IT Essentials Final Exam Online Form A v6.0

1. Question

1 points

Why do laptop computers use CPU throttling techniques?

to enhance the performance of the CPU
to reduce the heat that the CPU may generate
to ensure the CPU is running at its peak speed
to conserve the battery life by reducing the bus speed between the CPU and RAM

2. Question

1 points

What is the purpose of RAID adapters?

to allow older PCI technology expansion slots to be used
to provide enhanced audio and graphic capabilities
to connect multiple storage devices for redundancy or speed
to connect peripheral devices to a PC to improve performance

3. Question

1 points

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?

DVI
HDMI
PS/2
DB-15

4. Question

1 points

What tool is included in the Mac OS X for backing up disks to image files and recovering disk images?

Disk Utility
Deja Dup
Disk Error-Checking
System Restore

5. Question

2 points

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.)

Avoid lifting the equipment using the strength in your back.
Lift the equipment using the strength in your legs and knees.
Avoid bending your knees when lifting the printer.
Bend your back to pick the printer up.
Avoid lifting the printer close to your body.

6. Question

1 points

What type of device provides power to a computer and allows it to be safely shut down in the event of a power loss?

surge suppressor
uninterruptible power supply
standby power supply
power inverter

7. Question

1 points

Which measure can help control RFI effects on wireless networks?

Ensure the humidity and temperature levels are set as low as possible.
Ensure the number of wireless NICs exceeds the number of wireless phones.
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.

8. Question

1 points

What can be tested with a digital multimeter?

wireless signal strength and access point positioning
basic functionality of computer ports
copper cable location
quality of electricity in computer components

9. Question

1 points

When should a technician avoid wearing an antistatic wrist strap?

when installing RAM
when replacing a power supply unit
when installing a hard drive
when opening a computer case

10. Question

1 points

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?

IT Essentials Final Exam Answers Form A v6.0 2018 100% 01

Steps 1, 2, 4
Steps 1, 3, 2
Steps 1, 4, 3
Steps 2, 3, 4

11. Question

2 points

Which two operations can help prevent a mobile device from being tracked without permission? (Choose two.)

Turn off the GPS when not in use.
Use a VPN connection whenever possible.
Set the device to not store credentials.
Set the device to connect only to known WiFi networks.
Disable or remove apps that allow connections to the GPS.

12. Question

1 points

What is a characteristic of a computer power connector?

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.
An ATX main power connector supplies power to a video adapter.

13. Question

1 points

Which expansion card can assist in troubleshooting a computer problem when no video is available?

BIOS card
advanced graphics card
USB expansion card
POST card

14. Question

2 points

Which two PC settings can be configured using the BIOS setup utility? (Choose two.)

POST
virtualization support
allocation of memory to applications
enabling device drivers
boot sequence

15. Question

1 points

What factor should be taken into consideration more with laptops than with desktops?

environmental control
loose cables
short circuits
unseated adapter cards

16. Question

3 points

What are three benefits of computer preventive maintenance? (Choose three.)

elimination of the need for repairs
improvement in data protection
extension of the life of components
reduction in the number of equipment failures
time savings for technicians making repairs
improvement in RAM access time

17. Question

1 points

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

18. Question

1 points

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 BIOS is corrupt.
The hard drive is failing.
The CPU fan is not functioning.
The CMOS battery has failed.

19. Question

1 points

Why is a full format more beneficial than a quick format when preparing for a clean OS installation?

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 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 uses the faster FAT32 file system, whereas a quick format uses the slower NTFS file system.

20. Question

1 points

What is the default file system used during a fresh installation of Windows 7?

NTFS
HPFS
FAT16
FAT32

21. Question

1 points

What is the first step an administrator should take when splitting a single partition into multiple partitions?

Format the partition.
Assign a drive letter to the partition.
Extend the partition.
Shrink the partition.

22. Question

1 points

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?

Use the System Restore utility.
Update the driver for the graphics card.
Run the programs in Compatibility Mode.
Use the recovery partition to reinstall Windows.

23. Question

1 points

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?

Task Manager
Add or Remove Programs
Event Viewer
System Restore

24. Question

1 points

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?

Computer Management
Device Manager
My Computer
System Tools

25. Question

1 points

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
Msconfig
Task Manager

26. Question

1 points

Which type of network spans a single building or campus and provides services and applications to people within a common organizational structure?

PAN
WAN
LAN
MAN

27. Question

2 points

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.)

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.
Data resources and access are centrally controlled.
Personnel costs are lower because a dedicated network administrator is no longer necessary.

28. Question

1 points

What are the four layers in the TCP/IP reference model?

application, presentation, internet, network access
application, transport, network, data link
application, transport, internet, network access
application, presentation, session, transport
physical, data link, network, transport

29. Question

1 points

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?

