Free 220-1001 Sample Questions — CompTIA A+ Certification Exam: Core 1

Free 220-1001 sample questions for the CompTIA A+ Certification Exam: Core 1 exam. No account required: study at your own pace.

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Question 1

A technician wants to block remote logins to a server. Which of the following ports should be blocked?

  • A. 21
  • B. 53
  • C. 80
  • D. 443
Show Answer
Correct Answer:
B. 53
Question 2

A developer wants to be able to run a virtual machine on a desktop for application testing. Which of the following should a technician implement to complete this request?

  • A. KVM
  • B. Thin client
  • C. Remote desktop
  • D. Type 2 hypervisor
Show Answer
Correct Answer:
D. Type 2 hypervisor
Question 3

An administrator notices the RAID 5 array is reporting a degraded health message. It contains three HDDs. A technician replaces the faulty HDD with a new one, but users then report access to the fileshare is not as fast as it used to be. Which of the following is MOST likely preventing the RAID array from operating optimally?

  • A. The mirrored set is broken
  • B. Write caching has been turned on
  • C. The wrong drive was replaced
  • D. The RAID array is rebuilding
Show Answer
Correct Answer:
D. The RAID array is rebuilding
Question 4

A user logs on a PC and receives a message stating there is a duplicate IP address on the network. After a system restart, the user notices the same error. Which of the following is the MOST probable cause of the error?

  • A. The user is still logged into another device
  • B. The user has set a static IP address
  • C. The user has moved to a different office
  • D. The user has wireless and wired connections
Show Answer
Correct Answer:
B. The user has set a static IP address
Question 5

A technician is setting up a VM for use in testing software deployments. The VM is offline, but the hypervisor is not. Which of the following settings should the technician change to resolve this issue?

  • A. Virtual security
  • B. Virtual storage
  • C. Virtual CPU
  • D. Virtual switch
  • E. Virtual RAM
Show Answer
Correct Answer:
D. Virtual switch
Question 6

Which of the following peripherals would be the BEST option for a company that wants to be able to display a receipt and allow a customer to sign it?

  • A. Touchpad
  • B. Signature pad
  • C. Touch-screen monitor
  • D. NFC reader
Show Answer
Correct Answer:
C. Touch-screen monitor
Question 7

A user is experiencing slow performance on a workstation. A technician investigates and speculates the performance issue is being caused by an excessive number of background services running at startup. The technician troubleshoots the issue, and then finds and disables many services that have been running at startup. Next, the technician informs the user the remediation is complete. The following morning, the technician receives a call from the same user reporting performance is still slow. Which of the following troubleshooting steps did the technician MOST likely fail to complete?

  • A. Establish a theory of probable cause
  • B. Identity the problem
  • C. Verify full system functionality
  • D. Document findings, actions, and outcomes
Show Answer
Correct Answer:
C. Verify full system functionality
Question 8

Whenever a user's machine is turned on, a black screen appears prompting the user for an administrative password. The technician has no such password on file for this machine. Which of the following steps should the technician take to resolve this issue?

  • A. Press and hold the CPU power button for five seconds, and then power back on
  • B. Disconnect and reconnect the internal hard drive
  • C. Remove the CMOS battery and reinsert it after ten seconds
  • D. Remove the motherboard and place it back into the machine after ten minutes
Show Answer
Correct Answer:
C. Remove the CMOS battery and reinsert it after ten seconds
Question 9

An organization keeps receiving spam that appears to come from its own domain. No accounts have been compromised. Which of the following will BEST mitigate this issue?

  • A. DNS
  • B. S/MIME
  • C. SPF
  • D. SSID
Show Answer
Correct Answer:
C. SPF
Question 10

A user wants to add static storage to a laptop and is unable to physically take it apart. Which of the following would be the BEST solution?

  • A. USB drive
  • B. Optical drive
  • C. Network the share
  • D. Cloud storage
Show Answer
Correct Answer:
D. Cloud storage
Question 11

A technician has assembled an ITX system with a modern processor, but the machine does not POST. The processor fan spins up, and the LEDs on the motherboard light up, but no beeps are emitted by the system. Which of the following is the MOST likely cause of this issue?

