IT Essentials 7.0 Practice Final Exam (Chapters 1-9) Test Online

1. Question

1 points

What is the function of the power supply?

to convert AC power into a lower voltage DC power
to convert AC power into a higher voltage DC power
to convert DC power into a lower voltage AC power
to convert DC power into a higher voltage AC power

2. Question

1 points

Which two motherboard components connect to the Northbridge chipset? (Choose two.)

NIC
USB 2.0 devices
USB 3.0 devices
FireWire devices
RAM
video card

3. Question

1 points

What type of connector can be used to connect an internal hard drive to the motherboard?

USB
SATA
eSATA
Thunderbolt

4. Question

1 points

Refer to the exhibit. To what input device would the cables attach?

https://itexamanswers.net/wp-content/uploads/2019/09/i204369v1n1_kvm.jpg

keyboard/mouse combo device
KVM switch
video distribution center
sound system

5. Question

1 points

Which is the correct procedure to put out a fire with a fire extinguisher after the pin is pulled?

Aim just above the flame, squeeze the lever, and sweep from side to side.
Aim at the base of the flame, squeeze the lever, and sweep from side to side.
Aim directly at the center of the flame, squeeze the lever, and sweep from side to side.
Aim at the base of the flame, squeeze the lever, and sweep from the base to the top of the flame.
Aim just above the flame, squeeze the lever, and sweep from the top to the base of the flame.

6. Question

1 points

Which three safety guidelines would be recommended for a technician working inside a laser printer? (Choose three.)

Allow the hot area of the laser printer to cool.
Ensure that the printer has power attached and that there is a good ground.
Keep a fire extinguisher beside the laser printer while working inside it.
Remove jewelry and other accessories.
Secure loose clothing.
When removing the printer or heavy parts of the printer, be sure to bend at the waist to lift.

7. Question

1 points

A technician is reorganizing the parts cabinet and has found some thermal paste. When would the technician use thermal paste?

when installing SSDs
when performing maintenance on mechanical drives
when installing CPUs
when troubleshooting memory problems

8. Question

1 points

Which two types of expansion slots would be used by a wireless NIC in a computer today? (Choose two.)

PCIe
AGP
PCI
DIMM
ISA

9. Question

1 points

Refer to the exhibit. What is the purpose of the device that is shown?

https://itexamanswers.net/wp-content/uploads/2019/09/i344212v2n1_344183.jpg

to connect multiple computers to a single keyboard and mouse
to read data from a memory card
to read or write data to discs
to connect various types of external hard drives

10. Question

1 points

Refer to the exhibit. What is the motherboard component that is shown?

https://itexamanswers.net/wp-content/uploads/2019/09/i344210v2n1_344210.png

front panel cable connectors
motherboard power connector
PATA drive connector
SATA data and power connectors

11. Question

1 points

Which solid-state storage technology allows a computer BIOS to be upgraded by flashing?

SODIMM
ROM
SDRAM
EEPROM

12. Question

1 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

13. 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

14. 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

15. Question

1 points

Which two existing components must be compatible with the installation of a new upgraded CPU? (Choose two.)

power supply
motherboard
hard drive
case
video card

16. Question

1 points

What are three important considerations when installing a CPU on a motherboard that has just been upgraded? (Choose three.)

Antistatic precautions are taken.
The CPU is correctly aligned and placed in the socket.
The CPU contacts are first cleaned with isopropyl alcohol.
The CPU heat sink/fan assembly is correctly installed.
The CMOS battery is removed prior to installing the CPU.
Maximum insertion force is applied to the load lever so that the CPU is locked in place.

17. Question

1 points

What is a possible use for virtual computing?

to run old applications that are not compatible with current operating systems
to allow computer hardware to be tested
to allow computer hardware upgrades to be tested
to allow ROM firmware upgrades to be tested

18. Question

1 points

A customer has requested a device with a minimum of 64 GB of RAM and the requirement that large numbers of users can test software upgrades in a safe environment. What type of device should be purchased?

CAx workstation
VDI server
thin client
thick client

19. Question

1 points

True or False? Thin clients require a network connection to remote servers to perform data processing.

true
false

20. Question

1 points

What is the correct disposal process of old computer batteries?

They should be burned because they do not decompose.
They can be refilled and reused.
They should be placed in an airtight container and then thrown away in the regular garbage.
They must be recycled because they are harmful to the environment.
Because they will decompose harmlessly, they should be thrown away in the recycling bin.

