CompTIA A+ Core 1
(220-1201) Full Course &
Practice Exam
2026-2027
Master Exam Prep Bundle
(Verified Questions & Answers)
A+ Grade Guaranteed
,Which type of wireless network utilizes the 2.4 GHz 802.11g
frequency band and reaches speeds of up to 54 Mbps?
Which of the following is a connectionless protocol DHCP
that utilizes on UDP?
Which mobile connectivity option allows devices to NFC
communicate by bringing them into close proximity,
usually within a few centimeters/inches?
How many volts of electrical charge are applied to the -600 volts
drum of a laser printer?
Which of the following technologies can provide the GPS
precise latitude and longitude of a device's location
when it is located outdoors?
Tom, a salesman, is trying to print a 3-page report to Verify that Tom has been sending the document to the correct network
the network printer located in the Sales department’s printer's queue
office space. He walks over to the printer but doesn’t
see the pages in the printer’s output tray. He checks
the on-screen display of the printer, but he doesn’t see
any errors listed. Tom tries a few more times, but he
gets the same results. Frustrated, Tom selects the
network printer for the Customer Service department
and sends his print job there. He walks over to their
offices and finds his 3-page report sitting in that
printer’s output tray. Tom asks you to help him solve
this printing problem. What action should you take
FIRST to help solve Tom’s problem?
What network device uses ACLs to prevent Firewall
unauthorized access into company systems?
A user wants to print a spreadsheet horizontally on a Orientation
piece of paper instead of vertically to fit more columns
on a single page. What setting should the user enable
on the printer for this print job to achieve this result?
An IT administrator notices that their cloud-hosted Configure the system to scale resources down during periods of low usage
application is running with excessive CPU resources automatically
even when user traffic is low, leading to unnecessary
costs. How can the administrator use elasticity to
resolve this issue?
A user reports that their mobile device is not charging Try a different USB port on the computer to rule out port failure
when connected to their computer via a USB cable.
The user is using a USB-A to USB-C cable. Upon
inspecting the device, you confirm that it does not
detect the connection to the computer. What is the
first step you should take to diagnose the issue?
,Dion Training's file server uses a RAID 5 for its main The HDD is incompatible
data store. Recently, the RAID began flashing from
green to yellow. Additionally, an alert was received
that stated, "RAID ARRAY DISK1 FAILURE."
Unfortunately, the company no longer has any spare 1
TB, 5400 RPM Seagate drives, so a technician replaces
DISK1 with a 1 TB, 7200 RPM Western Digital drive.
When the technician attempts to rebuild the array, the
drive stays in degraded operation and continues to
alert that "RAID ARRAY DISK1 FAILURE" is occurring.
What is the most likely cause of this issue?
Which of the following networked hosts should be Spam gateway
installed to prevent users from being overwhelmed
with junk emails?
Dion Training wants to install a new accounting SaaS in a private cloud
system and is considering moving to a cloud-based
solution to reduce cost, reduce the information
technology overhead costs, improve reliability, and
improve availability. Your Chief Information Officer is
supportive of this move since it will be more fiscally
responsible. Still, the Chief Risk Officer is concerned
with housing all of the company’s confidential
financial data in a cloud provider’s network that might
be shared with other companies. Since the Chief
Information Officer is determined to move to the cloud,
what type of cloud-based solution would you
recommend to account for the Chief Risk Officer’s
concerns?
The large multi-function network printer has recently Fuser
begun to print pages that appear to have a dust-like
coating when handled by the users. Which of the
following components should be replaced based on
this description?
Which of the following types of data should you An order for a $50,000 stock purchase
transmit over TCP?
Which of the following devices should be installed as Proxy server
an intermediary between your clients and the web
servers they want to connect to to make an HTTP
request from the client, check it, and then forward it to
its destination?
What command is used to test if your own network ping 127.0.0.1
card's driver is working properly?
Jason left his smartphone in his car while running into The smartphone is overheated
a convenience store to grab a cold drink on a sunny
day. When he got back to the car, his smartphone
would not turn on. Which of the following issues most
likely occurred?
Brenda’s workstation continually fails to keep The desktop's CMOS battery has failed
accurate time. She manually sets the date and time
within Windows, but the next day the time is
inaccurate again. When she leaves work at the end of
the day, Brenda shuts down her workstation per
company policy. The next morning when she boots up
the computer, she must reset the time again. Which of
the following is MOST likely causing the inaccurate
time on the workstation?
