jdi na vlastní test/obsah stránky
Can the laptop operate using the AC adapter?Have you changed your password recently?What were you doing when the problem occurred?What software has been installed recently?
Can the laptop operate using the AC adapter?
Have you changed your password recently?
What were you doing when the problem occurred?
What software has been installed recently?
The NIC driver is out of date.The TCP/IP protocol stack is not loaded.The default gateway is incorrect.The operating system is not compatible with the remote sites.
The NIC driver is out of date.
The TCP/IP protocol stack is not loaded.
The default gateway is incorrect.
The operating system is not compatible with the remote sites.
LEAPWPAWEPWPA2
LEAP
WPA
WEP
WPA2
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.
soap and watera diluted ammonia solutionisopropyl alcoholrubbing alcohol
soap and water
a diluted ammonia solution
isopropyl alcohol
rubbing alcohol
allowing the user interface to be extensively customizedenabling features that are disabled by a cellular carrierimproving device performancenot properly creating or maintaining sandboxing featuresenabling app access to the root directory
allowing the user interface to be extensively customized
enabling features that are disabled by a cellular carrier
improving device performance
not properly creating or maintaining sandboxing features
enabling app access to the root directory
net cisco.comnslookup cisco.comipconfig /flushdnsnbtstat cisco.comping cisco.com
net cisco.com
nslookup cisco.com
ipconfig /flushdns
nbtstat cisco.com
ping cisco.com
The operating system has encountered an error.The touchscreen is not calibrated.An app is not compatible with the device.A power-intensive app is running at the background.
The operating system has encountered an error.
The touchscreen is not calibrated.
An app is not compatible with the device.
A power-intensive app is running at the background.
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.
The LCD cutoff switch is damaged.The GPU is not cooling correctly.Power to the pixels has been removed.The display settings have been changed.The display is not correctly installed.
The LCD cutoff switch is damaged.
The GPU is not cooling correctly.
Power to the pixels has been removed.
The display settings have been changed.
The display is not correctly installed.
copper cable locationquality of electricity in computer componentsbasic functionality of computer portswireless signal strength and access point positioning
copper cable location
quality of electricity in computer components
basic functionality of computer ports
wireless signal strength and access point positioning
hypervisorTerminal ServicesRAIDserver clustering
hypervisor
Terminal Services
RAID
server clustering
the power supplythe video cardthe optical drivethe network interface card
the power supply
the video card
the optical drive
the network interface card
Identify the exact problem.Establish a plan of action.Test the theory to determine cause.Document findings and outcomes.
Identify the exact problem.
Establish a plan of action.
Test the theory to determine cause.
Document findings and outcomes.
DVIDB-15PS/2HDMI
DVI
DB-15
PS/2
HDMI
thermal printerinkjet printerimpact printerpiezoelectric printer
thermal printer
inkjet printer
impact printer
piezoelectric printer
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 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 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 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.
pickup rollerspaper traysprimary coronatransfer rollersfuser assemblysecondary corona
pickup rollers
paper trays
primary corona
transfer rollers
fuser assembly
secondary corona
to allow older PCI technology expansion slots to be usedto provide enhanced audio and graphic capabilitiesto connect multiple storage devices for redundancy or speedto connect peripheral devices to a PC to improve performance
to allow older PCI technology expansion slots to be used
to provide enhanced audio and graphic capabilities
to connect multiple storage devices for redundancy or speed
to connect peripheral devices to a PC to improve performance
TPMdrive encryptionpasswordsTKIP keyMAC filteringfile encryption
TPM
drive encryption
passwords
TKIP key
MAC filtering
file encryption
ISAAGPPCIDIMMPCIe
ISA
AGP
PCI
DIMM
PCIe
Use a moistened cotton swab to remove excess dust.Ignore the dust, as it does not affect the computer.Use a lint-free cloth sprayed with a cleaning solution to remove excess dust.Use a can of compressed air to remove excess dust.
Use a moistened cotton swab to remove excess dust.
Ignore the dust, as it does not affect the computer.
Use a lint-free cloth sprayed with a cleaning solution to remove excess dust.
Use a can of compressed air to remove excess dust.
USB flash driveembedded multimedia cardsolid-state drivesolid-state hybrid disk
USB flash drive
embedded multimedia card
solid-state drive
solid-state hybrid disk
CompactFlash cardSecure Digital cardexternal flash driveexternal hard drive
CompactFlash card
Secure Digital card
external flash drive
external hard drive
DNSDHCPAPIPAICMP
DNS
DHCP
APIPA
ICMP
Task ManagerAdd or Remove ProgramsEvent ViewerSystem Restore
Task Manager
Add or Remove Programs
Event Viewer
System Restore
NTFS supports larger files.NTFS is easier to configure.NTFS allows faster formatting of drives.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 supports larger files.
