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Test the theory to determine cause.Establish a plan of action.Identify the exact problem.Document findings and outcomes.
Test the theory to determine cause.
Establish a plan of action.
Identify the exact problem.
Document findings and outcomes.
ISAPCIeDIMMPCIAGP
ISA
PCIe
DIMM
PCI
AGP
Infected computers are called daemons.All hosts must be in the same geographic area.Many hosts participate in a coordinated attack.It is easy to identify the source of the attack.
Infected computers are called daemons.
All hosts must be in the same geographic area.
Many hosts participate in a coordinated attack.
It is easy to identify the source of the attack.
Ensure the humidity and temperature levels are set as low as possible.Ensure the number of wireless NICs exceeds the number of wireless phones.Ensure each wireless NIC is configured to operate at different frequencies from all other wireless NICs.Ensure the wireless network is on a different frequency than the offending source.
Ensure the humidity and temperature levels are set as low as possible.
Ensure the number of wireless NICs exceeds the number of wireless phones.
Ensure each wireless NIC is configured to operate at different frequencies from all other wireless NICs.
Ensure the wireless network is on a different frequency than the offending source.
Execute a factory reset once a month to remove all unidentified malicious software.Back up user data on a regular basis.Password protect iTunes or Google Play accounts.Ensure that the operating system software and applications contain the latest updates.Use airplane mode if you are accessing the Internet at an open Wi-Fi site.Unmount all unused disk partitions.
Execute a factory reset once a month to remove all unidentified malicious software.
Back up user data on a regular basis.
Password protect iTunes or Google Play accounts.
Ensure that the operating system software and applications contain the latest updates.
Use airplane mode if you are accessing the Internet at an open Wi-Fi site.
Unmount all unused disk partitions.
Add or Remove ProgramsSystem RestoreEvent ViewerTask Manager
Add or Remove Programs
System Restore
Event Viewer
Task Manager
to connect peripheral devices to a PC to improve performanceto allow older PCI technology expansion slots to be usedto connect multiple storage devices for redundancy or speedto provide enhanced audio and graphic capabilities
to connect peripheral devices to a PC to improve performance
to allow older PCI technology expansion slots to be used
to connect multiple storage devices for redundancy or speed
to provide enhanced audio and graphic capabilities
networktransportapplicationdata link
network
transport
application
data link
if there are signs of swellingif the device feels warm to the touchif the battery only supports the system for a reduced period of timeif the screen brightness begins to dim
if there are signs of swelling
if the device feels warm to the touch
if the battery only supports the system for a reduced period of time
if the screen brightness begins to dim
Preventive maintenance allows the IT department to regularly monitor the contents of user hard drives to ensure computer use policies are being followed.Preventive maintenance enables the IT manager to check on the location and state of the computer assets.Preventive maintenance provides an opportunity for junior technicians to obtain more experience in a non-threatening or problem environment.Preventive maintenance helps to protect the computer equipment against future problems.
Preventive maintenance allows the IT department to regularly monitor the contents of user hard drives to ensure computer use policies are being followed.
Preventive maintenance enables the IT manager to check on the location and state of the computer assets.
Preventive maintenance provides an opportunity for junior technicians to obtain more experience in a non-threatening or problem environment.
Preventive maintenance helps to protect the computer equipment against future problems.
application license protectionstorage of digital certificatessupport for Windows Firewallhashed encryption of the hard drive volumesecurity for user authentication informationsupport for Windows backup
application license protection
storage of digital certificates
support for Windows Firewall
hashed encryption of the hard drive volume
security for user authentication information
support for Windows backup
a description of the problem and solutiononly the failed attempts, so that future technicians will know what not to tryeverything that was done to try to solve the problemonly the solution, because this solved the problem
a description of the problem and solution
only the failed attempts, so that future technicians will know what not to try
everything that was done to try to solve the problem
only the solution, because this solved the problem
copper cable locationbasic functionality of computer portswireless signal strength and access point positioningquality of electricity in computer components
copper cable location
basic functionality of computer ports
wireless signal strength and access point positioning
quality of electricity in computer components
fingerprint readerAC power connectorPS/2 keyboardtouchpadexternal monitorweb camera
fingerprint reader
AC power connector
PS/2 keyboard
touchpad
external monitor
web camera
transfer rollersprimary coronapickup rollersfuser assemblysecondary coronapaper trays
transfer rollers
primary corona
pickup rollers
fuser assembly
secondary corona
paper trays
An app is not compatible with the device.The touchscreen is not calibrated.A power-intensive app is running at the background.The operating system has encountered an error.
An app is not compatible with the device.
The touchscreen is not calibrated.
A power-intensive app is running at the background.