, Which of the following locations are you likely to find Positioned around the display panel
the antenna wires located within a laptop or mobile
device?
Your firewall is blocking outbound email traffic that is 25
attempting to be sent. Which port should you verify is
set to ALLOW in the firewall to ensure your emails are
being sent?
You are troubleshooting a storage issue on a HDD
customer's computer. During the computer's
operation, you hear a loud, rhythmic sound. Which of
the following storage components is likely failing?
Which of the following refers to using virtual machines VDI
as a method of provisioning workstations for
corporate users?
Using the image of the motherboard above, which of PATA connector
the following correctly indicates the circled area?
Which of the following is an open-source wireless Zigbee
communication protocol operating in the 2.4 GHz
frequency band and is primarily used for home
automation?
A company relies on legacy accounting software that Install a virtual machine running the legacy OS
is no longer compatible with the latest operating
systems. Which of the following is the BEST solution
to ensure continued use of the software without
upgrading the operating system?
Which of the following types of power supplies allows Modular power supply
the installer to attach or remove cables from the power
supply as needed to reduce cable clutter inside the
computer's case?
Linda wants to reduce the number of monitors, KVM
keyboards, and mice required to control the multiple
servers she manages in the data center. Which of the
following devices should she install to allow a single
keyboard or mouse to control multiple systems?
You are currently conducting passive reconnaissance TXT
in preparation for an upcoming penetration test
against Dion Training. You are reviewing the DNS
records for the company and are trying to identify
which third-party hosted services they may be using.
Which of the following DNS records should you
analyze to identify any human-readable records,
domain verifications, and domain authentications
A computer technician is replacing a failed power Wattage rating
supply in a customer's gaming workstation that Number and type of connectors
contains multiple hard drives and a dedicated
graphics card. Which of the following are the two most
important things for the technician to consider when
selecting a power supply replacement for this system?
(Select TWO.)
A user reports that their mobile device has become Replace the HDD with an SSD
significantly slower over time. Upon inspection, you
discover that the device still uses a traditional HDD.
What is the MOST effective upgrade to improve the
performance of the device?
(220-1201) Full Course &
Practice Exam
2026-2027
Master Exam Prep Bundle
(Verified Questions & Answers)
A+ Grade Guaranteed
,Which type of wireless network utilizes the 2.4 GHz 802.11g
frequency band and reaches speeds of up to 54 Mbps?
Which of the following is a connectionless protocol DHCP
that utilizes on UDP?
Which mobile connectivity option allows devices to NFC
communicate by bringing them into close proximity,
usually within a few centimeters/inches?
How many volts of electrical charge are applied to the -600 volts
drum of a laser printer?
Which of the following technologies can provide the GPS
precise latitude and longitude of a device's location
when it is located outdoors?
Tom, a salesman, is trying to print a 3-page report to Verify that Tom has been sending the document to the correct network
the network printer located in the Sales department’s printer's queue
office space. He walks over to the printer but doesn’t
see the pages in the printer’s output tray. He checks
the on-screen display of the printer, but he doesn’t see
any errors listed. Tom tries a few more times, but he
gets the same results. Frustrated, Tom selects the
network printer for the Customer Service department
and sends his print job there. He walks over to their
offices and finds his 3-page report sitting in that
printer’s output tray. Tom asks you to help him solve
this printing problem. What action should you take
FIRST to help solve Tom’s problem?
What network device uses ACLs to prevent Firewall
unauthorized access into company systems?
A user wants to print a spreadsheet horizontally on a Orientation
piece of paper instead of vertically to fit more columns
on a single page. What setting should the user enable
on the printer for this print job to achieve this result?
An IT administrator notices that their cloud-hosted Configure the system to scale resources down during periods of low usage
application is running with excessive CPU resources automatically
even when user traffic is low, leading to unnecessary
costs. How can the administrator use elasticity to
resolve this issue?
A user reports that their mobile device is not charging Try a different USB port on the computer to rule out port failure
when connected to their computer via a USB cable.
The user is using a USB-A to USB-C cable. Upon
inspecting the device, you confirm that it does not
detect the connection to the computer. What is the
first step you should take to diagnose the issue?
