1|Page
COMPTIA A+ 220-901 | COMPREHENSIVE Q&A
FOR GUARANTEED SUCCESS
A user has downloaded an image file and needs to install an application from the
image. When trying to execute or open the file, an error is displayed. Which of the
following should the user perform?
A. Download a different file from the website
B. Rename the extension of the file to a known extension
C. Verify the MD5 hash of the downloaded file
D. Mount the file as an emulated DVD-correct-answer-D. Mount the file as an
emulated DVD
A customer asks a technician for a device that has the capability to easily connect
a laptop to an external monitor, keyboard, mouse, and charge the battery. Which
of the following devices should the technician recommend to the customer?
A. Lightning
B. KVM switch
C. USB 3.0
D. Docking station-correct-answer-D. Docking station
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A technician is working on a laptop with a failed Ethernet port caused by ESD.
Which of the following is the simplest solution to restore network connectivity?
A. Re-solder the network connector
B. Replace the Ethernet daughter board
C. Update the Ethernet driver
D. Enable wireless and connect to the WAP-correct-answer-D. Enable wireless and
connect to the WAP
When a technician is planning to replace a laptop hard drive, the technician will
need to:
A. select a drive that is the correct form factor.
B. choose the correct drive cache size for the laptop.
C. also upgrade the memory.
D. verify voltage requirements.-correct-answer-A. select a drive that is the correct
form factor.
A laptop logon screen can barely be seen, despite adjusting the display's
brightness setting. Which of the following display components is defective?
A. Backlight
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B. Digitizer
C. Inverter
D. Polarizer-correct-answer-A. Backlight
A network technician has been tasked with deploying new VoIP phones on a
network. When the technician plugs the Ethernet cable for the phone into the wall
port, the phone fails to turn on. When the technician plugs the Ethernet cable
directly into the computer, the computer is able to access the network. Which of
the following is the MOST likely cause of this issue?
A. The network switch does not support PoE
B. The technician is connecting the phone to the wrong type of port
C. The firewall on the network is blocking access to the DHCP server
D. The Ethernet cable is the wrong type-correct-answer-A. The network switch
does not support PoE
A technician cannot communicate with one particular IP address and needs to
narrow down where the traffic is stopping.
Which of the following commands would be used to determine this?
A. nslookup
B. ipconfig
C. nbtstat
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D. ping
E. tracert-correct-answer-E. Tracert
A user reports that a workstation fails to complete boot up and repeats a series of
two beeps over and over. The user states that the workstation had been displaying
BSOD errors after running multiple applications. Which of the following is the
MOST likely cause?
A. Video adapter failure
B. Memory failure
C. Power supply failure
D. CPU failure-correct-answer-B. Memory failure
A technician is troubleshooting a desktop that is having intermittent issues with
locking up and system errors. The technician suspects that the problem might be
that not enough power is getting to the motherboard. Which of the following
tools would a technician use to determine if the hypothesis is correct?
A. POST card
B. Loopback plug
C. Multimeter
D. Cable tester-correct-answer-C. Multimeter
COMPTIA A+ 220-901 | COMPREHENSIVE Q&A
FOR GUARANTEED SUCCESS
A user has downloaded an image file and needs to install an application from the
image. When trying to execute or open the file, an error is displayed. Which of the
following should the user perform?
A. Download a different file from the website
B. Rename the extension of the file to a known extension
C. Verify the MD5 hash of the downloaded file
D. Mount the file as an emulated DVD-correct-answer-D. Mount the file as an
emulated DVD
A customer asks a technician for a device that has the capability to easily connect
a laptop to an external monitor, keyboard, mouse, and charge the battery. Which
of the following devices should the technician recommend to the customer?
A. Lightning
B. KVM switch
C. USB 3.0
D. Docking station-correct-answer-D. Docking station
,2|Page
A technician is working on a laptop with a failed Ethernet port caused by ESD.
Which of the following is the simplest solution to restore network connectivity?
A. Re-solder the network connector
B. Replace the Ethernet daughter board
C. Update the Ethernet driver
D. Enable wireless and connect to the WAP-correct-answer-D. Enable wireless and
connect to the WAP
When a technician is planning to replace a laptop hard drive, the technician will
need to:
A. select a drive that is the correct form factor.
B. choose the correct drive cache size for the laptop.
C. also upgrade the memory.
D. verify voltage requirements.-correct-answer-A. select a drive that is the correct
form factor.
A laptop logon screen can barely be seen, despite adjusting the display's
brightness setting. Which of the following display components is defective?
A. Backlight
,3|Page
B. Digitizer
C. Inverter
D. Polarizer-correct-answer-A. Backlight
A network technician has been tasked with deploying new VoIP phones on a
network. When the technician plugs the Ethernet cable for the phone into the wall
port, the phone fails to turn on. When the technician plugs the Ethernet cable
directly into the computer, the computer is able to access the network. Which of
the following is the MOST likely cause of this issue?
A. The network switch does not support PoE
B. The technician is connecting the phone to the wrong type of port
C. The firewall on the network is blocking access to the DHCP server
D. The Ethernet cable is the wrong type-correct-answer-A. The network switch
does not support PoE
A technician cannot communicate with one particular IP address and needs to
narrow down where the traffic is stopping.
Which of the following commands would be used to determine this?
A. nslookup
B. ipconfig
C. nbtstat
, 4|Page
D. ping
E. tracert-correct-answer-E. Tracert
A user reports that a workstation fails to complete boot up and repeats a series of
two beeps over and over. The user states that the workstation had been displaying
BSOD errors after running multiple applications. Which of the following is the
MOST likely cause?
A. Video adapter failure
B. Memory failure
C. Power supply failure
D. CPU failure-correct-answer-B. Memory failure
A technician is troubleshooting a desktop that is having intermittent issues with
locking up and system errors. The technician suspects that the problem might be
that not enough power is getting to the motherboard. Which of the following
tools would a technician use to determine if the hypothesis is correct?
A. POST card
B. Loopback plug
C. Multimeter
D. Cable tester-correct-answer-C. Multimeter