  • A. An incompatible NVMe SSD is installed
  • B. An incompatible memory type is installed
  • C. The wrong generation CPU is installed
  • D. faulty hard drive is installed
Show Answer
Correct Answer:
C. The wrong generation CPU is installed
Question 12

A user purchased a processor to upgrade a computer. After the installation, the computer no longer boots, but everything appears to be installed correctly. Which of the following should the user have done prior to installing the new processor? (Choose two.)

  • A. Run a Windows Update
  • B. Verify the power requirements of the new CPU
  • C. Purchase a high-efficiency cooling system
  • D. Disable Secure Boot
  • E. Check for BIOS updates
  • F. Reinstall the operating system
Show Answer
Correct Answer:
  • B. Verify the power requirements of the new CPU
  • E. Check for BIOS updates
Question 13

A server needs a RAM upgrade, and a technician has been tasked with retrieving the RAM from storage and then installing it. Which of the following is the BEST RAM type for the technician to retrieve?

  • A. SoDIMM
  • B. DDR4
  • C. Single channel
  • D. ECC
Show Answer
Correct Answer:
D. ECC
Question 14

A printer is printing all jobs in portrait mode, and the user needs to change it to landscape mode only. Which of the following settings should the user modify on the printer?

  • A. Orientation
  • B. Quality
  • C. Collate
  • D. Duplex
Show Answer
Correct Answer:
A. Orientation
Question 15

A client brings in a smartphone with a cracked screen to be repaired. During the repair process, the technician places the screws in a small container to prevent losing them. The technician tests the replacement screen to ensure it works property before closing the device. Once the device is back together, however it does not power on.

  • A. Label the locations of the screws
  • B. Refer to manufacturer resources
  • C. Document the orientation of the cables
  • D. Use the appropriate hand tools
Show Answer
Correct Answer:
A. Label the locations of the screws
Question 16

Joe, a user, reports that airplane mode is enabled on his smartphone when he is flying. Joe wants to be able to use the airline's Internet service without disabling airplane mode. Which of the following can Joe perform to achieve this goal?

  • A. Pair the smartphone with an LTE hotspot
  • B. Enable WiFi after enabling airplane mode
  • C. Install the airline's official mobile application
  • D. Set up tethering to a personal laptop
Show Answer
Correct Answer:
B. Enable WiFi after enabling airplane mode
Question 17

A network administrator is deploying virtualization software to several desktop computers. Some of the installations fail because a processor function is disabled in the computer's BIOS. Which of the following functions should be turned on for the installation to succeed?

  • A. Trusted Platform Module
  • B. VNC
  • C. Hyperthreading
  • D. VT-x
Show Answer
Correct Answer:
D. VT-x
Question 18

A user in a multitenant office building is having issues connecting to company printers and shares but is able to connect to the Internet via WiFi. Which of the following should a technician do FIRST when troubleshooting this issue?

  • A. Check which SSID is in use
  • B. Test the connections with an Ethernet cable
  • C. Install all OS updates
  • D. Update the wireless NIC drivers
Show Answer
Correct Answer:
A. Check which SSID is in use
Question 19

Joe, a user, recently installed a new mouse for his laptop. Joe no longer uses a mouse pad because his office desk has a glass top. Joe notices that when he is at the office, the cursor moves on the screen when he does not move the mouse; however, it works fine when he is traveling. Which of the following is MOST likely cause?

  • A. The device drivers are outdated
  • B. Bluetooth is disabled
  • C. The mouse is faulty
  • D. The surface is too reflective
Show Answer
Correct Answer:
D. The surface is too reflective
Question 20

Which of the following cables can carry both a digital and an analog signal?

  • A. DVI-I
  • B. HDMI
  • C. DisplayPort
  • D. DVI-D
Show Answer
Correct Answer:
A. DVI-I

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