22
53
80
143
443

30. Question

1 points

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\password/WORK1/installs
// WORK2/installs
\\work1\installs
\\username\Work2\installs
\WORK2|installs

31. Question

1 points

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
ISDN
cellular
microwave

32. Question

1 points

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.
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.
Data centers require cloud computing but cloud computing does not require data centers.

33. Question

2 points

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.)

Verify that the laptop is plugged into an electrical outlet.
Reconfigure TCP/IP settings on the laptop.
Reinsert the laptop battery.
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.

34. Question

1 points

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.

35. Question

1 points

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?

improper IP address configuration on the host
hardware failure of the ISR used to connect the customer to the ISP
bad cables or connections at the customer site
failure of DNS to resolve names to IP addresses

36. Question

1 points

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
Safe mode
System Registry

37. Question

2 points

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.)

Remove the battery.
Disconnect AC power.
Enable Bluetooth in BIOS Setup.
Ensure that the antistatic wrist strap is attached to a nonpainted portion of the laptop.
Ensure that the laptop Bluetooth switch is enabled.

38. Question

1 points

What laptop component converts DC power to AC so that the display can illuminate?

inverter
backlight
CCFL
battery
motherboard

39. Question

1 points

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?

Can the laptop operate using the AC adapter?
Have you changed your password recently?
What software has been installed recently?
What were you doing when the problem occurred?

40. Question

2 points

A technician is troubleshooting the appearance of flashing lines on a laptop screen. What are two possible causes of this distortion? (Choose two.)

Power to the pixels has been removed.
The display settings have been changed.
The GPU is not cooling correctly.
The LCD cutoff switch is damaged.
The display is not correctly installed.

41. Question

1 points

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 widget is corrupt.
The security settings of the Android OS have been compromised.
The widget is associated with the app and this is the normal behavior.

42. Question

1 points

Which component uses the greatest amount of power on most mobile devices?

LCD screen
camera
CPU
media player

43. Question

1 points

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

44. Question

1 points

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 there are signs of swelling
if the screen brightness begins to dim
if the device feels warm to the touch

45. Question

2 points

A technician is explaining the differences between inkjet printers and laser printers to a customer. Which two comparisons should the technician make? (Choose two.)

Inkjet printers are less expensive as an initial purchase than laser printers.
A laser printer is significantly slower than an inkjet printer.
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.
Inkjet printers use plain paper to make economical prints, but laser printers require more expensive thermal paper.

46. Question

1 points

For cleaning a laser printer, what should be used to pick up excess particles of toner?

a HEPA-capable vacuum
a lint-free cloth
isopropyl alcohol
a damp cloth

47. Question

1 points

What characterizes a DDoS attack?

Many hosts participate in a coordinated attack.
Infected computers are called daemons.
It is easy to identify the source of the attack.
All hosts must be in the same geographic area.

48. Question

2 points

Which two password control policies should an organization implement to ensure strong passwords? (Choose two.)

Passwords should be set to expire every 60 days.
Passwords should contain no more than eight characters.
Passwords must contain encrypted characters.
Passwords should contain letters and numbers.
Passwords should contain only capital letters.

49. Question

1 points

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
EFS
TPM
Windows Update

50. Question

3 points

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.)

Keep blocking
Unblock
Ask me later
Deny all
Turn off
Turn on

51. Question

2 points

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.)

Log in as a different user.
Disconnect the computer from the network.
Search helpdesk repair logs for more information.
Discuss solutions with the customer.
Ask the customer open-ended questions about the problem.

52. Question

1 points

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.
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.

53. Question

1 points

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

54. Question

1 points

In which circumstance should a level one technician initiate an escalated work order?

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
when the technician cannot understand the problem as explained by the customer

55. Question

1 points

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?

Event Viewer
Task Manager
Device Manager
Disk Management

56. Question

2 points

Which two issues are likely to cause BSOD errors? (Choose two.)

out-of-date browser
RAM failing
device driver errors
lack of antivirus software
power supply failure

57. Question

2 points

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.)

username
password
FTP client IP address
FTP server IP address
FTP client port number
FTP server port number

58. Question

1 points

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.
Make the users members of a group called Backup Operators.
Check the Folder is Ready for Archiving box in the properties of each folder.

59. Question

1 points

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.

60. Question

4 points

Match the facility access control devices to the correct descriptions. (Not all options are used.)

Sort elements

identification badges with photographs
RFID badges
card keys
biometric sensors
cable locks

devices to display image of the user
sensors to monitor location and access
devices to store user information and level of access
devices to identify physical characteristics of the user

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