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Use a can of compressed air to remove excess dust.Use a moistened cotton swab 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 can of compressed air to remove excess dust.
Use a moistened cotton swab 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.
Press the F12 key during the boot process and start the computer in Safe Mode.Create a System Repair Disc and restore the image.Boot from a Windows 7 installation media and access the System Restore utility.Access the Control Panel and choose Restore Files from Backup from the System and Security menu.
Press the F12 key during the boot process and start the computer in Safe Mode.
Create a System Repair Disc and restore the image.
Boot from a Windows 7 installation media and access the System Restore utility.
Access the Control Panel and choose Restore Files from Backup from the System and Security menu.
DIMMPCIeISAPCIAGP
DIMM
PCIe
ISA
PCI
AGP
Passwords should contain mainly numbers for better encryption.An expiration period should be established so that passwords frequently change.The system administrator should assign passwords to the users.Passwords should be physically stored in a convenient location.Lockout policies should be avoided in order to increase user access.
Passwords should contain mainly numbers for better encryption.
An expiration period should be established so that passwords frequently change.
The system administrator should assign passwords to the users.
Passwords should be physically stored in a convenient location.
Lockout policies should be avoided in order to increase user access.
SaaSPaaSIaaSITaaS
SaaS
PaaS
IaaS
ITaaS
storage of digital certificatessecurity for user authentication informationhashed encryption of the hard drive volumesupport for Windows backupsupport for Windows Firewallapplication license protection
storage of digital certificates
security for user authentication information
hashed encryption of the hard drive volume
support for Windows backup
support for Windows Firewall
application license protection
What software has been installed recently?What were you doing when the problem occurred?Can the laptop operate using the AC adapter?Have you changed your password recently?
What software has been installed recently?
What were you doing when the problem occurred?
Can the laptop operate using the AC adapter?
Have you changed your password recently?
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
wireless signal strength and access point positioningquality of electricity in computer componentscopper cable locationbasic functionality of computer ports
wireless signal strength and access point positioning
quality of electricity in computer components
copper cable location
basic functionality of computer ports
Ensure the number of wireless NICs exceeds the number of wireless phones.Ensure the humidity and temperature levels are set as low as possible.Ensure the wireless network is on a different frequency than the offending source.Ensure each wireless NIC is configured to operate at different frequencies from all other wireless NICs.
Ensure the number of wireless NICs exceeds the number of wireless phones.
Ensure the humidity and temperature levels are set as low as possible.
Ensure the wireless network is on a different frequency than the offending source.
Ensure each wireless NIC is configured to operate at different frequencies from all other wireless NICs.
224435314380
22
443
53
143
80
Event ViewerSystem RestoreTask ManagerAdd or Remove Programs
Event Viewer
System Restore
Task Manager
Add or Remove Programs
The touchscreen is not calibrated.A power-intensive app is running at the background.An app is not compatible with the device.The operating system has encountered an error.
The touchscreen is not calibrated.
A power-intensive app is running at the background.
An app is not compatible with the device.
The operating system has encountered an error.
Consult the service manual for the laptop.Remove the keyboard.Backup the BIOS settings.Ask a fellow technician for advice.
Consult the service manual for the laptop.
Remove the keyboard.
Backup the BIOS settings.
Ask a fellow technician for advice.
nbtstat cisco.comnslookup cisco.comping cisco.comipconfig /flushdnsnet cisco.com
nbtstat cisco.com
nslookup cisco.com
ping cisco.com
ipconfig /flushdns
net cisco.com
Preventive maintenance helps to protect the computer equipment against future problems.Preventive maintenance provides an opportunity for junior technicians to obtain more experience in a non-threatening or problem environment.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 helps to protect the computer equipment against future problems.
Preventive maintenance provides an opportunity for junior technicians to obtain more experience in a non-threatening or problem environment.
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.
drive encryptionMAC filteringTKIP keypasswordsTPMfile encryption
drive encryption
MAC filtering
TKIP key
passwords
TPM
file encryption
The GPU is not cooling correctly.The display is not correctly installed.Power to the pixels has been removed.The LCD cutoff switch is damaged.The display settings have been changed.
The GPU is not cooling correctly.
The display is not correctly installed.
Power to the pixels has been removed.
The LCD cutoff switch is damaged.
The display settings have been changed.
KVMswitchbiometric identification devicedigitizerscanner
KVM
switchbiometric identification device
digitizer
scanner
Text messages, news, photos and other content can be displayed in the different tiles.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.Unpinning an app from this view will uninstall the app from the phone.Tile sizes depend on the size of the app.
Text messages, news, photos and other content can be displayed in the different tiles.
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.
Unpinning an app from this view will uninstall the app from the phone.
Tile sizes depend on the size of the app.
APIPADNSICMPDHCP
APIPA
DNS
ICMP
DHCP
Dust can encourage insects and other pests to live in the equipment closets.Dust can cause network equipment to overheat and cause problems on the network.Dust increases electromagnetic interference in nearby connected cables.Dust diminishes the range of wireless services.Dust is considered a fire hazard that poses danger to personnel and equipment.
Dust can encourage insects and other pests to live in the equipment closets.
Dust can cause network equipment to overheat and cause problems on the network.
Dust increases electromagnetic interference in nearby connected cables.
Dust diminishes the range of wireless services.
