GC4L 220-702 Notes

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Author:
esmenikmati
ID:
165353
Filename:
GC4L 220-702 Notes
Updated:
2012-08-16 12:10:42
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gc4l test
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  1. PATA HDD: 40 wires vs 80
    • 40 wire cables use master/slave settings
    • 80 wire cables use cable select or master/slave
  2. Molex Connectors
    Supply power to FDD/SATA/PATA
  3. IDE cables have two connectors
    • Connector on the far end: Master
    • Connector in the middle: Slave
  4. pin 1 on HDD/FDD
    always closest to the power supply
  5. Acceptable voltage range: 5.0
    4.8 - 5.2
  6. Acceptable voltage range: 12.0
    11.4 - 12.6
  7. Acceptable voltage range: 3.3
    3.14 - 3.5
  8. Acceptable voltage range: Power Good
    3.0 - 6.0
  9. loopback address
    127.0.0.1
  10. ATX cases typically have _ case fans
    2
  11. PATA UDMA-66 or faster drive limited to slower speeds
    • Replace 40-wire cable with 80-wire
    • Possibly run manufacturer speed-change program
  12. No information displayed at boot, or drive error becausedrive not detected at startup, and drive can be heard spinning up
    • Check connection (pin 1)
    • or properly seated connection if SATA
  13. HDD clicking or scraping
    • It's physically damaged
    • replace it
  14. Two drives are on a ribbon cable, and only one is being detected, or neither drive is detect
    Check jumper settings
  15.  Initial system power yields ―drive not ready error, but reboot and drive comes up fine.
    • Adjust delay timer in BIOS
    • Disable quick boot
  16. FDD: "General Error"
    or "Track 0 bad"
    or "Sector not found"
    Re-format disk
  17. FDD: Drive light turns on at boot and stays illuminated
    connector cables are backwards
  18. ExpressCard forms
    • 34mm
    • 54mm
  19. Printer: Replace fuser
    Fixes smearing/wet printouts
  20. Printer: Replace drum
    Fixes "ghosted" images and speckles
  21. Printer: Power cycle
    clears print queue, sometimes fixes garbage characters
  22. User file locations : XP/2k
    C:\Documents and Settings\Username
  23. User file locations: 7/Vista
    C:\Users\User
  24. Print spooler stalled
    • Restart spooler service
    • one method: net stop spooler,
    • net start spooler
  25. Copy folders (including all subfolders and files)
    xcopy
  26. Remote desktop in Windows Vista
    • Computer you connect to must be using
    • Business or
    • Ultimate
  27. HP LaserJet Error 52
    Scanning motor not working
  28. HP LaserJet Error 11
    No paper in tray
  29. HP LaserJet Error 14
    No toner cartridge
  30. HP LaserJet Error 50
    Fuser malfunctioning
  31. 100BaseTX / T
    • 100Mbps / 100m
    • UTP CAT-5
  32. 10GBaseT
    • 10Gbps / 100 m
    • UTP CAT-6
  33. 10GBaseSR
    • 10Gbps / 26 m
    • Multi-Mode Fiber
  34. 10BaseT
    • 10 Mbps / 100 m
    • CAT-3, CAT-4
  35. 1000BaseT
    • 1Gbps / 100 m
    • UTP CAT-5
  36. Too much thermal paste on processor
    • Could overheat
    • Could short-circuit
  37. Line tester
    used on phone lines to determine analog/digital/polarity
  38. PCI 16x throughput
    8,000 Mbps
  39. PCI 32x throughput
    16,000 Mbps
  40. example of format syntax
    • format d: /fs ntfs /v:DATA
    • v: volume name
    • fs: filesystem type
  41. You can search e-mails on the server without downloading them
    IMAP
  42. You have to download all e-mails to search them
    POP3
  43. LPT
    Line Printer Terminal
  44. COM1
    Serial Communications (like for modems) 1
  45. Program used to create a mounted drive
    Disk Management (MMC)
  46. line filter
    required for DSL connections
  47. Region Settings on Win2k
    Regional Options
  48. Region Settings on WinXP
    Regional and Language Options
  49. Theoretical RAM limit of 64-bit systems
    16EB
  50. Examples of passive heat sink
    • radiator
    • cooling fin
    • (no fans)
  51. APIPA
    Auto IP Addressing
  52. APIPA range
    • 169.254.x.x
    • cannot connect to internet
  53. SMTP port
    25
  54. POP3 port
    110
  55. FTP ports
    20, 21
  56. SSH port
    22
  57. Secure FTP
    uses SSH
  58. standard ping sends _ packets
    4
  59. by default, tracert will report up to __ hops
    30
  60. netstat
    • determines network activity statistics
    • netstat -b: tells you programs making connections
    • runs until ctrl+break
  61. net use
    • shows connections
    • maps network drives (\\servername\share)
    • makes connections
  62. TCP port __ must be open for telnet to work
    23
  63. microfilters
    prevent interference on phone lines
  64. ISDN
    • Integrated Services Digital Network
    • 128kbps
    • meant for multiple digital devices to share one phone line
  65. Allows 802.11a to run on later machines
    dual mode
  66. 802.11b
    • 11Mbps
    • 2.4GHz range
  67. 802.11g
    • 54Mbps
    • 2.4GHz range
  68. 802.11n
    • 600 Mbps max (300Mbps likely)
    • 2.4 / 5 GHz range
  69. WEP
    • 64 or 128 bit encryption
    • user only has access to 40 of 64 bits, meaning 40-bit encryption
  70. QoS
    • Quality of Service
    • Streaming audio/video in VoIP calls
  71. FXO port
    allows you to use regular phone with VoIP
  72. fix master boot record
    bootrec /fixmbr
  73. fix OS boot record
    bootrec /fixboot
  74. Inheritance
    • Propagation (of attributes) on a larger scale
    • like entire drives instead of folders
  75. Computer using static IP has a subnet of 0.0.0.0
    IP conflict with another host
  76. Task schedule
    • only available in administative tools from WinVista onward
    • schtasks command otherwise
  77. You have a computer running Windows XP with Service Pack 2. You are
    unable to access the Help and Support Center and receive a message that
    the Help and Support service is not running. You need to start the
    service.
    • CP -> Admin Tools -> Services or
    • CP -> Admin Tools -> Computer Mgmt
  78. Windows XP Service Pack 2 adds
    • Windows Security Center
    • Windows Firewall enabled by default

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