CompTIA A+ 220-1001 Core 1 Practice
Test Questions with correct Answers (A+
GRADED 100% VERIFIED) 2025/2026
A company salesperson just returned to the United States after three months in
Europe. Now the salesperson tells you that her PC, which worked fine in Europe,
won't turn on. What is the best solution?
A. Install a new power supply
B. the computer will not work in the United States due to European licensing.
C. install a power inventor to the power supply
D. Change the voltage from 230 to 115 - ANSWER: D. Change the voltage from 230
to 115
A computer you are troubleshooting shuts down without warning. After a few
minutes, it boots back up fine, but after running for a short time, it shuts down again.
Which of the following components could be the cause? (Select the two best
answers)
A. Power supply
B. SATA hard drive
C. RAM'
D. CPU fan
E. Video card - ANSWER: A. Power Supply
D. CPU fan
A computer you are troubleshooting won't boot properly. When you power on the
computer, the video display is blank and you hear a series of beeps. What should
you do?
A. Check power supply connections
B. Consult the vendor documentation for the motherboard
C. Remove all memory and replace it
D. Unplug the speakers because they are causing a conflict - ANSWER: B. Consult
the vendor documentation for the motherboard
A computer you are working on randomly reboots. Which of the following should be
checked first when troubleshooting the computer? (Select the two best answers.)
A. Memory integrity
B. Video card integrity
,C. CMOS battery
D. PSU integrity
E. Optical drive integrity - ANSWER: A. Memory integrity
D. PSU integrity
A customer complains that an important disc is struck in the computer's DVD-ROM
drive. What should you recommend to the customer?
A. To get a screwdriver and disassemble the drive
B. To format the disc
C. To use a paper clip to eject the tray
D. To dispose of the drive and replace the media - ANSWER: C. To use a paper clip
to eject the tray
A customer has a brand new Chromebook and needs help configuring it. Which of
the following should you help the user with?
A. Touch pad
B. Initial account setup
C. Registry
D. Touchscreen
E. app store applications
F. Task Manager - ANSWER: A. Touchpad
B. Initial account setup
D. Touchscreen
A customer of yours is opening an Internet cafe and wants to offer computers for the
patrons to access the Internet. Which type of computer system should you
recommend?
A. Thin client
B. Standard thick client
C. Audio/video workstation
D. Gaming PC
E. HTPC - ANSWER: A. Thin client
A customer running Windows 10 Pro wishes to install a Linux VM in Hyper-V
Manager. Which of the following requirements must be met in order for this to
happen? (Select all that apply).
A. Update and secure the host system
B. Virtualization must be enabled in the UEFI/BIOS
C. Hyper-V needs to be turned on in Window Features
,D. Restart the system - ANSWER: B. Virtualization must be enabled in the
UEFI/BIOS
C. Hyper-V needs to be turned on in Windows Features
D. Restart the system
A desktop computer (named workstation22) can't connect to the network. A network
card was purchased without documentation or driver discs. Which of the following is
the best way to install the network card driver?
A. Purchase the disc online and install
B. Run Windows update to install the drivers
C. From the desktop computer (workstation22), download and install the drivers.
D. Copy the driver to a flash drive and install. - ANSWER: D. Copy the driver to a
flash drive and install
A laptop's battery fails to charge. Which of the following should be checked first?
A. DC-in jack'
B. AC-in jack
C. CMOS battery
D. AC circuit breaker - ANSWER: A. DC-in jack
A monitor's on-screen display (OSD) indicates that the proper video source has been
selected, yet no image is displayed. Which of the following are the most likely
causes? (Select the two best answers.)
A. The monitor's brightness setting is too low.
B. The monitor's backlight has failed.
C. There is no device sending video.
D. The source cable has been disconnected.
E. The monitor's contrast setting is too high. - ANSWER: C. There is no device
sending video.
D. The source cable has been disconnected
A PC reboots without any warning. You ruled out any chance of viruses. When you
look at the motherboard, you see that some of the capacitors appear distended and
out of shape. What should you do?
A. Replace the motherboard
B. Replace the hard drive
C. Remove and replace the capacitors
D. Reconfigure the BIOS - ANSWER: A. Replace the motherboard
, A PC's network adapter has a link light that is lit, but the PC can't access internal
network resources. Which of the following is the most likely cause of this issue?
A. IP address conflict
B. Incorrect gateway
C. Packet collisions
D. Slow transfer speed - ANSWER: A. IP address conflict
A user calls you and tells you that his computer won't boot and that there is a faint
smell of something burning. Which tool should be used to identify the problem?
A. Loopback'
B. Cable tester
C. PSU tester
D. ESD strap - ANSWER: C. PSU tester
A user can receive e-mail but cannot send any. Which protocol is not configured
properly?
A. POP3
B. FTP
C. SMTP
D. SNMP - ANSWER: C. SMTP
A user complains that the computer is not connecting to the network. Which of the
following should be done first?
A. Use ipconfig / all
B. Ping the router
C. Check the patch cable
D. Check the network drivers - ANSWER: C. Check the patch cable
A user doesn't see anything on his laptop's screen. He tries to use AC power and
thinks that the laptop is not receiving any. Which of the following are two possible
reasons for this? (Select the two best answers.)
A. He is using an innocent AC adapter
B. The AC adapter is not connected to the laptop.
C. Windows won't boot.
D. The battery is dead - ANSWER: A. He is using an incorrect AC adapter.
B. The Ac adapter is not connected to the laptop.
A user moves a laptop one office to another. The patch cable and the network
adapter do not appear to be working properly at the new office. The cable is plugged
Test Questions with correct Answers (A+
GRADED 100% VERIFIED) 2025/2026
A company salesperson just returned to the United States after three months in
Europe. Now the salesperson tells you that her PC, which worked fine in Europe,
won't turn on. What is the best solution?
