jdi na vlastní test/obsah stránky
inkjet printerimpact printerthermal printerpiezoelectric printer
inkjet printer
impact printer
thermal printer
piezoelectric printer
IaaSSaaSPaaSITaaS
IaaS
SaaS
PaaS
ITaaS
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 resources and access are centrally controlled.The total cost of the new solution is considerably lower.Data is more secure in the event of hardware failures.
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 resources and access are centrally controlled.
The total cost of the new solution is considerably lower.
Data is more secure in the event of hardware failures.
applicationnetworktransportdata link
application
network
transport
data link
All hosts must be in the same geographic area.Infected computers are called daemons.It is easy to identify the source of the attack.Many hosts participate in a coordinated attack.
All hosts must be in the same geographic area.
Infected computers are called daemons.
It is easy to identify the source of the attack.
Many hosts participate in a coordinated attack.
The computer locks up without any error messages.The computer displays a “BOOTMGR is missing” error after POST.The computer continually restarts without displaying the desktop.The computer displays an “Invalid Boot Disk” error after POST.The computer displays an ‘Inaccessible Boot Device’ error after POST.
The computer locks up without any error messages.
The computer displays a “BOOTMGR is missing” error after POST.
The computer continually restarts without displaying the desktop.
The computer displays an “Invalid Boot Disk” error after POST.
The computer displays an ‘Inaccessible Boot Device’ error after POST.
security for user authentication informationsupport for Windows backupapplication license protectionstorage of digital certificateshashed encryption of the hard drive volumesupport for Windows Firewall
security for user authentication information
support for Windows backup
application license protection
storage of digital certificates
hashed encryption of the hard drive volume
support for Windows Firewall
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 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 humidity and temperature levels are set as low as possible.
Ensure the wireless network is on a different frequency than the offending source.
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.
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.
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?
What error messages were displayed when the error occurred?
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.
LEAPWPAWEPWPA2
LEAP
WPA
WEP
WPA2
Identify the exact problem.Test the theory to determine cause.Establish a plan of action.Document findings and outcomes.
Identify the exact problem.
Test the theory to determine cause.
Establish a plan of action.
Document findings and outcomes.
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.
Remove the keyboard.
Backup the BIOS settings.
Passwords should be physically stored in a convenient location.Lockout policies should be avoided in order to increase user access.The system administrator should assign passwords to the users.Passwords should contain mainly numbers for better encryption.An expiration period should be established so that passwords frequently change.
Passwords should be physically stored in a convenient location.
Lockout policies should be avoided in order to increase user access.
The system administrator should assign passwords to the users.
Passwords should contain mainly numbers for better encryption.
An expiration period should be established so that passwords frequently change.
hypervisorTerminal ServicesRAIDserver clustering
hypervisor
Terminal Services
RAID
server clustering
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.
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.
only the solution, because this solved the problema 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 try
only 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
ipconfig /flushdnsnslookup cisco.comnet cisco.comnbtstat cisco.comping cisco.com
ipconfig /flushdns
nslookup cisco.com
net cisco.com
nbtstat cisco.com
ping cisco.com
the location of the Documents folder of a particular useran environment variable that is set by the operating systema 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
the location of the Documents folder of a particular user
an environment variable that is set by the operating system
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
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
enabling features that are disabled by a cellular carrierimproving device performancenot properly creating or maintaining sandboxing featuresallowing the user interface to be extensively customizedenabling app access to the root directory
enabling features that are disabled by a cellular carrier
improving device performance
not properly creating or maintaining sandboxing features
allowing the user interface to be extensively customized
enabling app access to the root directory
isopropyl alcoholrubbing alcoholsoap and watera diluted ammonia solution
isopropyl alcohol
rubbing alcohol
soap and water
a diluted ammonia solution
DIMMAGPPCIeISAPCI
DIMM
AGP
PCIe
ISA
PCI
to connect peripheral devices to a PC to improve performanceto provide enhanced audio and graphic capabilitiesto connect multiple storage devices for redundancy or speedto allow older PCI technology expansion slots to be used
to connect peripheral devices to a PC to improve performance
to provide enhanced audio and graphic capabilities
to connect multiple storage devices for redundancy or speed
to allow older PCI technology expansion slots to be used
Unpinning an app from this view will uninstall the app from the phone.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.Text messages, news, photos and other content can be displayed in the different tiles.Tile sizes depend on the size of the app.
Unpinning an app from this view will uninstall the app from the phone.
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.
Text messages, news, photos and other content can be displayed in the different tiles.
