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 conserve the battery life by reducing the bus speed between the CPU and RAM
to reduce the heat that the CPU may generate
to ensure the CPU is running at its peak speed
What tool is included in the Mac OS X for backing up disks to image files and recovering disk images?
to enhance the performance of the CPU
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?
Update the driver for the graphics card.
Use the System Restore utility.
Use the recovery partition to reinstall Windows.
Run the programs in Compatibility Mode.
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)
Ensure that the antistatic wrist strap is attached to a nonpainted portion of the laptop.
Ensure that the laptop Bluetooth switch is enabled.
Enable Bluetooth in BIOS Setup.
Disconnect AC power.
Remove the battery.
What is a characteristic of a computer power connector?
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.
An ATX main power connector supplies power to a video adapter.
What is the difference between cloud computing and a data center?
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.
A data center provides access to shared computing resources, wheras a cloud is a private on-premise facility that stores and processes local data.
Which type of network spans a single building or campus and provides services and applications to people within a common organizational structure?
MAN
WAN
LAN
PAN
Why is a full format more beneficial than a quick format when preparing for a clean OS installation?
A full format uses the faster FAT32 file system, whereas a quick format uses the slower NTFS file system.
A full format will delete files from the disk while analyzing the disk drive for errors.
A full format will delete every partition on the hard drive.
A full format is the only method of installing Windows 8.1 on a PC that has an operating system currently installed.
What is the default file system used during a fresh installation of Windows 7?
FAT32
NTFS
FAT16
HPFS
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)
password
FTP server port number
FTP server IP address
FTP client IP address
FTP client port number
username
Which two password control policies should an organization implement to ensure strong passwords? (Choose two.) (vyberte 2)
Passwords must contain encrypted characters.
Passwords should contain no more than eight characters.
Passwords should contain only capital letters.
Passwords should contain letters and numbers.
Passwords should be set to expire every 60 days.
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
Which two operations can help prevent a mobile device from being tracked without permission? (Choose two.) (vyberte 2)
Set the device to not store credentials.
Disable or remove apps that allow connections to the GPS.
Turn off the GPS when not in use.
Use a VPN connection whenever possible.
Set the device to connect only to known WiFi networks.
What factor should be taken into consideration more with laptops than with desktops?
environmental control
loose cables
short circuits
unseated adapter cards
What are three benefits of computer preventive maintenance? (Choose three.) (vyberte 3)
reduction in the number of equipment failures
time savings for technicians making repairs
elimination of the need for repairs
extension of the life of components
improvement in RAM access time
improvement in data protection
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)
Inform the customer of the need to call back later.
Ask the customer further questions to diagnose and attempt to fix the problem.
Escalate the customer to a level two technician.
Document the reason the customer called and create a support ticket.
Place the customer on hold until the customer has time to cool down.
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 default gateway is not set.
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.
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 there are signs of swelling
if the battery only supports the system for a reduced period of time
if the device feels warm to the touch
Which two issues are likely to cause BSOD errors? (Choose two.) (vyberte 2)
device driver errors
out-of-date browser
RAM failing
power supply failure
lack of antivirus software
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 CMOS battery has failed.
The hard drive is failing.
The BIOS is corrupt.
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.
Make the users members of a group called Backup Operators.
Give the users administrator rights on their computers.
Check the Folder is Ready for Archiving box in the properties of each folder.
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)
Ask the customer open-ended questions about the problem
Search helpdesk repair logs for more information.
Disconnect the computer from the network.
Discuss solutions with the customer.
Log in as a different user.
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\WORK2\\installs
\\work1\installs
\\username\Work2\installs
\\username\password/WORK1/installs
// WORK2/installs
\WORK2|installs
Which component uses the greatest amount of power on most mobile devices?
media player
CPU
camera
LCD screen
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?
Replace the hard drive on the computer.
Scan for and remove any virus found.
Use the System Recovery Options to select the correct active partition.