The operating system has encountered an error.
external hard driveCompactFlash cardSecure Digital cardexternal flash drive
external hard drive
CompactFlash card
Secure Digital card
external flash drive
Data is more secure in the event of hardware failures.The total cost of the new solution is considerably lower.Personnel costs are lower because a dedicated network administrator is no longer necessary.Data resources and access are centrally controlled.Individual users are in control of their own computers and network resources.
Data is more secure in the event of hardware failures.
The total cost of the new solution is considerably lower.
Personnel costs are lower because a dedicated network administrator is no longer necessary.
Data resources and access are centrally controlled.
Individual users are in control of their own computers and network resources.
Use a moistened cotton swab to remove excess dust.Use a can of compressed air to remove excess dust.Use a lint-free cloth sprayed with a cleaning solution to remove excess dust.Ignore the dust, as it does not affect the computer.
Use a moistened cotton swab to remove excess dust.
Use a can of compressed air to remove excess dust.
Use a lint-free cloth sprayed with a cleaning solution to remove excess dust.
Ignore the dust, as it does not affect the computer.
WEPWPA2LEAPWPA
WEP
WPA2
LEAP
WPA
System ToolsDevice ManagerComputer ManagementMy Computer
System Tools
Device Manager
Computer Management
My Computer
ping cisco.comipconfig /flushdnsnet cisco.comnbtstat cisco.comnslookup cisco.com
ping cisco.com
ipconfig /flushdns
net cisco.com
nbtstat cisco.com
nslookup cisco.com
enabling app access to the root directoryimproving device performanceallowing the user interface to be extensively customizednot properly creating or maintaining sandboxing featuresenabling features that are disabled by a cellular carrier
enabling app access to the root directory
improving device performance
allowing the user interface to be extensively customized
not properly creating or maintaining sandboxing features
enabling features that are disabled by a cellular carrier
hypervisorserver clusteringRAIDTerminal Services
hypervisor
server clustering
RAID
Terminal Services
The display settings have been changed.The GPU is not cooling correctly.Power to the pixels has been removed.The display is not correctly installed.The LCD cutoff switch is damaged.
The display settings have been changed.
The GPU is not cooling correctly.
Power to the pixels has been removed.
The display is not correctly installed.
The LCD cutoff switch is damaged.
The computer continually restarts without displaying the desktop.The computer locks up without any error messages.The computer displays an “Invalid Boot Disk” error after POST.The computer displays a “BOOTMGR is missing” error after POST.The computer displays an ‘Inaccessible Boot Device’ error after POST.
The computer continually restarts without displaying the desktop.
The computer locks up without any error messages.
The computer displays an “Invalid Boot Disk” error after POST.
The computer displays a “BOOTMGR is missing” error after POST.
The computer displays an ‘Inaccessible Boot Device’ error after POST.
isopropyl alcoholsoap and waterrubbing alcohola diluted ammonia solution
isopropyl alcohol
soap and water
rubbing alcohol
a diluted ammonia solution
Tile sizes depend on the size of the app.Tapping and holding the arrow at the bottom left will display the Home screen.Icons and buttons are used to represent the different apps on the phone.Text messages, news, photos and other content can be displayed in the different tiles.Unpinning an app from this view will uninstall the app from the phone.
Tile sizes depend on the size of the app.
Tapping and holding the arrow at the bottom left will display the Home screen.
Icons and buttons are used to represent the different apps on the phone.
Text messages, news, photos and other content can be displayed in the different tiles.
Unpinning an app from this view will uninstall the app from the phone.
uninterruptible power supplysurge suppressorstandby power supplypower inverter
uninterruptible power supply
surge suppressor
standby power supply
power inverter
The NIC driver is out of date.The TCP/IP protocol stack is not loaded.The operating system is not compatible with the remote sites.The default gateway is incorrect.
The NIC driver is out of date.
The TCP/IP protocol stack is not loaded.
The operating system is not compatible with the remote sites.
The default gateway is incorrect.
inkjet printerimpact printerthermal printerpiezoelectric printer
inkjet printer
impact printer
thermal printer
piezoelectric printer
the power supplythe network interface cardthe video cardthe optical drive
the power supply
the network interface card
the video card
the optical drive
file encryptiondrive encryptionMAC filteringTPMpasswordsTKIP key
file encryption
drive encryption
MAC filtering
TPM
passwords
TKIP key
534432280143
53
443
22
80
143
Can the laptop operate using the AC adapter?What were you doing when the problem occurred?What software has been installed recently?Have you changed your password recently?
Can the laptop operate using the AC adapter?
What were you doing when the problem occurred?
What software has been installed recently?
Have you changed your password recently?
The user must browse the Internet, then download and install the proper driver.The person doing the sharing must use the Additional Drivers button in order to designate how many device drivers are allowed to be downloaded.The person doing the sharing must use the Additional Drivers button in order to designate the driver to be used by the other Windows 7 computers.Nothing. Windows automatically provides the driver.
The user must browse the Internet, then download and install the proper driver.
