Ite Final Exam Part2

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test Ite Final Exam Part2 (Hardware)(nezveřejněné)

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

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Why do laptop computers use CPU throttling techniques?
to ensure the CPU is running at its peak speed
to enhance the performance of the CPU
to reduce the heat that the CPU may generate
What tool is included in the Mac OS X for backing up disks to image files and recovering disk images?
to conserve the battery life by reducing the bus speed between the CPU and RAM
Which two issues are likely to cause BSOD errors? (Choose two.) (vyberte 2)
RAM failing
device driver errors
power supply failure
out-of-date browser
lack of antivirus software
What is the difference between cloud computing and a data center?
A data center provides access to shared computing resources, wheras a cloud is a private on-premise facility that stores and processes local data.
The data center makes use of more devices to process data.
Cloud computing solutions are network resources and services provided to the clients through the use of services from data centers.
Data centers require cloud computing but cloud computing does not require data centers.
What is the purpose of using the MIME email protocol on mobile devices?
to enable pictures and documents to be included in email messages
to re-synchronize the email account with other devices
to encrypt the email messages
to remotely lock the email account if the device is stolen
The activity of a previously unknown program triggers an alert by Windows firewall. What three options will the user have for dealing with this event? (Choose three.) (vyberte 3)
Turn on
Ask me later
Unblock
Turn off
Keep blocking
Deny all
What can help control the effect of RFI on a wireless LAN?
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 number of wireless NICs exceeds the number of wireless phones.
Ensure the humidity and temperature levels are set as low as possible.
When a user tries to run a program, a missing or corrupt DLL message is displayed. What are two possible solutions to this problem? (Choose two.) (vyberte 2)
Reinstall the correct drivers.
Run Windows Startup Repair.
Use the msconfig command to adjust the startup settings for the program.
Run sfc/scannow in Safe Mode.
Reinstall the program that is associated with the corrupt DLL file.
Which expansion card can assist in troubleshooting a computer problem when no video is available?
USB expansion card
advanced graphics card
BIOS card
POST card
In which circumstance should a level one technician initiate an escalated work order?
when a customer appears to be very knowledgeable
when a problem requires expertise from another technician
when a customer demands talking to a particular technician
when the technician cannot understand the problem as explained by the customer
A user complains about being unable to connect to the wireless network. Which two actions should be part of troubleshooting the wireless connection? (Choose two.) (vyberte 2)
Reconfigure TCP/IP settings on the laptop.
Reinsert the laptop battery.
Verify in the laptop software whether any wireless networks are detected.
Verify that the laptop is plugged into an electrical outlet.
Try moving the laptop to different places to see if a signal can be detected.
A technician is explaining the differences between inkjet printers and laser printers to a customer. Which two comparisons should the technician make? (Choose two.) (vyberte 2)
Both laser and inkjet printers produce poor quality images.
The laser printer output is dry after printing, but an inkjet printer may still have wet ink on the paper after printing.
A laser printer is significantly slower than an inkjet printer.
Inkjet printers are less expensive as an initial purchase than laser printers.
Inkjet printers use plain paper to make economical prints, but laser printers require more expensive thermal paper.
A customer who travels frequently wants to know which technology is the most suitable for being connected to the corporate network at all times at low cost. Which network technology would a network administrator recommend?
satellite
cellular
ISDN
microwave
A user wants to map a network drive on a PC that is named “WORK2” and runs Windows 7. The name of the shared resource the user wishes to map to is called “installs” and is located on a workstation called “WORK1”. What would be the correct path for mapping the network drive?
\\username\password/WORK1/installs
\\work1\installs
\\ username\WORK2\\installs
\WORK2|installs
// WORK2/installs
\\username\Work2\installs
Which step in the troubleshooting process is important to help avoid repeating repair processes that were performed previously?
identification of the problem
implementation of the solution
preparation of a plan of action
documentation of the problem and its solution
A user has installed a new FTP client on a computer, but is unsuccessful in connecting to an FTP server. Which two key pieces of information should the user ensure are configured correctly on the FTP client? (Choose two.) (vyberte 2)
FTP client port number
password
FTP client IP address
FTP server IP address
FTP server port number
username
What is the first step an administrator should take when splitting a single partition into multiple partitions?
Shrink the partition.
Extend the partition.
Format the partition.
Assign a drive letter to the partition.