21. Question

1 points

Which component can be easily damaged by the direct spray of compressed air when cleaning inside the computer case?

fan
heat sink
power supply
CPU
cable connectors

22. Question

1 points

During the process of testing a theory of several probable causes to a problem, which should be tested first?

the easiest and most obvious
those the customer believes to be the most important
the most complex and difficult to diagnose
those chosen by random selection

23. Question

1 points

Which two items could be used to help establish a plan of action when resolving a computer problem? (Choose two.)

a multimeter
a loopback plug
the computer manual
the computer repair history log
BIOS diagnostics

24. Question

1 points

What is the preferred method to remove a disc from an optical drive that fails to eject the disc?

Insert a pin into the small hole on the front of the drive.
Use a small screwdriver and pry the drive door open.
Remove the top of the drive enclosure.
Send the drive to an authorized repair depot.

25. Question

1 points

A technician is called to an office where the computer is randomly rebooting. Which of the given components would most likely cause this issue?

BIOS
CMOS battery
optical drive
power supply

26. Question

1 points

Which two devices are considered intermediary devices in a network? (Choose two.)

switch
server
printer
modem
IP phone

27. 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

28. 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

29. Question

1 points

A computer technician is monitoring traffic on a network where users are complaining about slow network performance. The technician is curious as to whether the new network management software is causing the slowdown. Which two port numbers would the technician be looking for in the captured packets for SNMP traffic? (Choose two.)

67
68
80
161
162
443

30. Question

1 points

A technician has been asked to assist with the installation of smart devices in school dormitories. Which two technologies should the technician be familiar with? (Choose two.)

VR/AR
LTE
IPS
Z-Wave
Zigbee

31. Question

1 points

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
DNS
ICMP

32. Question

1 points

Which IPv6 address represents the most compressed form of the IPv6 address 2001:0db8:cafe:0100:0f0d:0000:0000:00AA/96

2001:0db8:cafe:0100:0f0d::00AA/96
2001:db8:cafe:1:f0d::AA/96
2001:db8:cafe:100:f0d::AA/96
2001:0db8:cafe:0100:0f0d::AA/96

33. Question

1 points

What is the full decompressed form of the IPv6 address 2001:420:59:0:1::a/64?

2001:420:59:0:1:0:0:a
2001:0420:0059:0000:0001:0000:0000:000a
2001:4200:5900:0000:1000:0000:0000:a000
2001:4200:5900:0:1:0:0:a000
2001:0420:0059:0000:0001:000a
2001:0420:0059:0000:0001:0000:000a

34. Question

1 points

A support desk technician is asking a customer a series of questions about a problem connecting to the network. Which step of the troubleshooting process is the technician applying?

Identify the problem.
Establish a theory of probable cause.
Establish a plan of action to resolve the problem.
Test the theory to determine cause.

35. Question

1 points

What are three common solutions for a PC that displays an IP address starting with 169.254.x.x? (Choose three.)

Check the DNS server setting.
Turn on the device that is acting as a DHCP server.
Enable the client machine to receive an IPv4 address automatically.
Use the ipconfig /release and ipconfig /renew commands to request a new IPv4 address.
Reboot the client machine that is using the 169.254.x.x address.
Reenter the IPv4 address on the DHCP server.

36. Question

1 points

A user with a laptop is trying to connect to a wireless network, but no wireless networks are showing. What is a quick way for the user to ensure that the wireless NIC is enabled?

Enable Airplane mode.
Use a function key.
Hold down the Ctrl key and then press the Insert key.
Attach the AC power cord.

37. Question

1 points

Which laptop device would accept an SD card?

M.2 card
mini-PCIe adapter
card reader
eSATA port

38. Question

1 points

What are two indications that a mobile device battery needs to be replaced? (Choose two.)

The battery is leaking.
The mobile device will not turn off properly.
Unusual characters display on the screen.
The battery overheats.
The display brightness cannot be adjusted.

39. Question

1 points

What two steps must be taken before performing a cleaning procedure on a laptop computer? (Choose two.)

Disconnect the laptop from the electrical outlet.
Remove all installed batteries.
Wipe the surface of the touch pad.
Clean the screen with a cloth.
Insert the cleaning disk into the optical drive.
Backup the registry.

40. Question

1 points

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?

piezoelectric printer
inkjet printer
thermal printer
impact printer

41. Question

1 points

In what two situations is a virtual printer used? (Choose two.)

A user sends a printed document to a remote destination through the cloud.
A remote user sends a document to a local user who prints the document using the company laser printer.
A corporate user prints to a centralized printer on the same floor, but on a different network.
A document is printed to a PDF or other file type.
A document is sent to a printer that is connected to the USB port of a co-worker on the same network.

42. Question

1 points

What printer feature allows a computer to work while print jobs are waiting in queue to be printed?

buffering
duplexing
charging
processing

43. Question

1 points

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?

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.
Nothing. Windows automatically provides the driver.

44. 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

45. 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.

