Ite Final Exam Part1

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test Ite Final Exam Part1 (Hardware)(nezveřejněné)

Autor: krystofoxik (5vlož. 80vyzk.+2%ø) ... vloženo 17.6.2018

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A network administrator occasionally asks a technician to make sure that dust does not accumulate on devices in the network equipment closets. What is the purpose of having the technician do this job?
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.
What type of external storage should be used by a technician to back up over 2 TB of music and video data files?
Secure Digital card
external hard drive
CompactFlash card
external flash drive
Which closed-ended question would be appropriate for a technician to use to narrow down the possible problems on a laptop that will not power on?
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?
Which technology provides a solution for PC virtualization?
Terminal Services
hypervisor
RAID
server clustering
Which measure can help control RFI effects on wireless networks?
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.
A technician has installed a new sound card in a PC but it is not operating correctly. Where should the technician look to investigate driver problems?
My Computer
Device Manager
Computer Management
System Tools
A tire store needs to use carbon copy paper to print customer invoices so that both the store and the customer have a copy. What is the best printer solution?
impact printer
inkjet printer
thermal printer
piezoelectric printer
A technician opens up a PC to work on it, and finds that it is very dusty inside. What should the technician do?
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.
Refer to the exhibit. What is true of this mobile device screen?
Tile sizes depend on the size of the app.
Unpinning an app from this view will uninstall the app from 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.
Icons and buttons are used to represent the different apps on the phone.
A user on a home network wants to share a printer from a Windows 7 computer. What must the user do in order for other Windows 7 computers in the house to obtain the proper driver?
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.
What can be tested with a digital multimeter?
copper cable location
wireless signal strength and access point positioning
basic functionality of computer ports
quality of electricity in computer components
Which built-in tool is available on a Mac OS X machine to perform disk backups?
Deja Dup
Disk Utility
Time Machine
Finder
A technician is troubleshooting the appearance of flashing lines on a laptop screen. What are two possible causes of this distortion? (Choose two.) (vyberte 2)
The display settings have been changed.
The GPU is not cooling correctly.
The LCD cutoff switch is damaged.
Power to the pixels has been removed.
The display is not correctly installed.
What type of device provides power to a computer and allows it to be safely shut down in the event of a power loss?
standby power supply
uninterruptible power supply
surge suppressor
power inverter
A computer technician has decided that a problem with a laptop can be solved by repairing a hardware component. What should be done first before attempting to repair a hardware component on a laptop?
Remove the keyboard.
Backup the BIOS settings.
Consult the service manual for the laptop.
Ask a fellow technician for advice.
What are three features provided by the TPM module? (Choose three.) (vyberte 3)
application license protection
support for Windows backup
hashed encryption of the hard drive volume
support for Windows Firewall
storage of digital certificates
security for user authentication information
Which two types of expansion slots would be used by a wireless NIC in a computer today? (Choose two.) (vyberte 2)
DIMM
ISA
AGP
PCI
PCIe
Several messages sent to the network administrator are reporting that access to a secure server using HTTPS is failing. After checking recent updates to the company firewall, the administrator learns that the firewall is blocking HTTPS. Which port should be opened to solve the problem?
53
143
80
22
443
What are two consequences of setting an incorrect boot order in the system BIOS? (Choose two.) (vyberte 2)
The computer displays an ‘Inaccessible Boot Device’ error after POST.
The computer displays a “BOOTMGR is missing” 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.
A computer technician performed a number of actions to correct a problem. Some actions did not solve the problem, but eventually a solution was found. What should be documented?
everything that was done to try to solve the problem
only the solution, because this solved the problem
only the failed attempts, so that future technicians will know what not to try
a description of the problem and solution
Which layer of the OSI model is responsible for physical addressing and the procedures used to access media?
transport
data link
network
application
Which three components are typically found in laser printer maintenance kits? (Choose three.) (vyberte 3)
fuser assembly
paper trays
pickup rollers
primary corona
transfer rollers
secondary corona
What does %USERPROFILE% represent in the path C:\Users\%USERPROFILE%\AppData\Local\Temp?
an environment variable that is set by the operating system
a variable set by the administrator for each user of the system
the location of the Documents folder of a particular user
a fixed value that represents the level of access of a user to system files
What type of hard drive contains flash memory for caching frequently used data but stores the most of the data on a magnetic hard disk drive?
solid-state hybrid disk
USB flash drive
embedded multimedia card
solid-state drive
Which type of input device can identify users based on their voice?
KVM
switchbiometric identification device
scanner
digitizer
After a computer is powered on, Windows 7 fails to start. What initial procedure would a technician use to deal with this failure?
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.
Boot from a Windows 7 installation media and access the System Restore utility.