An ISP help desk technician receives a call from a customer who reports that no one at their business can reach any websites or get their e-mail. After testing the communication line and finding everything fine, the technician instructs the customer to run nslookup from the command prompt. What does the technician suspect is causing the customer’s problem?
bad cables or connections at the customer site
hardware failure of the ISR used to connect the customer to the ISP
improper IP address configuration on the host
failure of DNS to resolve names to IP addresses
A technician wants to allow users to backup and restore all the files on their computers, but does not want the users to be able to make changes to the system. How should the technician give users this functionality?
Grant the users read permissions on all files.
Give the users administrator rights on their computers.
Check the Folder is Ready for Archiving box in the properties of each folder.
Make the users members of a group called Backup Operators.
What tool is included in the Mac OS X for backing up disks to image files and recovering disk images?
Disk Error-Checking
System Restore
Deja Dup
Disk Utility
A technician who is working on an employee’s laptop finds that a number of files that were encrypted on a network server drive are present on the laptop drive in unencrypted form. What could cause this problem?
The new computer doesn’t have an NTFS partition.
The network proxy decrypted the data to scan it for malware.
The sensitive data was transferred with the FTP protocol.
Encrypted files cannot be transferred across a network.
A user notices that some of the programs that are installed before upgrading Windows to a new version no longer function properly after the upgrade. What can the user do to fix this problem?
Run the programs in Compatibility Mode.
Use the System Restore utility.
Use the recovery partition to reinstall Windows.
Update the driver for the graphics card.
What are three benefits of computer preventive maintenance? (Choose three.) (vyberte 3)
elimination of the need for repairs
improvement in RAM access time
improvement in data protection
time savings for technicians making repairs
extension of the life of components
reduction in the number of equipment failures
What factor should be taken into consideration more with laptops than with desktops?
short circuits
loose cables
unseated adapter cards
environmental control
For cleaning a laser printer, what should be used to pick up excess particles of toner?
a HEPA-capable vacuum
a lint-free cloth
a damp cloth
isopropyl alcohol
Which type of network spans a single building or campus and provides services and applications to people within a common organizational structure?
PAN
WAN
MAN
LAN
Refer to the exhibit. As part of the process of building a computer, what is the proper order of the first three steps in the installation of a power supply?
Steps 1, 2, 4
Steps 2, 3, 4
Steps 1, 3, 2
Steps 1, 4, 3
Which component uses the greatest amount of power on most mobile devices?
media player
camera
CPU
LCD screen
Which two operations can help prevent a mobile device from being tracked without permission? (Choose two.) (vyberte 2)
Turn off the GPS when not in use.
Disable or remove apps that allow connections to the GPS.
Use a VPN connection whenever possible.
Set the device to not store credentials.
Set the device to connect only to known WiFi networks.
What are the four layers in the TCP/IP reference model?
application, transport, internet, network access
application, presentation, session, transport
application, presentation, internet, network access
physical, data link, network, transport
application, transport, network, data link
A call center technician answers a call from a frequent customer who is known to be impatient and lacks experience with computers. The customer has an issue with an application that the call center supports. The customer informs the technician that the problem had been reported before but the original technician was rude, did not listen, and did not fix the problem. If the technician is confident that the problem can be resolved by increasing the amount of memory in the computer, what should the technician do?
Explain that the original technician is no good and the supervisor will be told.
Suggest that the customer purchase a new computer.
Confirm the issues and give detailed instructions to solve the problem.
Tell the customer to install 2 GB of DDR3 PC3-10600 RAM.
Chad, a level one call center technician, receives a customer phone call. The customer has an issue that Chad does not have the knowledge to answer. The customer is irritated that Chad cannot provide immediate assistance. Which two things should Chad do next? (Choose two.) (vyberte 2)
Escalate the customer to a level two technician.
Inform the customer of the need to call back later.
Ask the customer further questions to diagnose and attempt to fix the problem.
Document the reason the customer called and create a support ticket.
Place the customer on hold until the customer has time to cool down.
What is a characteristic of a computer power connector?
An ATX main power connector supplies power to a video adapter.
A Molex power connector supplies power to a motherboard.
A SATA power connector is used to connect to a hard disk drive or an optical drive.
A Molex connector and a SATA connector can be used on the same drive at the same time.
After a Windows operating system has been installed, which program would a technician use to select the programs that will run at startup?
Ntldr
Regedit
Task Manager
Msconfig
A technician installed a network adapter in a computer and wants to test network connectivity. The ping command can only receive a response from local workstations. What could be causing the problem?
The NIC driver is out of date.
The operating system is not compatible with the remote sites.
The TCP/IP protocol stack is not loaded.
The default gateway is not set.