46. Question

1 points

Which technology provides a solution for PC virtualization?

hypervisor
server clustering
Terminal Services
RAID

47. Question

1 points

What is an example of cloud computing?

a continuous interaction between people, processes, data, and things
a service that offers on-demand access to shared resources
a network infrastructure that spans a large geographic area
an architectural style of the World Wide Web

48. Question

1 points

Which Cloud computing service would be best for a new organization that cannot afford physical servers and networking equipment and must purchase network services on-demand?

PaaS
SaaS
ITaaS
IaaS

49. Question

1 points

A customer comes into a computer parts and service store. The customer is looking for a device to allow users to tap and pay for their purchases. What device should the store owner recommend to accomplish the required task?

NFC device
keyboard
flatbed scanner
barcode scanner

50. Question

1 points

A customer comes into a computer parts and service store. The customer is looking for a device to allow secure access to the main doors of the company by swiping an ID card. What device should the store owner recommend to accomplish the required task?

magstripe reader
keyboard
NFC device
flatbed scanner

51. Question

1 points

A customer comes into a computer parts and service store. The customer is looking for a device to scan some old family photos into a laptop. What device should the store owner recommend to accomplish the required task?

flatbed scanner
keyboard
NFC device
barcode scanner

52. Question

1 points

A customer comes into a computer parts and service store. The customer is looking for a device to display a promotional presentation to a large audience at a conference. What device should the store owner recommend to accomplish the required task?

projector
keyboard
NFC device
flatbed scanner

53. Question

1 points

A customer comes into a computer parts and service store. The customer is looking for a device to simplify inventory ordering and control in the customer retail store. What device should the store owner recommend to accomplish the required task?

barcode scanner
stylus
AR headset
KVM switch

54. Question

1 points

A customer comes into a computer parts and service store. The customer is looking for a device to train pilots how to land and take off in a computer simulation environment. What device should the store owner recommend to accomplish the required task?

joystick or gamepad
KVM switch
stylus
barcode scanner

55. Question

1 points

A customer comes into a computer parts and service store. The customer is looking for a device to share a keyboard and mouse between two computers. What device should the store owner recommend to accomplish the required task?

KVM switch
stylus
AR headset
barcode scanner

56. Question

1 points

A customer comes into a computer parts and service store. The customer is looking for a device to verify the identity of the receiver when a purchased product is delivered by courier to the door of a customer. What device should the store owner recommend to accomplish the required task?

signature pad
stylus
AR headset
KVM switch

57. Question

1 points

A customer comes into a computer parts and service store. The customer is looking for a device to provide secure access to the central server room using a retinal scan. What device should the store owner recommend to accomplish the required task?

biometric scanner
stylus
AR headset
KVM switch

58. Question

1 points

A customer comes into a computer parts and service store. The customer is looking for a device to help a person with accessibility issues input instructions into a laptop by using a pen. What device should the store owner recommend to accomplish the required task?

stylus
KVM switch
AR headset
barcode scanner

59. Question

1 points

A consultant has been asked to help decide on the best power protection for some equipment in a company that trades electricity and energy nation-wide. The company has multiple cubicles where the energy traders work. Each cubicle has a computer, an IP phone, and eight monitors. All devices need power and the ability to protect the equipment from power spikes. Which protection device would be best to use for each computer station?

a surge protector
a capacitor
a phone line filter
a redundant power supply

60. Question

1 points

A consultant has been asked to help decide on the best power protection for some equipment in a company that provides payroll services to small businesses. The company has staff that require a PC, laser printer, and IP phone from 8 a.m. to 5 p.m. Monday through Friday. The power protection device needs to be able to provide protection for an overvoltage situation. Which protection device would be best to use for each computer station?

a surge protector
a capacitor
a phone line filter
a redundant power supply

61. Question

1 points

A consultant has been asked to help decide on the best power protection for some equipment in a company that specializes in PC technical support for senior citizens. The company is a 24/7 operation. Each technician is assigned to a computer that has an IP phone with a headset and two monitors. All devices need power and the ability to protect the equipment from power spikes. Which protection device would be best to use for each computer station?

a surge protector
a 24-pin power connector
a capacitor
a redundant power supply

62. Question

1 points

A consultant has been asked to help decide on the best power protection for some equipment in a company that trades electricity and energy nation-wide. The company has multiple cubicles where the energy traders work. Each cubicle has a computer, an IP phone, and eight monitors. All devices need consistent quality power, the ability to use the equipment 24/7, and the ability to save information about the current transaction if the power goes out. Which protection device would be best to use for each computer station?

a UPS
an anti-static wrist band
a capacitor
a redundant power supply

63. Question

1 points

A consultant has been asked to help decide on the best power protection for some equipment in a company that provides payroll services to small businesses. The company has staff that require a PC, laser printer, and IP phone from 8 a.m. to 5 p.m. Monday through Friday. The power protection device needs to be able to provide conditioned power at all times the ability to save payroll information if the power goes out. Which protection device would be best to use for each computer station?