A. Install a new power supply
B. the computer will not work in the United States due to European licensing.
C. install a power inventor to the power supply
D. Change the voltage from 230 to 115 - ANSWER: D. Change the voltage from 230
to 115
A computer you are troubleshooting shuts down without warning. After a few
minutes, it boots back up fine, but after running for a short time, it shuts down again.
Which of the following components could be the cause? (Select the two best
answers)
A. Power supply
B. SATA hard drive
C. RAM'
D. CPU fan
E. Video card - ANSWER: A. Power Supply
D. CPU fan
A computer you are troubleshooting won't boot properly. When you power on the
computer, the video display is blank and you hear a series of beeps. What should
you do?
A. Check power supply connections
B. Consult the vendor documentation for the motherboard
C. Remove all memory and replace it
D. Unplug the speakers because they are causing a conflict - ANSWER: B. Consult
the vendor documentation for the motherboard
A computer you are working on randomly reboots. Which of the following should be
checked first when troubleshooting the computer? (Select the two best answers.)
A. Memory integrity
B. Video card integrity
,C. CMOS battery
D. PSU integrity
E. Optical drive integrity - ANSWER: A. Memory integrity
D. PSU integrity
A customer complains that an important disc is struck in the computer's DVD-ROM
drive. What should you recommend to the customer?
A. To get a screwdriver and disassemble the drive
B. To format the disc
C. To use a paper clip to eject the tray
D. To dispose of the drive and replace the media - ANSWER: C. To use a paper clip
to eject the tray
A customer has a brand new Chromebook and needs help configuring it. Which of
the following should you help the user with?
A. Touch pad
B. Initial account setup
C. Registry
D. Touchscreen
E. app store applications
F. Task Manager - ANSWER: A. Touchpad
B. Initial account setup
D. Touchscreen
A customer of yours is opening an Internet cafe and wants to offer computers for the
patrons to access the Internet. Which type of computer system should you
recommend?
A. Thin client
B. Standard thick client
C. Audio/video workstation
D. Gaming PC
E. HTPC - ANSWER: A. Thin client
A customer running Windows 10 Pro wishes to install a Linux VM in Hyper-V
Manager. Which of the following requirements must be met in order for this to
happen? (Select all that apply).
A. Update and secure the host system
B. Virtualization must be enabled in the UEFI/BIOS
C. Hyper-V needs to be turned on in Window Features
,D. Restart the system - ANSWER: B. Virtualization must be enabled in the
UEFI/BIOS
C. Hyper-V needs to be turned on in Windows Features
D. Restart the system
A desktop computer (named workstation22) can't connect to the network. A network
card was purchased without documentation or driver discs. Which of the following is
the best way to install the network card driver?
A. Purchase the disc online and install
B. Run Windows update to install the drivers
C. From the desktop computer (workstation22), download and install the drivers.
D. Copy the driver to a flash drive and install. - ANSWER: D. Copy the driver to a
flash drive and install
A laptop's battery fails to charge. Which of the following should be checked first?
A. DC-in jack'
B. AC-in jack
C. CMOS battery
D. AC circuit breaker - ANSWER: A. DC-in jack
A monitor's on-screen display (OSD) indicates that the proper video source has been
selected, yet no image is displayed. Which of the following are the most likely
causes? (Select the two best answers.)
A. The monitor's brightness setting is too low.
B. The monitor's backlight has failed.
C. There is no device sending video.
D. The source cable has been disconnected.
E. The monitor's contrast setting is too high. - ANSWER: C. There is no device
sending video.
D. The source cable has been disconnected
A PC reboots without any warning. You ruled out any chance of viruses. When you
look at the motherboard, you see that some of the capacitors appear distended and
out of shape. What should you do?
A. Replace the motherboard
B. Replace the hard drive
C. Remove and replace the capacitors
D. Reconfigure the BIOS - ANSWER: A. Replace the motherboard
, A PC's network adapter has a link light that is lit, but the PC can't access internal
network resources. Which of the following is the most likely cause of this issue?
A. IP address conflict
B. Incorrect gateway
C. Packet collisions
D. Slow transfer speed - ANSWER: A. IP address conflict
A user calls you and tells you that his computer won't boot and that there is a faint
smell of something burning. Which tool should be used to identify the problem?
A. Loopback'
B. Cable tester
C. PSU tester
D. ESD strap - ANSWER: C. PSU tester
A user can receive e-mail but cannot send any. Which protocol is not configured
properly?
A. POP3
B. FTP
C. SMTP
D. SNMP - ANSWER: C. SMTP
A user complains that the computer is not connecting to the network. Which of the
following should be done first?
A. Use ipconfig / all
B. Ping the router
C. Check the patch cable
D. Check the network drivers - ANSWER: C. Check the patch cable
A user doesn't see anything on his laptop's screen. He tries to use AC power and
thinks that the laptop is not receiving any. Which of the following are two possible
reasons for this? (Select the two best answers.)
A. He is using an innocent AC adapter
B. The AC adapter is not connected to the laptop.
C. Windows won't boot.
D. The battery is dead - ANSWER: A. He is using an incorrect AC adapter.
B. The Ac adapter is not connected to the laptop.
A user moves a laptop one office to another. The patch cable and the network
adapter do not appear to be working properly at the new office. The cable is plugged