Create a System Repair Disc and restore the image.
Once a technician understands a customer complaint, it is common to ask closed-ended questions. Which question is a close-ended one?
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 technician is troubleshooting a computer that is experiencing hardware failure detected by the BIOS. What is one way this failure is indicated?
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.
A network administrator has finished migrating from a peer-to-peer network to a new client-server network configuration. What are two advantages of the new configuration? (Choose two.) (vyberte 2)
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.
Which three features can be configured in the BIOS settings to secure a computer? (Choose three.) (vyberte 3)
passwords
MAC filtering
drive encryption
TKIP key
file encryption
TPM
A technician notices that an application is not responding to commands and that the computer seems to respond slowly when applications are opened. What is the best administrative tool to force the release of system resources from the unresponsive application?
System Restore
Add or Remove Programs
Task Manager
Event Viewer
Which type of interface should a customer choose if connecting a single cable from a Microsoft Windows computer to output both audio and video to a high definition television?
DB-15
PS/2
DVI
HDMI
What are three common input devices found on laptops? (Choose three.) (vyberte 3)
web camera
external monitor
AC power connector
PS/2 keyboard
touchpad
fingerprint reader
What characterizes a DDoS 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.
Which wireless security mode supports government grade security and offers both personal and enterprise authentication?
LEAP
WEP
WPA
WPA2
Which solution should be used to clean a CPU and a heat sink?
soap and water
a diluted ammonia solution
isopropyl alcohol
rubbing alcohol
When a PC is being assembled, what component is connected to the motherboard with a SATA cable?
the network interface card
the optical drive
the video card
the power supply
Which Cloud computing service would be best for an organization that needs to collaboratively create applications and deliver them over the web?
PaaS
IaaS
ITaaS
SaaS
What are two potential risks that could result from rooting or jailbreaking a mobile device? (Choose two.) (vyberte 2)
improving device performance
allowing the user interface to be extensively customized
enabling features that are disabled by a cellular carrier
enabling app access to the root directory
not properly creating or maintaining sandboxing features
What is the purpose of RAID adapters?
to allow older PCI technology expansion slots to be used
to connect peripheral devices to a PC to improve performance
to connect multiple storage devices for redundancy or speed
to provide enhanced audio and graphic capabilities
What two tasks should be done regularly to preserve the security and integrity of data and applications on mobile devices. (Choose two.) (vyberte 2)
Unmount all unused disk partitions.
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.
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.
What is the most important reason for a company to ensure that computer preventive maintenance is done?
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.
What is the next troubleshooting step after a theory of probable cause has been established?
Document findings and outcomes.
Establish a plan of action.
Test the theory to determine cause.
Identify the exact problem.
The current IP configuration of a medium size company with several subnets is done manually and is time-consuming. Because of increased network growth, a technician needs a simpler way for IP configuration of workstations. Which service or protocol would simplify the workstation IP configuration task?
APIPA
DHCP
ICMP
DNS
Which two commands could be used to check if DNS name resolution is working properly on a Windows PC? (Choose two.) (vyberte 2)
nslookup cisco.com
ipconfig /flushdns
net cisco.com
ping cisco.com
nbtstat cisco.com
What is an indication that the battery in a mobile device could become physically hazardous and should be immediately replaced?
if the screen brightness begins to dim
if the device feels warm to the touch
if the battery only supports the system for a reduced period of time
if there are signs of swelling
What are two advantages of the NTFS file system compared with FAT32? (Choose two.) (vyberte 2)
NTFS supports larger files.
NTFS provides more security features.
NTFS is easier to configure.
NTFS allows faster formatting of drives.
NTFS allows the automatic detection of bad sectors.
NTFS allows faster access to external peripherals such as a USB drive.
A technician installed a network adapter in a computer and wants to test network connectivity. The ping command can receive responses from workstations on the same subnet but not from remote workstations. What could be causing the problem?
The operating system is not compatible with the remote sites.
The TCP/IP protocol stack is not loaded.
The NIC driver is out of date.
The default gateway is incorrect.
When should a technician avoid wearing an antistatic wrist strap?
when opening a computer case
when installing RAM
when installing a hard drive
when replacing a power supply unit
What is the purpose of a Safety Data Sheet?
to 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 the operation of sensitive components and prevention of electrostatic discharge
to specify procedures for dealing with potentially hazardous materials
What guideline should be followed when establishing a password security policy?
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.
Lockout policies should be avoided in order to increase user access.
Passwords should be physically stored in a convenient location.
A user calls the help desk to report that a mobile device exhibits very slow performance. What could cause this problem?
The touchscreen is not calibrated.
The operating system has encountered an error.
An app is not compatible with the device.
A power-intensive app is running at the background.

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