A computer technician has been asked to secure all Windows 7 computers by encrypting all the data on each computer. Which Windows feature should be used to provide this level of encryption?
BitLocker
Windows Update
TPM
EFS
A new technician has joined the IT team and is about to service a heavy printer. Which two precautions should be taken to avoid any injury when transporting the heavy printer to the service area? (Choose two.) (vyberte 2)
Bend your back to pick the printer up.
Avoid bending your knees when lifting the printer.
Avoid lifting the equipment using the strength in your back.
Avoid lifting the printer close to your body.
Lift the equipment using the strength in your legs and knees.
A technician suspects that a security issue is causing problems with a computer. What two actions could be performed to test theories of probable cause when troubleshooting the PC? (Choose two.) (vyberte 2)
Search helpdesk repair logs for more information.
Discuss solutions with the customer.
Disconnect the computer from the network.
Log in as a different user.
Ask the customer open-ended questions about the problem
What is the default file system used during a fresh installation of Windows 7?
FAT16
HPFS
NTFS
FAT32
Why is a full format more beneficial than a quick format when preparing for a clean OS installation?
A full format will delete every partition on the hard drive.
A full format will delete files from the disk while analyzing the disk drive for errors.
A full format uses the faster FAT32 file system, whereas a quick format uses the slower NTFS file system.
A full format is the only method of installing Windows 8.1 on a PC that has an operating system currently installed.
A technician is troubleshooting a Windows 7 computer that displays an “Invalid Boot Disk” error message. What would be the most likely action the technician should perform to correct the issue?
Run chkdsk /F /R to fix the hard drive file entries.
Use the System Recovery Options to select the correct active partition.
Scan for and remove any virus found.
Replace the hard drive on the computer.
Which two password control policies should an organization implement to ensure strong passwords? (Choose two.) (vyberte 2)
Passwords should be set to expire every 60 days.
Passwords should contain only capital letters.
Passwords must contain encrypted characters.
Passwords should contain no more than eight characters.
Passwords should contain letters and numbers.
What is an indication that the battery in a mobile device could become physically hazardous and should be immediately replaced?
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
if the device feels warm to the touch
A technician needs to configure a Bluetooth headset for a laptop user. Which two steps should the technician take before installing the headset? (Choose two.) (vyberte 2)
Enable Bluetooth in BIOS Setup.
Disconnect AC power.
Ensure that the laptop Bluetooth switch is enabled.
Remove the battery.
Ensure that the antistatic wrist strap is attached to a nonpainted portion of the laptop.
A computer user complains of a computer that freezes up after about five minutes of use. The technician checks the computer BIOS to see if there might be a configuration problem that is causing the computer to behave consistently in this manner. While the technician is reviewing the information, the computer once again freezes. What is the probable cause of the computer problem?
The CPU fan is not functioning.
The BIOS is corrupt.
The CMOS battery has failed.
The hard drive is failing.
An application appears frozen and is not responding to a mouse or the keyboard. What Windows OS tool can be used to stop the application?
Device Manager
Task Manager
Disk Management
Event Viewer
What laptop component converts DC power to AC so that the display can illuminate?
inverter
backlight
CCFL
battery
motherboard
Which two PC settings can be configured using the BIOS setup utility? (Choose two.) (vyberte 2)
enabling device drivers
allocation of memory to applications
POST
virtualization support
boot sequence
What is a characteristic of the open source license of an application software?
It requires acknowledged completion of a professional training course prior to use.
It cannot be used for campus-wide deployment.
It requires registration instead of purchasing.
It does not require purchase in order to use the software.
It allows users to modify and share the source code.
A technician is asked to configure the time that the system must be idle before the hard disk spins down on all the Windows-based laptops in the company. The technician configured the power options in Windows but it appears to have no effect. Where should the technician look to enable power management?
Administrative Tools
BIOS
Command Prompt
System Registry
Safe mode
A user downloads a widget onto his Android phone but is puzzled to see that when the widget is touched an app is launched. What is a possible cause?
The user has downloaded a virus.
The security settings of the Android OS have been compromised.
The widget is associated with the app and this is the normal behavior.
The widget is corrupt.
Users in an office complain that the network printer is printing vertical lines on all pages. What is a likely cause of this problem?
The printer does not have enough memory.
The printer has an incorrect IP address.
The printer drum is damaged.
The printer toner is low.
What expectation is defined in the service level agreement between an organization and service vendor?
guaranteed service response time
maximum number of service calls per day
chain of custody procedures
communication etiquette rules

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