CompTIA A+ Core 1 Exam (2026) (220-1201) Free Practice Test

Question 1

Which of the following is used to confirm that a physical port is working?

A. Patch panel

B. Network tap

C. Loopback plug

D. Crimper

Correct Answer: C

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Question 2

A user is setting up a gaming PC with multiple GPUs to play highly advanced games. The user's primary concern is that the power supply is sufficient to support these tasks while allowing for future upgrades. Which of the following power supply configurations should the user select?

A. Redundant

B. Low wattage

C. Non-modular

D. Multiple-rail

Correct Answer: D

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Question 3

A technician must install additional RAM in a desktop computer. Which of the following types of RAM will the technician most likely use?

A. Registered

B. Static

C. DIMM

D. ECC

Correct Answer: C

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Question 4

Which of the following allows an organization to provide remote desktop resources without providing physical workstations to its users?

A. VDI

B. RMM

C. SaaS

D. Containers

Correct Answer: A

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Question 5

A user reports slow internet browsing. The technician finds high CPU and memory usage, and pop- ups occur every minute.
Which of the following should the technician do next?

A. Check the wireless settings and validate the DHCP configuration.

B. Update the anti-malware signatures and scan the system.

C. Download and install the latest drivers.

D. Escalate to the network team to check end-to-end connectivity.

Correct Answer: B

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Question 6

An IT specialist sets up a new computer for a user who requires a high-end video card and the fastest hard drive possible. Which of the following connectors should the specialist verify are available on the motherboard? (Choose two)

A. NVMe

B. Molex

C. SATA

D. USB-C

E. FireWire

F. PCIe

Correct Answer: A,F

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Question 7

A data center technician notices that one of the servers in a RAID 5 configuration is experiencing slow performance. A message in the server logs indicates a degraded RAID array. Which of the following actions should the technician take to address the degraded RAID array?

A. Perform a disk defragmentation on all drives.

B. Reseat all existing drives to improve connection.

C. Change the RAID configuration to RAID 6.

D. Replace the failed drive with a new one.

Correct Answer: D

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Question 8

Following a power outage, a laptop will not turn on. Which of the following should a technician replace first to resolve the issue?

A. The inverter

B. The battery

C. The RAM

D. The AC adapter

Correct Answer: D

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Question 9

Which of the following is a characteristic of an NVMe drive?

A. M.2 interface

B. 7,200rpm

C. 3.5in (8.9cm) external

D. Molex connector

Correct Answer: A

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Question 10

Which of the following is used to register inputs on a touch-screen monitor?

A. LCD

B. Inverter

C. Digitizer

D. OLED

Correct Answer: C

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Question 11

A technician is troubleshooting a desktop PC that is plugged into a UPS. The PC loses the system date/time after every power outage.
Which of the following should the technician do to resolve the issue? (Choose two.)

A. Swap out the RAM.

B. Repair the backup power source.

C. Disable NTP in the OS.

D. Install a surge protector.

E. Run a BIOS update.

F. Replace the CMOS battery

Correct Answer: B,F

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Question 12

A technician needs to ensure all data communications on all network devices are encrypted when logging in to the console.
Which of the following protocols should the technician enable?

A. FTPS

B. LDAP

C. SMTP

D. SSH

Correct Answer: D

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Question 13

A company purchases a SOHO router for a small office. The new router does not have DHCP.
Which of the following address types should the company use so that all computers can communicate on the network?

A. IPv6

B. Static

C. Dynamic

D. Public

Correct Answer: B

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Question 14

Which of the following devices forwards traffic based on MAC addresses?

A. Firewall

B. Switch

C. Router

D. Gateway

Correct Answer: B

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Question 15

Which of the following best describes the purpose of a firewall?

A. To block unwanted traffic

B. To route network packets locally

C. To connect to Wi-Fi

D. To assign IP addresses

Correct Answer: A

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CompTIA A+ Core 1 Exam (2026) (220-1201) Free Practice Test