Dust is considered a fire hazard that poses danger to personnel and equipment.
when installing RAMwhen opening a computer casewhen installing a hard drivewhen replacing a power supply unit
when installing RAM
when opening a computer case
when installing a hard drive
when replacing a power supply unit
NTFS allows faster formatting of drives.NTFS is easier to configure.NTFS supports larger files.NTFS provides more security features.NTFS allows the automatic detection of bad sectors.NTFS allows faster access to external peripherals such as a USB drive.
NTFS allows faster formatting of drives.
NTFS is easier to configure.
NTFS supports larger files.
NTFS provides more security features.
NTFS allows the automatic detection of bad sectors.
NTFS allows faster access to external peripherals such as a USB drive.
RAIDhypervisorTerminal Servicesserver clustering
RAID
hypervisor
Terminal Services
server clustering
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.Password protect iTunes or Google Play accounts.Back up user data on a regular basis.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.
Password protect iTunes or Google Play accounts.
Back up user data on a regular basis.
Ensure that the operating system software and applications contain the latest updates.
FinderDisk UtilityDeja DupTime Machine
Finder
Disk Utility
Deja Dup
Time Machine
enabling app access to the root directorynot properly creating or maintaining sandboxing featuresenabling features that are disabled by a cellular carrierimproving device performanceallowing the user interface to be extensively customized
enabling app access to the root directory
not properly creating or maintaining sandboxing features
enabling features that are disabled by a cellular carrier
improving device performance
allowing the user interface to be extensively customized
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 the driver to be used by the other Windows 7 computers.Nothing. Windows automatically provides the 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 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 the driver to be used by the other Windows 7 computers.
Nothing. Windows automatically provides the 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.
WPA2WEPLEAPWPA
WPA2
WEP
LEAP
WPA
Many hosts participate in a coordinated attack.Infected computers are called daemons.It is easy to identify the source of the attack.All hosts must be in the same geographic area.
Many hosts participate in a coordinated attack.
Infected computers are called daemons.
It is easy to identify the source of the attack.
All hosts must be in the same geographic area.
thermal printerpiezoelectric printerinkjet printerimpact printer
thermal printer
piezoelectric printer
inkjet printer
impact printer
if the screen brightness begins to dimif the battery only supports the system for a reduced period of timeif there are signs of swellingif the device feels warm to the touch
if the screen brightness begins to dim
if the battery only supports the system for a reduced period of time
if there are signs of swelling
if the device feels warm to the touch
System ToolsMy ComputerComputer ManagementDevice Manager
System Tools
My Computer
Computer Management
Device Manager
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.
an environment variable that is set by the operating systemthe 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 files
an 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
Individual users are in control of their own computers and network resources.Personnel costs are lower because a dedicated network administrator is no longer necessary.Data is more secure in the event of hardware failures.The total cost of the new solution is considerably lower.Data resources and access are centrally controlled.
Individual users are in control of their own computers and network resources.
Personnel costs are lower because a dedicated network administrator is no longer necessary.
Data is more secure in the event of hardware failures.
The total cost of the new solution is considerably lower.
Data resources and access are centrally controlled.
primary coronasecondary coronafuser assemblypickup rollerspaper traystransfer rollers
primary corona
secondary corona
fuser assembly
pickup rollers
paper trays
transfer rollers
applicationtransportnetworkdata link
application
transport
network
data link
uninterruptible power supplypower invertersurge suppressorstandby power supply
uninterruptible power supply
power inverter
surge suppressor
standby power supply
The computer displays an “Invalid Boot Disk” error after POST.The computer displays a “BOOTMGR is missing” error after POST.The computer locks up without any error messages.The computer displays an ‘Inaccessible Boot Device’ error after POST.The computer continually restarts without displaying the desktop.
The computer displays an “Invalid Boot Disk” error after POST.
The computer displays a “BOOTMGR is missing” error after POST.
The computer locks up without any error messages.
The computer displays an ‘Inaccessible Boot Device’ error after POST.
The computer continually restarts without displaying the desktop.
Document findings and outcomes.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.
CompactFlash cardexternal flash driveexternal hard driveSecure Digital card
CompactFlash card
external flash drive
external hard drive
Secure Digital card
DVIHDMIDB-15PS/2
DVI
HDMI
DB-15
PS/2
What error messages were displayed when the error occurred?Is this the first time the error occurred?What happened before the error occurred?What happened after the error occurred?
What error messages were displayed when the error occurred?
Is this the first time the error occurred?
What happened before the error occurred?
What happened after the error occurred?
a description of the problem and solutiononly the failed attempts, so that future technicians will know what not to tryonly the solution, because this solved the problemeverything that was done to try to solve the problem
a description of the problem and solution
only the failed attempts, so that future technicians will know what not to try
only the solution, because this solved the problem
everything that was done to try to solve the problem
fingerprint readerAC power connectorweb cameraPS/2 keyboardexternal monitortouchpad
fingerprint reader
AC power connector
web camera
PS/2 keyboard
external monitor
touchpad
a diluted ammonia solutionrubbing alcoholisopropyl alcoholsoap and water
a diluted ammonia solution
rubbing alcohol
isopropyl alcohol
soap and water
embedded multimedia cardsolid-state hybrid disksolid-state driveUSB flash drive
embedded multimedia card
solid-state hybrid disk
solid-state drive
USB flash drive
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 screen flashes with a red background and displays a warning message.
The computer emits a pattern of beeps indicating the failing device.
the optical drivethe power supplythe network interface cardthe video card
the optical drive
the power supply
the network interface card
the video card
to provide enhanced audio and graphic capabilitiesto 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 speed
to 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
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