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CompTIA A+ Core 1 2024 past questions and answers

This 2024 CompTIA A+ Core 1 set has 20 practice questions. Try these 5 free sample questions, tap a question to reveal the answer and explanation. Then practise the whole 2024 set with instant marking.

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Sample CompTIA A+ Core 1 2024 questions

1. A technician replaces a laptop's display panel. The image is visible, but the screen no longer registers finger touches. Which component is most likely faulty?
  1. Backlight
  2. Digitizer
  3. Webcam
  4. Wireless card

Answer: B. Digitizer

The digitizer senses touch input and passes its coordinates to the system. A failed backlight would affect illumination, not touch detection.

2. A smartphone has no 3.5 mm audio jack. Which accessory lets its owner use a wired headset with a 3.5 mm plug?
  1. USB-C Ethernet adapter
  2. USB-A to USB-C cable
  3. Wireless charging pad
  4. USB-C to 3.5 mm audio adapter

Answer: D. USB-C to 3.5 mm audio adapter

A compatible USB-C-to-3.5 mm audio adapter connects the wired headset to the phone's USB-C port. An Ethernet adapter, charging pad, or ordinary USB cable does not provide the required analog headset connection.

3. A technician configures a 2.4 GHz access point in an office using the commonly recommended non-overlapping channel plan in the United States. Which set should be used?
  1. Channels 2, 7, and 12
  2. Channels 3, 8, and 13
  3. Channels 1, 6, and 11
  4. Channels 4, 9, and 14

Answer: C. Channels 1, 6, and 11

Channels 1, 6, and 11 are the commonly used non-overlapping 2.4 GHz channels in the United States. The other sets include overlapping channels or channel 14, which is not generally available for use in the United States.

4. A Windows workstation shows an IPv4 address of 169.254.44.8 and no default gateway after restarting. What is the most likely cause?
  1. The workstation could not obtain an address from a DHCP server
  2. The DNS server returned an incorrect hostname
  3. The workstation has connected to a VPN successfully
  4. The switch assigned a static public address

Answer: A. The workstation could not obtain an address from a DHCP server

A 169.254.0.0/16 address is an APIPA link-local address that a Windows client can self-assign when DHCP is unavailable. A DNS error would not normally cause this address, and APIPA is not a public static address.

5. A technician is installing an M.2 NVMe SSD in a motherboard slot labeled M.2 PCIe x4. Which interface does the drive use in this slot?
  1. SATA data
  2. PCIe
  3. PCIe x16 graphics
  4. DIMM memory

Answer: B. PCIe

An NVMe M.2 drive communicates over PCIe lanes; the stated slot provides a PCIe x4 connection. SATA data is a different storage interface, while PCIe x16 and DIMM refer to other slot types.

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