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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.
Dust can encourage insects and other pests to live in the equipment closets.
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 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 enables the IT manager to check on the location and state of the computer assets.
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 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 enables the IT manager to check on the location and state of the computer assets.
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.Unpinning an app from this view will uninstall the app from the phone.Tile sizes depend on the size of the app.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.
Tapping and holding the arrow at the bottom left will display the Home screen.
Unpinning an app from this view will uninstall the app from the phone.
Tile sizes depend on the size of the app.
Icons and buttons are used to represent the different apps on the phone.
nbtstat cisco.comnslookup cisco.comipconfig /flushdnsnet cisco.comping cisco.com
nbtstat cisco.com
nslookup cisco.com
ipconfig /flushdns
net cisco.com
ping cisco.com
to provide enhanced audio and graphic capabilitiesto connect peripheral devices to a PC to improve performanceto connect multiple storage devices for redundancy or speedto allow older PCI technology expansion slots to be used
to provide enhanced audio and graphic capabilities
to connect peripheral devices to a PC to improve performance
to connect multiple storage devices for redundancy or speed
to allow older PCI technology expansion slots to be used
PS/2 keyboardtouchpadAC power connectorexternal monitorweb camerafingerprint reader
PS/2 keyboard
touchpad
AC power connector
external monitor
web camera
fingerprint reader
FinderDisk UtilityTime MachineDeja Dup
Finder
Disk Utility
Time Machine
Deja Dup
when installing RAMwhen replacing a power supply unitwhen installing a hard drivewhen opening a computer case
when installing RAM
when replacing a power supply unit
when installing a hard drive
when opening a computer case
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?
What software has been installed recently?
The computer displays a “BOOTMGR is missing” error after POST.The computer displays an “Invalid Boot Disk” error after POST.The computer locks up without any error messages.The computer continually restarts without displaying the desktop.The computer displays an ‘Inaccessible Boot Device’ error after POST.
The computer displays a “BOOTMGR is missing” error after POST.
The computer displays an “Invalid Boot Disk” error after POST.
The computer locks up without any error messages.
The computer continually restarts without displaying the desktop.
The computer displays an ‘Inaccessible Boot Device’ error after POST.
Create a System Repair Disc and restore the image.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.Press the F12 key during the boot process and start the computer in Safe Mode.
Create a System Repair Disc and restore the image.
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.
Press the F12 key during the boot process and start the computer in Safe Mode.
My ComputerComputer ManagementDevice ManagerSystem Tools
My Computer
Computer Management
Device Manager
System Tools
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.
Consult the service manual for the laptop.
Data resources and access are centrally controlled.The total cost of the new solution is considerably lower.Personnel costs are lower because a dedicated network administrator is no longer necessary.Individual users are in control of their own computers and network resources.Data is more secure in the event of hardware failures.
Data resources and access are centrally controlled.
The total cost of the new solution is considerably lower.
Personnel costs are lower because a dedicated network administrator is no longer necessary.
Individual users are in control of their own computers and network resources.
Data is more secure in the event of hardware failures.
embedded multimedia cardUSB flash drivesolid-state hybrid disksolid-state drive
embedded multimedia card
USB flash drive
solid-state hybrid disk
solid-state drive
to specify procedures for the operation of sensitive components and prevention of electrostatic dischargeto specify procedures in the use of humidity control and prevention of moisture damageto specify procedures for dealing with potentially hazardous materialsto specify procedures in designing and building common computer systems
to specify procedures for the operation of sensitive components and prevention of electrostatic discharge
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 in designing and building common computer systems
Use airplane mode if you are accessing the Internet at an open Wi-Fi site.Unmount all unused disk partitions.Back up user data on a regular basis.Ensure that the operating system software and applications contain the latest updates.Execute a factory reset once a month to remove all unidentified malicious software.Password protect iTunes or Google Play accounts.
Use airplane mode if you are accessing the Internet at an open Wi-Fi site.
Unmount all unused disk partitions.
Back up user data on a regular basis.
Ensure that the operating system software and applications contain the latest updates.
Execute a factory reset once a month to remove all unidentified malicious software.
Password protect iTunes or Google Play accounts.
NTFS is easier to configure.NTFS supports larger files.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 provides more security features.
NTFS is easier to configure.
NTFS supports larger files.
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 provides more security features.
DHCPICMPDNSAPIPA
DHCP
ICMP
DNS
APIPA
DB-15DVIHDMIPS/2
DB-15
DVI
HDMI
PS/2
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 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.The user must browse the Internet, then download and install the proper driver.
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 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.
The user must browse the Internet, then download and install the proper driver.
TPMdrive encryptionMAC filteringfile encryptionTKIP keypasswords
TPM
drive encryption
MAC filtering
file encryption
TKIP key
passwords
Secure Digital cardexternal hard driveCompactFlash cardexternal flash drive
Secure Digital card
external hard drive
CompactFlash card
external flash drive
ISAPCIeAGPDIMMPCI
ISA
PCIe
AGP
DIMM
PCI
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.