The person doing the sharing must use the Additional Drivers button in order to designate how many device drivers are allowed to be downloaded.
The person doing the sharing must use the Additional Drivers button in order to designate the driver to be used by the other Windows 7 computers.
Nothing. Windows automatically provides the driver.
when opening a computer casewhen replacing a power supply unitwhen installing RAMwhen installing a hard drive
when opening a computer case
when replacing a power supply unit
when installing RAM
when installing a hard drive
to specify procedures in the use of humidity control and prevention of moisture damageto specify procedures for dealing with potentially hazardous materialsto specify procedures for the operation of sensitive components and prevention of electrostatic dischargeto specify procedures in designing and building common computer systems
to specify procedures in the use of humidity control and prevention of moisture damage
to specify procedures for dealing with potentially hazardous materials
to specify procedures for the operation of sensitive components and prevention of electrostatic discharge
to specify procedures in designing and building common computer systems
Dust can cause network equipment to overheat and cause problems on the network.Dust is considered a fire hazard that poses danger to personnel and equipment.Dust diminishes the range of wireless services.Dust can encourage insects and other pests to live in the equipment closets.Dust increases electromagnetic interference in nearby connected cables.
Dust can cause network equipment to overheat and cause problems on the network.
Dust is considered a fire hazard that poses danger to personnel and equipment.
Dust diminishes the range of wireless services.
Dust can encourage insects and other pests to live in the equipment closets.
Dust increases electromagnetic interference in nearby connected cables.
What error messages were displayed when the error occurred?What happened before the error occurred?Is this the first time the error occurred?What happened after the error occurred?
What error messages were displayed when the error occurred?
What happened before the error occurred?
Is this the first time the error occurred?
What happened after the error occurred?
The screen flashes with a red background and displays a warning message.The computer emits a pattern of beeps indicating the failing device.The computer returns an error message that indicates the I/O address of the failing device.The computer automatically boots into Safe Mode and displays a warning on the screen.
The screen flashes with a red background and displays a warning message.
The computer emits a pattern of beeps indicating the failing device.
The computer returns an error message that indicates the I/O address of the failing device.
The computer automatically boots into Safe Mode and displays a warning on the screen.
the location of the Documents folder of a particular usera variable set by the administrator for each user of the systema fixed value that represents the level of access of a user to system filesan environment variable that is set by the operating system
the location of the Documents folder of a particular user
a variable set by the administrator for each user of the system
a fixed value that represents the level of access of a user to system files
an environment variable that is set by the operating system
Consult the service manual for the laptop.Backup the BIOS settings.Ask a fellow technician for advice.Remove the keyboard.
Consult the service manual for the laptop.
Backup the BIOS settings.
Ask a fellow technician for advice.
Remove the keyboard.
switchbiometric identification devicescannerdigitizerKVM
switchbiometric identification device
scanner
digitizer
KVM
NTFS allows faster formatting of drives.NTFS supports larger files.NTFS allows the automatic detection of bad sectors.NTFS provides more security features.NTFS allows faster access to external peripherals such as a USB drive.NTFS is easier to configure.
NTFS allows faster formatting of drives.
NTFS supports larger files.
NTFS allows the automatic detection of bad sectors.
NTFS provides more security features.
NTFS allows faster access to external peripherals such as a USB drive.
NTFS is easier to configure.
Create a System Repair Disc and restore the image.Press the F12 key during the boot process and start the computer in Safe Mode.Access the Control Panel and choose Restore Files from Backup from the System and Security menu.Boot from a Windows 7 installation media and access the System Restore utility.
Create a System Repair Disc and restore the image.
Press the F12 key during the boot process and start the computer in Safe Mode.
Access the Control Panel and choose Restore Files from Backup from the System and Security menu.
Boot from a Windows 7 installation media and access the System Restore utility.
SaaSIaaSITaaSPaaS
SaaS
IaaS
ITaaS
PaaS
ICMPDHCPAPIPADNS
ICMP
DHCP
APIPA
DNS
embedded multimedia cardUSB flash drivesolid-state drivesolid-state hybrid disk
embedded multimedia card
USB flash drive
solid-state drive
solid-state hybrid disk
Passwords should be physically stored in a convenient location.Passwords should contain mainly numbers for better encryption.An expiration period should be established so that passwords frequently change.Lockout policies should be avoided in order to increase user access.The system administrator should assign passwords to the users.
Passwords should be physically stored in a convenient location.
Passwords should contain mainly numbers for better encryption.
An expiration period should be established so that passwords frequently change.
Lockout policies should be avoided in order to increase user access.
The system administrator should assign passwords to the users.
Deja DupDisk UtilityTime MachineFinder
Deja Dup
Disk Utility
Time Machine
Finder
PS/2DVIDB-15HDMI
PS/2
DVI
DB-15
HDMI
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