Tile sizes depend on the size of the app.
uninterruptible power supplysurge suppressorstandby power supplypower inverter
uninterruptible power supply
surge suppressor
standby power supply
power inverter
the network interface cardthe power supplythe optical drivethe video card
the network interface card
the power supply
the optical drive
the video card
Event ViewerSystem RestoreTask ManagerAdd or Remove Programs
Event Viewer
System Restore
Task Manager
Add or Remove Programs
NTFS allows the automatic detection of bad sectors.NTFS supports larger files.NTFS allows faster formatting of drives.NTFS is easier to configure.NTFS provides more security features.NTFS allows faster access to external peripherals such as a USB drive.
NTFS allows the automatic detection of bad sectors.
NTFS supports larger files.
NTFS allows faster formatting of drives.
NTFS is easier to configure.
NTFS provides more security features.
NTFS allows faster access to external peripherals such as a USB drive.
copper cable locationwireless signal strength and access point positioningbasic functionality of computer portsquality of electricity in computer components
copper cable location
wireless signal strength and access point positioning
basic functionality of computer ports
quality of electricity in computer components
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?
Can the laptop operate using the AC adapter?
Have you changed your password recently?
What were you doing when the problem 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 automatically boots into Safe Mode and displays a warning on the screen.The computer returns an error message that indicates the I/O address of the failing device.
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 automatically boots into Safe Mode and displays a warning on the screen.
The computer returns an error message that indicates the I/O address of the failing device.
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 in designing and building common computer systemsto 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 the use of humidity control and prevention of moisture damage
to specify procedures in designing and building common computer systems
to specify procedures for dealing with potentially hazardous materials
Secure Digital cardCompactFlash cardexternal hard driveexternal flash drive
Secure Digital card
CompactFlash card
external hard drive
external flash drive
AC power connectortouchpadfingerprint readerPS/2 keyboardweb cameraexternal monitor
AC power connector
touchpad
fingerprint reader
PS/2 keyboard
web camera
external monitor
when opening a computer casewhen installing RAMwhen replacing a power supply unitwhen installing a hard drive
when opening a computer case
when installing RAM
when replacing a power supply unit
when installing a hard drive
System ToolsMy ComputerComputer ManagementDevice Manager
System Tools
My Computer
Computer Management
Device Manager
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.Create a System Repair Disc and restore the image.Press the F12 key during the boot process and start the computer in Safe Mode.
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.
Create a System Repair Disc and restore the image.
Press the F12 key during the boot process and start the computer in Safe Mode.
Time MachineDisk UtilityDeja DupFinder
Time Machine
Disk Utility
Deja Dup
Finder
HDMIDVIDB-15PS/2
HDMI
DVI
DB-15
PS/2
embedded multimedia cardsolid-state hybrid disksolid-state driveUSB flash drive
embedded multimedia card
solid-state hybrid disk
solid-state drive
USB flash drive
switchbiometric identification devicedigitizerscannerKVM
switchbiometric identification device
digitizer
scanner
KVM
DNSDHCPAPIPAICMP
DNS
DHCP
APIPA
ICMP
The display settings have been changed.The LCD cutoff switch is damaged.Power to the pixels has been removed.The GPU is not cooling correctly.The display is not correctly installed.
The display settings have been changed.
The LCD cutoff switch is damaged.
Power to the pixels has been removed.
The GPU is not cooling correctly.
The display is not correctly installed.
pickup rollerspaper traystransfer rollerssecondary coronafuser assemblyprimary corona
pickup rollers
paper trays
transfer rollers
secondary corona
fuser assembly
primary corona
538044322143
53
80
443
22
143
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.
Back up user data on a regular basis.Unmount all unused disk partitions.Execute a factory reset once a month to remove all unidentified malicious software.Use airplane mode if you are accessing the Internet at an open Wi-Fi site.Password protect iTunes or Google Play accounts.Ensure that the operating system software and applications contain the latest updates.
Back up user data on a regular basis.
Unmount all unused disk partitions.
Execute a factory reset once a month to remove all unidentified malicious software.
Use airplane mode if you are accessing the Internet at an open Wi-Fi site.
Password protect iTunes or Google Play accounts.
Ensure that the operating system software and applications contain the latest updates.
MAC filteringfile encryptiondrive encryptionpasswordsTPMTKIP key
MAC filtering
file encryption
drive encryption
passwords
TPM
TKIP key
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.
The touchscreen is not calibrated.
Dust is considered a fire hazard that poses danger to personnel and equipment.Dust diminishes the range of wireless services.Dust increases electromagnetic interference in nearby connected cables.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 is considered a fire hazard that poses danger to personnel and equipment.
Dust diminishes the range of wireless services.
Dust increases electromagnetic interference in nearby connected cables.
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.
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