Run chkdsk /F /R to fix the hard drive file entries.
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.
A laser printer is significantly slower than an inkjet printer.
Inkjet printers use plain paper to make economical prints, but laser printers require more expensive thermal paper.
Inkjet printers are less expensive as an initial purchase than laser printers.
The laser printer output is dry after printing, but an inkjet printer may still have wet ink on the paper after printing.
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 sensitive data was transferred with the FTP protocol.
Encrypted files cannot be transferred across a network.
The new computer doesn’t have an NTFS partition.
The network proxy decrypted the data to scan it for malware.
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)
Avoid lifting the equipment using the strength in your back.
Avoid bending your knees when lifting the printer.
Lift the equipment using the strength in your legs and knees.
Bend your back to pick the printer up.
Avoid lifting the printer close to your body.
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?
Windows Update
EFS
BitLocker
TPM
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)
Reinsert the laptop battery.
Reconfigure TCP/IP settings on the laptop.
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.
Verify in the laptop software whether any wireless networks are detected.
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 has an incorrect IP address.
The printer does not have enough memory.
The printer toner is low.
The printer drum is damaged.
Which expansion card can assist in troubleshooting a computer problem when no video is available?
POST card
USB expansion card
advanced graphics card
BIOS card
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?
System Registry
Administrative Tools
Command Prompt
BIOS
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 widget is corrupt.
The widget is associated with the app and this is the normal behavior.
The security settings of the Android OS have been compromised.
The user has downloaded a virus.
What is the first step an administrator should take when splitting a single partition into multiple partitions?
Assign a drive letter to the partition.
Extend the partition.
Format the partition.
Shrink the partition.
What are the four layers in the TCP/IP reference model?
application, presentation, session, transport
application, transport, internet, network access
physical, data link, network, transport
application, presentation, internet, network access
application, transport, network, data link
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?
failure of DNS to resolve names to IP addresses
hardware failure of the ISR used to connect the customer to the ISP
improper IP address configuration on the host
bad cables or connections at the customer site
What is a characteristic of the open source license of an application software?
It cannot be used for campus-wide deployment.
It does not require purchase in order to use the software.
It requires registration instead of purchasing.
It requires acknowledged completion of a professional training course prior to use.
It allows users to modify and share the source code.
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 the technician cannot understand the problem as explained by the customer
when a customer demands talking to a particular technician
What laptop component converts DC power to AC so that the display can illuminate?
backlight
battery
CCFL
motherboard
inverter
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, 4, 3
Steps 1, 3, 2
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?
Tell the customer to install 2 GB of DDR3 PC3-10600 RAM.
Confirm the issues and give detailed instructions to solve the problem.
Explain that the original technician is no good and the supervisor will be told.
Suggest that the customer purchase a new computer.
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
documentation of the problem and its solution
preparation of a plan of action
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 remotely lock the email account if the device is stolen
to encrypt the email messages
After a Windows operating system has been installed, which program would a technician use to select the programs that will run at startup?
Task Manager
Msconfig
Regedit
Ntldr
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 number of wireless NICs exceeds the number of wireless phones.
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.
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?
Disk Management
Device Manager
Event Viewer
Task Manager
For cleaning a laser printer, what should be used to pick up excess particles of toner?
isopropyl alcohol
a HEPA-capable vacuum
a lint-free cloth
a damp cloth
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 off
Deny all
Unblock
Ask me later
Keep blocking
Turn on
What expectation is defined in the service level agreement between an organization and service vendor?
communication etiquette rules
chain of custody procedures
maximum number of service calls per day
guaranteed service response time
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
microwave
ISDN
cellular
Which two PC settings can be configured using the BIOS setup utility? (Choose two.) (vyberte 2)
POST
boot sequence
allocation of memory to applications
virtualization support
enabling device drivers
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)
Run Windows Startup Repair.
Reinstall the correct drivers.
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.

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