NTFS is easier to configure.
NTFS allows faster formatting of drives.
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.
Back up user data on a regular basis.Password protect iTunes or Google Play accounts.Use airplane mode if you are accessing the Internet at an open Wi-Fi site.Ensure that the operating system software and applications contain the latest updates.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.
Use airplane mode if you are accessing the Internet at an open Wi-Fi site.
Ensure that the operating system software and applications contain the latest updates.
Unmount all unused disk partitions.
Execute a factory reset once a month to remove all unidentified malicious software.
ITaaSSaaSPaaSIaaS
ITaaS
SaaS
PaaS
IaaS
switchbiometric identification devicescannerdigitizerKVM
switchbiometric identification device
scanner
digitizer
KVM
My ComputerComputer ManagementSystem ToolsDevice Manager
My Computer
Computer Management
System Tools
Device Manager
What happened after the error occurred?What happened before the error occurred?What error messages were displayed when the error occurred?Is this the first time the error occurred?
What happened after the error occurred?
What happened before the error occurred?
What error messages were displayed when the error occurred?
Is this the first time the error occurred?
Text messages, news, photos and other content can be displayed in the different tiles.Icons and buttons are used to represent the different apps on the phone.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.
Text messages, news, photos and other content can be displayed in the different tiles.
Icons and buttons are used to represent the different apps on the phone.
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.
applicationtransportdata linknetwork
application
transport
data link
network
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
Dust can encourage insects and other pests to live in the equipment closets.Dust increases electromagnetic interference in nearby connected cables.Dust diminishes the range of wireless services.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 can encourage insects and other pests to live in the equipment closets.
Dust increases electromagnetic interference in nearby connected cables.
Dust diminishes the range of wireless services.
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.
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.
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.
Ask a fellow technician for advice.Remove the keyboard.Backup the BIOS settings.Consult the service manual for the laptop.
Ask a fellow technician for advice.
Remove the keyboard.
Backup the BIOS settings.
Consult the service manual for the laptop.
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 the driver to be used by the other Windows 7 computers.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.
Nothing. Windows automatically provides the 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.
The person doing the sharing must use the Additional Drivers button in order to designate how many device drivers are allowed to be downloaded.
PS/2 keyboardtouchpadfingerprint readerexternal monitorAC power connectorweb camera
PS/2 keyboard
touchpad
fingerprint reader
external monitor
AC power connector
web camera
Data resources and access are centrally controlled.Data is more secure in the event of hardware failures.Individual users are in control of their own computers and network resources.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.
Data is more secure in the event of hardware failures.
Individual users are in control of their own computers and network resources.
The total cost of the new solution is considerably lower.
Personnel costs are lower because a dedicated network administrator is no longer necessary.
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53
22
443
80
143
uninterruptible power supplysurge suppressorpower inverterstandby power supply
uninterruptible power supply
surge suppressor
power inverter
standby power supply
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.An expiration period should be established so that passwords frequently change.Passwords should be physically stored in a convenient location.
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.
An expiration period should be established so that passwords frequently change.
Passwords should be physically stored in a convenient location.
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.
It is easy to identify the source of the attack.All hosts must be in the same geographic area.Infected computers are called daemons.Many hosts participate in a coordinated attack.
It is easy to identify the source of the attack.
All hosts must be in the same geographic area.
Infected computers are called daemons.
Many hosts participate in a coordinated attack.
storage of digital certificatessupport for Windows Firewallsupport for Windows backupsecurity for user authentication informationapplication license protectionhashed encryption of the hard drive volume
storage of digital certificates
support for Windows Firewall
support for Windows backup
security for user authentication information
application license protection
hashed encryption of the hard drive volume
when replacing a power supply unitwhen installing RAMwhen opening a computer casewhen installing a hard drive
when replacing a power supply unit
when installing RAM
when opening a computer case
when installing a hard drive
an environment variable that is set by the operating systema fixed value that represents the level of access of a user to system filesthe location of the Documents folder of a particular usera variable set by the administrator for each user of the system
an environment variable that is set by the operating system
a fixed value that represents the level of access of a user to system files
the location of the Documents folder of a particular user
a variable set by the administrator for each user of the system
Deja DupDisk UtilityTime MachineFinder
Deja Dup
Disk Utility
Time Machine
Finder
if the device feels warm to the touchif the battery only supports the system for a reduced period of timeif the screen brightness begins to dimif 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
if there are signs of swelling
a description of the problem and solutioneverything that was done to try to solve the problemonly the failed attempts, so that future technicians will know what not to tryonly the solution, because this solved the problem
a description of the problem and solution
everything that was done to try to solve the problem
only the failed attempts, so that future technicians will know what not to try
only the solution, because this solved the problem
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