,Dion Training's file server uses a RAID 5 for its main The HDD is incompatible
data store. Recently, the RAID began flashing from
green to yellow. Additionally, an alert was received
that stated, "RAID ARRAY DISK1 FAILURE."
Unfortunately, the company no longer has any spare 1
TB, 5400 RPM Seagate drives, so a technician replaces
DISK1 with a 1 TB, 7200 RPM Western Digital drive.
When the technician attempts to rebuild the array, the
drive stays in degraded operation and continues to
alert that "RAID ARRAY DISK1 FAILURE" is occurring.
What is the most likely cause of this issue?
Which of the following networked hosts should be Spam gateway
installed to prevent users from being overwhelmed
with junk emails?
Dion Training wants to install a new accounting SaaS in a private cloud
system and is considering moving to a cloud-based
solution to reduce cost, reduce the information
technology overhead costs, improve reliability, and
improve availability. Your Chief Information Officer is
supportive of this move since it will be more fiscally
responsible. Still, the Chief Risk Officer is concerned
with housing all of the company’s confidential
financial data in a cloud provider’s network that might
be shared with other companies. Since the Chief
Information Officer is determined to move to the cloud,
what type of cloud-based solution would you
recommend to account for the Chief Risk Officer’s
concerns?
The large multi-function network printer has recently Fuser
begun to print pages that appear to have a dust-like
coating when handled by the users. Which of the
following components should be replaced based on
this description?
Which of the following types of data should you An order for a $50,000 stock purchase
transmit over TCP?
Which of the following devices should be installed as Proxy server
an intermediary between your clients and the web
servers they want to connect to to make an HTTP
request from the client, check it, and then forward it to
its destination?
What command is used to test if your own network ping 127.0.0.1
card's driver is working properly?
Jason left his smartphone in his car while running into The smartphone is overheated
a convenience store to grab a cold drink on a sunny
day. When he got back to the car, his smartphone
would not turn on. Which of the following issues most
likely occurred?
Brenda’s workstation continually fails to keep The desktop's CMOS battery has failed
accurate time. She manually sets the date and time
within Windows, but the next day the time is
inaccurate again. When she leaves work at the end of
the day, Brenda shuts down her workstation per
company policy. The next morning when she boots up
the computer, she must reset the time again. Which of
the following is MOST likely causing the inaccurate
time on the workstation?
, Which of the following locations are you likely to find Positioned around the display panel
the antenna wires located within a laptop or mobile
device?
Your firewall is blocking outbound email traffic that is 25
attempting to be sent. Which port should you verify is
set to ALLOW in the firewall to ensure your emails are
being sent?
You are troubleshooting a storage issue on a HDD
customer's computer. During the computer's
operation, you hear a loud, rhythmic sound. Which of
the following storage components is likely failing?
Which of the following refers to using virtual machines VDI
as a method of provisioning workstations for
corporate users?
Using the image of the motherboard above, which of PATA connector
the following correctly indicates the circled area?
Which of the following is an open-source wireless Zigbee
communication protocol operating in the 2.4 GHz
frequency band and is primarily used for home
automation?
A company relies on legacy accounting software that Install a virtual machine running the legacy OS
is no longer compatible with the latest operating
systems. Which of the following is the BEST solution
to ensure continued use of the software without
upgrading the operating system?
Which of the following types of power supplies allows Modular power supply
the installer to attach or remove cables from the power
supply as needed to reduce cable clutter inside the
computer's case?
Linda wants to reduce the number of monitors, KVM
keyboards, and mice required to control the multiple
servers she manages in the data center. Which of the
following devices should she install to allow a single
keyboard or mouse to control multiple systems?
You are currently conducting passive reconnaissance TXT
in preparation for an upcoming penetration test
against Dion Training. You are reviewing the DNS
records for the company and are trying to identify
which third-party hosted services they may be using.
Which of the following DNS records should you
analyze to identify any human-readable records,
domain verifications, and domain authentications
A computer technician is replacing a failed power Wattage rating
supply in a customer's gaming workstation that Number and type of connectors
contains multiple hard drives and a dedicated
graphics card. Which of the following are the two most
important things for the technician to consider when
selecting a power supply replacement for this system?
(Select TWO.)
A user reports that their mobile device has become Replace the HDD with an SSD
significantly slower over time. Upon inspection, you
discover that the device still uses a traditional HDD.
What is the MOST effective upgrade to improve the
performance of the device?
