CompTIA A+ Certification Practice Test

Free 5-question sample test with instant feedback. See how ready you are.

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Sample Questions

Question 1

What CPU socket type does Intel use for its 12th and 13th generation (Alder Lake/Raptor Lake) desktop processors?

Answer: LGA1700. This socket uses 1700 land grid array contacts on the motherboard and is not backward compatible with older Intel sockets.

Question 2

What is the primary function of the Northbridge chip in a traditional motherboard chipset?

Answer: The Northbridge handles high-speed communication between the CPU, RAM, and GPU. It manages the front-side bus and has largely been integrated into modern CPUs.

Question 3

What term describes the CPU feature that allows a single physical core to handle two simultaneous threads?

Answer: Hyper-Threading (Intel) or Simultaneous Multi-Threading (SMT for AMD). This technology presents each physical core as two logical processors to the operating system.

Question 4

What is the purpose of thermal paste when installing a CPU cooler?

Answer: Thermal paste fills microscopic air gaps between the CPU heat spreader and the cooler base, improving thermal conductivity and preventing overheating.

Question 5

Which motherboard form factor measures 9.6 × 9.6 inches and is the most common standard for full-featured desktop builds?

Answer: ATX (Advanced Technology eXtended). ATX boards typically support multiple PCIe slots, four or more RAM slots, and numerous I/O connectors.