tractor feed3.9.4.4.1

        2. 2

          Impact paper3.9.4.4.2

        3. 3

          Maintenance: Replace ribbon, replace print head, replace paper3.9.4.4.3

      5. 5

        Virtual3.9.4.5

        1. 1

          Print to file3.9.4.5.1

        2. 2

          Print to PDF3.9.4.5.2

        3. 3

          Print to XPS3.9.4.5.3

        4. 4

          Print image3.9.4.5.4

      6. 6

        3D printers3.9.4.6

        1. 1

          Plastic filament3.9.4.6.1

Hardware and Network Troubleshooting4

  • 1

    Use the best practice methodology to resolve problems.4.1

    1. 1

      Always consider corporate policies, procedures, and impacts before implementing changes. 4.1.1

      1. 1

        Identify the problem4.1.1.1

        1. 1

          Question the user and identify user changes to computer and perform backups before making changes4.1.1.1.1

        2. 2

          Inquire regarding environmental or infrastructure changes4.1.1.1.2

        3. 3

          Review system and application logs4.1.1.1.3

      2. 2

        Establish a theory of probable cause (question the obvious) 4.1.1.2

        1. 1

          If necessary, conduct external or internal research based on symptoms4.1.1.2.1

      3. 3

        Test the theory to determine cause4.1.1.3

        1. 1

          Once the theory is confirmed, determine the next steps to resolve problem4.1.1.3.1

        2. 2

          If theory is not confirmed re-establish new theory or escalate4.1.1.3.2

      4. 4

        Establish a plan of action to resolve the problem and implement the solution4.1.1.4

      5. 5

        Verity full system functionality and, if applicable, implement preventive measures4.1.1.5

      6. 6

        Document findings, actions, and outcomes4.1.1.6

  • 2

    Understand the trouble shooting process relating to motherboards, RAM, CPU’s, and power.4.2

    1. 1

      Common symptoms 4.2.1

      1. 1

        Unexpected shutdowns4.2.1.1

      2. 2

        System lockups4.2.1.2

      3. 3

        POST code beeps4.2.1.3

      4. 4

        Blank screen on bootup4.2.1.4

      5. 5

        CMOS4.2.1.5

      6. 6

        time and setting resets4.2.1.6

      7. 7

        Attempts to boot to incorrect device4.2.1.7

      8. 8

        Continuous reboots4.2.1.8

      9. 9

        No power4.2.1.9

      10. 10

        Overheating4.2.1.10

      11. 11

        Loud noise4.2.1.11

      12. 12

        Intermittent device failures4.2.1.12

      13. 13

        Fans pain- no power to other devices4.2.1.13

      14. 14

        Indicator lights4.2.1.14

      15. 15

        Smoke4.2.1.15

      16. 16

        Burning smell4.2.1.16

      17. 17

        Proprietary crash screens (BSOD/pin wheel)4.2.1.17

      18. 18

        Distended capacitors4.2.1.18

      19. 19

        Log entries and error messages4.2.1.19

  • 3

    Troubleshooting storages devices.4.3

    1. 1

      Common symptoms 4.3.1

      1. 1

        Read/write failure4.3.1.1

      2. 2

        Slow performance4.3.1.2

      3. 3

        Loud clicking noise4.3.1.3

      4. 4

        Failure to boot4.3.1.4

      5. 5

        Drive not recognized4.3.1.5

      6. 6

        OS not found4.3.1.6

      7. 7

        RAID not found4.3.1.7

      8. 8

        RAID stops working4.3.1.8

      9. 9

        Proprietary crash screens (BSOD/pin wheel)4.3.1.9

      10. 10

        S.M.A.R.T. errors4.3.1.10

  • 4

    Troubleshooting multimedia components.4.4

    1. 1

      Common systems4.4.1

      1. 1

        VGA mode4.4.1.1

      2. 2

        No image on screen4.4.1.2

      3. 3

        Overheat shutdown4.4.1.3

      4. 4

        Dead pixels4.4.1.4

      5. 5

        Artifacts4.4.1.5

      6. 6

        Incorrect color patterns4.4.1.6

      7. 7

        Dim image4.4.1.7

      8. 8

        Flickering image4.4.1.8

      9. 9

        Distorted image4.4.1.9

      10. 10

        Distorted geometry4.4.1.10

      11. 11

        Burn-in4.4.1.11

      12. 12

        Oversized images and icons4.4.1.12

  • 5

    Troubleshoot common network problems.4.5

    1. 1

      Common symptoms 4.5.1

      1. 1

        Limited connectivity4.5.1.1

      2. 2

        Unavailable resources4.5.1.2

        1. 1

          Internet4.5.1.2.1

        2. 2

          Local resources4.5.1.2.2

          1. 1

            Shares4.5.1.2.2.1

          2. 2

            Printers4.5.1.2.2.2

          3. 3

            Email4.5.1.2.2.3

      3. 3

        No connectivity4.5.1.3

      4. 4

        APIPA/link local address4.5.1.4

      5. 5

        Intermittent connectivity4.5.1.5

      6. 6

        IP conflict4.5.1.6

      7. 7

        Slow transfer speeds4.5.1.7

      8. 8

        Low RF signal4.5.1.8

      9. 9

        SSID not found4.5.1.9

Operational Procedures5

  • 1

    Understand proper communication techniques and professionalism.5.1

    1. 1

      Use proper language and avoid jargon, acronyms, and slang, when applicable5.1.1

    2. 2

      Maintain a positive attitude/ project confidence5.1.2

    3. 3

      Actively listen (taking notes) and avoid interrupting the customer5.1.3

    4. 4

      Be respectful of different cultures5.1.4

      1. 1

        Use appropriate professional titles, when applicable5.1.4.1

    5. 5

      Be on time (if late, contact the customer)5.1.5

    6. 6

      Avoid distractions5.1.6

      1. 1

        Personal calls5.1.6.1

      2. 2

        Texting/social media sites5.1.6.2

      3. 3

        Talking to coworkers while interacting with customers5.1.6.3

      4. 4

        Personal interruptions5.1.6.4

    7. 7

      Dealing with difficult customers or situations5.1.7

      1. 1

        Do not argue with customers and/or be defensive5.1.7.1

      2. 2

        Avoid dismissing customer problems5.1.7.2

      3. 3

        Avoid being judgmental5.1.7.3

      4. 4

        Clarify customer statements (ask open-ended questions to narrow the5.1.7.4

      5. 5

        scope of the problem, restate the issue, or question to verify understanding)5.1.7.5

      6. 6

        Do not disclose experiences via social media outlets5.1.7.6

    8. 8

      Set and meet expectations/timeline and communicate status with the customer5.1.8

      1. 1

        Offer different repair/ replacement options, if applicable5.1.8.1

      2. 2

        Provide proper documentation on the services provided5.1.8.2

      3. 3

        Follow up with customer/user at a later date to verify satisfaction5.1.8.3

    9. 9

      Deal appropriately with customers’ confidential and private materials 5.1.9

      1. 1

        Located on a computer, desktop, printer, etc. 5.1.9.1

Frequently asked questions

What grade levels do these standards cover?
Grade 10, Grade 11, and Grade 12
Where can I read the official document?
STRANDS AND STANDARDS COMPUTER SYSTEMS 1

Keep exploring

Sibling grade bands, other subjects in this jurisdiction, and the same subject across other states.