Ensure the humidity and temperature levels are set as low as possible.
Ensure the number of wireless NICs exceeds the number of wireless phones.
surge suppressoruninterruptible power supplystandby power supplypower inverter
surge suppressor
uninterruptible power supply
standby power supply
power inverter
The display settings have been changed.The display is not correctly installed.Power to the pixels has been removed.The GPU is not cooling correctly.The LCD cutoff switch is damaged.
The display settings have been changed.
The display is not correctly installed.
Power to the pixels has been removed.
The GPU is not cooling correctly.
The LCD cutoff switch is damaged.
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.
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.
piezoelectric printerthermal printerimpact printerinkjet printer
piezoelectric printer
thermal printer
impact printer
inkjet printer
paper traysfuser assemblysecondary coronapickup rollerstransfer rollersprimary corona
paper trays
fuser assembly
secondary corona
pickup rollers
transfer rollers
primary corona
LEAPWEPWPA2WPA
LEAP
WEP
WPA2
WPA
All hosts must be in the same geographic area.It is easy to identify the source of the attack.Infected computers are called daemons.Many hosts participate in a coordinated attack.
All hosts must be in the same geographic area.
It is easy to identify the source of the attack.
Infected computers are called daemons.
Many hosts participate in a coordinated attack.
if the battery only supports the system for a reduced period of timeif there are signs of swellingif the device feels warm to the touchif 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
if the screen brightness begins to dim
support for Windows backupstorage of digital certificatessecurity for user authentication informationhashed encryption of the hard drive volumesupport for Windows Firewallapplication license protection
support for Windows backup
storage of digital certificates
security for user authentication information
hashed encryption of the hard drive volume
support for Windows Firewall
application license protection
IaaSSaaSITaaSPaaS
IaaS
SaaS
ITaaS
PaaS
applicationnetworkdata linktransport
application
network
data link
transport
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.
Test the theory to determine cause.
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 computer emits a pattern of beeps indicating the failing device.The screen flashes with a red background and displays a warning message.
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 computer emits a pattern of beeps indicating the failing device.
The screen flashes with a red background and displays a warning message.
scannerswitchbiometric identification deviceKVMdigitizer
scanner
switchbiometric identification device
KVM
digitizer
only the failed attempts, so that future technicians will know what not to trya description of the problem and solutiononly the solution, because this solved the problemeverything that was done to try to solve the problem
only the failed attempts, so that future technicians will know what not to try
a description of the problem and solution
only the solution, because this solved the problem
everything that was done to try to solve the problem
System RestoreEvent ViewerTask ManagerAdd or Remove Programs
System Restore
Event Viewer
Task Manager
Add or Remove Programs
basic functionality of computer portscopper cable locationquality of electricity in computer componentswireless signal strength and access point positioning
basic functionality of computer ports
copper cable location
quality of electricity in computer components
wireless signal strength and access point positioning
improving device performanceenabling features that are disabled by a cellular carriernot properly creating or maintaining sandboxing featuresallowing the user interface to be extensively customizedenabling app access to the root directory
improving device performance
enabling features that are disabled by a cellular carrier
not properly creating or maintaining sandboxing features
allowing the user interface to be extensively customized
enabling app access to the root directory
server clusteringRAIDTerminal Serviceshypervisor
server clustering
RAID
Terminal Services
hypervisor
The operating system is not compatible with the remote sites.The NIC driver is out of date.The default gateway is incorrect.The TCP/IP protocol stack is not loaded.
The operating system is not compatible with the remote sites.
The NIC driver is out of date.
The default gateway is incorrect.
The TCP/IP protocol stack is not loaded.
The touchscreen is not calibrated.An app is not compatible with the device.The operating system has encountered an error.A power-intensive app is running at the background.
The touchscreen is not calibrated.
An app is not compatible with the device.
The operating system has encountered an error.
A power-intensive app is running at the background.
isopropyl alcoholsoap and watera diluted ammonia solutionrubbing alcohol
isopropyl alcohol
soap and water
a diluted ammonia solution
rubbing alcohol
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 fixed value that represents the level of access of a user to system filesa variable set by the administrator for each user of the systeman environment variable that is set by the operating systemthe location of the Documents folder of a particular user
a fixed value that represents the level of access of a user to system files
a variable set by the administrator for each user of the system
an environment variable that is set by the operating system
the location of the Documents folder of a particular user
143224435380
143
22
443
53
80
An expiration period should be established so that passwords frequently change.Passwords should contain mainly numbers for better encryption.The system administrator should assign passwords to the users.Lockout policies should be avoided in order to increase user access.Passwords should be physically stored in a convenient location.
An expiration period should be established so that passwords frequently change.
Passwords should contain mainly numbers for better encryption.
The system administrator should assign passwords to the users.
Lockout policies should be avoided in order to increase user access.
Passwords should be physically stored in a convenient location.
the video cardthe optical drivethe network interface cardthe power supply
the video card
the optical drive
the network interface card
the power supply
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