a UPS
an anti-static wrist band
a capacitor
a redundant power supply

64. Question

1 points

A consultant has been asked to help decide on the best power protection for some equipment in a company that specializes in PC technical support for senior citizens. The company is a 24/7 operation. Each technician is assigned to a computer that has an IP phone with a headset and two monitors. All devices need quality power, the ability to finish the current call if the power goes out, and constant battery charging. Which protection device would be best to use for each computer station?

a UPS
a lightning arrestor
a 24-pin power connector
a capacitor

65. Question

1 points

A user is building a new computer system. Why would the user select a DDR3?

to install a memory module
to diminish any electrostatic charge
to configure a gaming console
to attach an external HD

66. Question

1 points

A user is building a new computer system. Why would the user select external screws?

to install a power supply into a PC tower case
to attach an external HD
to attach a VR headset
to install an EEPROM

67. Question

1 points

A user is building a new computer system. Why would the user select a part that has a 3.5 inch (8.89 cms) form factor?

to install an internal HDD
to configure a gaming console
to attach a VR headset
to install an EEPROM

68. Question

1 points

A user is building a new computer system. Why would the user select an HDMI cable?

to attach a digital monitor
to configure a gaming console
to attach a VR headset
to install an EEPROM

69. Question

1 points

A user is building a new computer system. Why would the user select a DVI cable?

to attach a digital monitor
to replace the CPU cooling system
to attach a VR headset
to install an EEPROM

70. Question

1 points

A user is building a new computer system. Why would the user select a media reader?

to copy files from an SD card
to attach a laser printer
to install an EEPROM
to replace a heatsink

71. Question

1 points

A user is building a new computer system. Why would the user select an RJ-45 connector?

to connect a device to a wired network
to replace a heatsink
to attach a laser printer
to install an EEPROM

72. Question

1 points

How many bits are used to represent the host address of a computer with the IP address of 192.168.1.25 and a subnet mask of 255.255.255.0?

8
32
128
4

73. Question

1 points

How many bits are used to represent the network address of a host with an IP address of 192.168.150.16 and a subnet mask of 255.255.0.0?

16
32
128
4

74. Question

1 points

How many bits are used to represent a MAC address?

48
128
8
64

75. Question

1 points

How many bits are used to represent an IPv4 address?

32
48
128
132

76. Question

1 points

How many bits are used to represent an IPv6 address?

128
48
32
12

77. Question

1 points

How many bits are used to represent the OUI part of the MAC address of a NIC card?

24
8
128
42

78. Question

1 points

A computer user logs a problem stating that the computer is emitting a loud clicking noise. Which device should the technician check first?

RAM
CPU
hard drive
CPU fan

79. Question

1 points

While a technician is installing a printer, the technician hears a loud clicking noise. Which device should the technician check first?

motherboard
RAM
hard drive
CPU

80. Question

1 points

While working in a computer training room, the technician notices that one computer emits a loud clicking noise. Which device should the technician check first?

sound card
hard drive
CPU fan
motherboard

81. Question

1 points

Every time a user turns on the computer in the morning, the user hears a loud clicking noise. Which device should the technician check first?

motherboard
CPU fan
internal speaker
hard drive

82. Question

1 points

When a co-worker steps into another office, the co-worker notices that the computer is making a loud clicking noise and asks about it. The technician is contacted to investigate. Which device should the technician check first?

hard drive
monitor
CPU
CPU fan

83. Question

1 points

When a user turns on a workstation, the screen displays an “Invalid Boot Disk” error. The user calls the help desk. Which device should the technician check first?

power supply
hard drive
sound card
internal speaker

84. Question

1 points

A technician is working on a laptop and an app is not loading. What is a possible solution for this situation?

Perform a reset.
Ensure that only one app is open at a time.
Check the display settings.
Check the screen refresh rate.

85. Question

1 points

A technician is working on a laptop and an app is not responding. What is a possible solution for this situation?

Perform a reset.
Recharge the battery.
Check the screen refresh rate.
Replace the digitizer.

86. Question

1 points

A technician is working on a laptop and an error message about decryption appears when opening an email. What is a possible solution for this situation?

Check the screen refresh rate.
Install an appropriate certificate.
Replace the digitizer.
Check the display settings.

87. Question

1 points

A technician is working on a laptop and a key on the keyboard is not responding as it should. What is a possible solution for this situation?

Recharge the battery.
Update all security apps.
Clean with compressed air.
Verify that the Num Lock key is not depressed.

88. Question

1 points

Match the cloud model with the description.

Sort elements

uses Internet to provide
consists of two or more types of clouds
customized for functional needs
available to a single specific organization

public cloud

hybrid cloud

community cloud

private cloud

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