CompTIA Hardware Practice 2

Question 1

A technician needs to install additional RAM in a laptop that only has one SODIMM slot occupied.
The existing module is DDR4-3200 8GB.
Which action should the technician take to maximize compatibility?

Accepted Answer

Install an identical DDR4-3200 8GB module in the second slot

Answer

Install any DDR4 module regardless of speed

Answer

Replace the existing module with a single 32GB DDR5 module

Answer

Install a DDR3 module since it fits the same slot

Question 2

Which connector type is used to provide supplemental power to high-end PCIe graphics cards?

Accepted Answer

PCIe 6-pin or 8-pin connector

Answer

SATA power connector

Answer

Molex 4-pin connector

Answer

EPS 12V connector

Question 3

A user reports their PC powers on but displays nothing on the monitor. The GPU fan spins. What should the technician check first?

Accepted Answer

Reseat the GPU in the PCIe slot

Answer

Replace the monitor

Answer

Update the BIOS firmware

Answer

Replace the power supply

Question 4

What is the primary purpose of thermal paste applied between a CPU and its heatsink?

Accepted Answer

Fill microscopic air gaps to improve thermal conductivity

Answer

Electrically insulate the CPU from the heatsink

Answer

Permanently bond the heatsink to the CPU

Answer

Prevent electrostatic discharge

Question 5

A technician is replacing a failed 2.5-inch SATA SSD in a desktop. The motherboard only has M.2 slots available. What is the best solution?

Accepted Answer

Install an M.2 SATA SSD in one of the M.2 slots

Answer

Use a SATA to USB adapter externally

Answer

The desktop cannot support any SSD without SATA ports

Answer

Install a PCIe x1 card with SATA ports

Question 6

Which tool should a technician use to safely discharge static electricity before handling internal PC components?

Accepted Answer

Antistatic wrist strap connected to chassis ground

Answer

Rubber gloves

Answer

Cotton gloves

Answer

Insulated screwdriver

Question 7

A desktop PC fails to boot and emits a series of beep codes. What does the beep code system indicate?

Accepted Answer

POST hardware diagnostic codes indicating a specific failure

Answer

The operating system has a critical error

Answer

The CPU cooling fan has failed

Answer

The CMOS battery needs replacement