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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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 CMOS battery has failed.
The BIOS is corrupt.
The hard drive is failing.
The CPU fan is not functioning.
What can help control the effect of RFI on a wireless LAN?
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.
Ensure each wireless NIC is configured to operate at different frequencies from all other wireless NICs.
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 toner is low.
The printer has an incorrect IP address.
The printer does not have enough memory.
The printer drum is damaged.
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 IP address
FTP client port number
FTP server port number
username
FTP client IP address
What are the four layers in the TCP/IP reference model?
application, presentation, session, transport
application, transport, internet, network access
application, presentation, internet, network access
application, transport, network, data link
physical, data link, network, transport
Which component uses the greatest amount of power on most mobile devices?
camera
LCD screen
media player
CPU
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?
hardware failure of the ISR used to connect the customer to the ISP
failure of DNS to resolve names to IP addresses
improper IP address configuration on the host
bad cables or connections at the customer site
Which type of network spans a single building or campus and provides services and applications to people within a common organizational structure?
PAN
MAN
LAN
WAN
For cleaning a laser printer, what should be used to pick up excess particles of toner?
a HEPA-capable vacuum
a damp cloth
a lint-free cloth
isopropyl alcohol
Which two password control policies should an organization implement to ensure strong passwords? (Choose two.) (vyberte 2)
Passwords should contain only capital letters.
Passwords should be set to expire every 60 days.
Passwords should contain no more than eight characters.
Passwords should contain letters and numbers.
Passwords must contain encrypted characters.
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)
Place the customer on hold until the customer has time to cool down.
Document the reason the customer called and create a support ticket.
Inform the customer of the need to call back later.
Escalate the customer to a level two technician.
Ask the customer further questions to diagnose and attempt to fix the problem.
Why do laptop computers use CPU throttling techniques?
to conserve the battery life by reducing the bus speed between the CPU and RAM
to ensure the CPU is running at its peak speed
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 enhance the performance of the CPU
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)
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.
Reconfigure TCP/IP settings on the laptop.
Verify that the laptop is plugged into an electrical outlet.
Reinsert the laptop battery.
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)
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.
Both laser and inkjet printers produce poor quality images.
What factor should be taken into consideration more with laptops than with desktops?
unseated adapter cards
short circuits
loose cables
environmental control
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?
Task Manager
Event Viewer
Device Manager
Disk Management
What expectation is defined in the service level agreement between an organization and service vendor?
communication etiquette rules
guaranteed service response time
maximum number of service calls per day
chain of custody procedures
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?
Use the System Recovery Options to select the correct active partition.
Replace the hard drive on the computer.
Run chkdsk /F /R to fix the hard drive file entries.
Scan for and remove any virus found.
Why is a full format more beneficial than a quick format when preparing for a clean OS installation?
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.
A full format uses the faster FAT32 file system, whereas a quick format uses the slower NTFS file system.
What is a characteristic of the open source license of an application software?
It requires registration instead of purchasing.
It allows users to modify and share the source code.
It requires acknowledged completion of a professional training course prior to use.
It cannot be used for campus-wide deployment.
It does not require purchase in order to use the software.
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
Command Prompt
Safe mode
BIOS
Administrative Tools
After a Windows operating system has been installed, which program would a technician use to select the programs that will run at startup?
Msconfig
Task Manager
Ntldr
Regedit
Which step in the troubleshooting process is important to help avoid repeating repair processes that were performed previously?
preparation of a plan of action
identification of the problem
documentation of the problem and its solution
implementation of the solution
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)
Remove the battery.
Disconnect AC power.
Enable Bluetooth in BIOS Setup.
Ensure that the laptop Bluetooth switch is enabled.
Ensure that the antistatic wrist strap is attached to a nonpainted portion of the laptop.
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.
Update the driver for the graphics card.
Use the recovery partition to reinstall Windows.
Use the System Restore utility.
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
Deny all
Ask me later
Unblock
Keep blocking
Turn off
What is the default file system used during a fresh installation of Windows 7?
NTFS
HPFS
FAT16
FAT32
Which two operations can help prevent a mobile device from being tracked without permission? (Choose two.) (vyberte 2)
Disable or remove apps that allow connections to the GPS.
Set the device to not store credentials.
Turn off the GPS when not in use.
Set the device to connect only to known WiFi networks.
Use a VPN connection whenever possible.
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 associated with the app and this is the normal behavior.
The user has downloaded a virus.
The widget is corrupt.
The security settings of the Android OS have been compromised.
What is the purpose of using the MIME email protocol on mobile devices?
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
to enable pictures and documents to be included in email messages
In which circumstance should a level one technician initiate an escalated work order?
when the technician cannot understand the problem as explained by the customer
when a customer appears to be very knowledgeable
when a customer demands talking to a particular technician
when a problem requires expertise from another technician
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.
Bend your back to pick the printer up.
Lift the equipment using the strength in your legs and knees.
Avoid bending your knees when lifting the printer.
Avoid lifting the printer close to your body.
What are three benefits of computer preventive maintenance? (Choose three.) (vyberte 3)
time savings for technicians making repairs
elimination of the need for repairs
extension of the life of components
improvement in data protection
reduction in the number of equipment failures
improvement in RAM access time
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?
Suggest that the customer purchase a new computer.
Explain that the original technician is no good and the supervisor will be told.
Tell the customer to install 2 GB of DDR3 PC3-10600 RAM.
Confirm the issues and give detailed instructions to solve the problem.
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.
Ask the customer open-ended questions about the problem
Disconnect the computer from the network.
Log in as a different user.
Discuss solutions with the customer.
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?
ISDN
microwave
cellular
satellite
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.
Check the Folder is Ready for Archiving box in the properties of each folder.
Make the users members of a group called Backup Operators.
Give the users administrator rights on their computers.
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?
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.
The sensitive data was transferred with the FTP protocol.
Which two issues are likely to cause BSOD errors? (Choose two.) (vyberte 2)
out-of-date browser
RAM failing
device driver errors
power supply failure
lack of antivirus software
What laptop component converts DC power to AC so that the display can illuminate?
CCFL
inverter
backlight
battery
motherboard
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
What tool is included in the Mac OS X for backing up disks to image files and recovering disk images?
Disk Utility
System Restore
Deja Dup
Disk Error-Checking
Which two PC settings can be configured using the BIOS setup utility? (Choose two.) (vyberte 2)
allocation of memory to applications
enabling device drivers
virtualization support
boot sequence
POST
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
\\ username\WORK2\\installs
\WORK2|installs
\\work1\installs
// WORK2/installs
\\username\password/WORK1/installs
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 Molex connector and a SATA connector can be used on the same drive at the same time.
A SATA power connector is used to connect to a hard disk drive or an optical drive.
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.
Reinstall the program that is associated with the corrupt DLL file.
Run Windows Startup Repair.
Use the msconfig command to adjust the startup settings for the program.
Run sfc/scannow in Safe Mode.
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, 3, 2
Steps 1, 2, 4
Steps 1, 4, 3
Steps 2, 3, 4
What is the difference between cloud computing and a data center?
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.
Cloud computing solutions are network resources and services provided to the clients through the use of services from data centers.
The data center makes use of more devices to process data.
What is the first step an administrator should take when splitting a single partition into multiple partitions?
Format the partition.
Extend the partition.
Assign a drive letter to the partition.
Shrink the partition.
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?
EFS
BitLocker
TPM
Windows Update
Which expansion card can assist in troubleshooting a computer problem when no video is available?
USB expansion card
advanced graphics card
POST card
BIOS card
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 TCP/IP protocol stack is not loaded.
The operating system is not compatible with the remote sites.
The default gateway is not set.
The NIC driver is out of date.

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