SkillTestPro | CompTIA A+ Core 1 Practice Test 20

CompTIA A+ Core 1 Practice Test 20

CompTIA A+ Core 1 Quizzes

1 / 20

A user reports their external monitor is flickering when connected via HDMI. What is the most likely cause?

An unsupported file system format

Incorrect RAM timing settings

An outdated printer driver

A damaged HDMI cable

A corrupt BIOS firmware

2 / 20

A technician notices a desktop CPU running at unusually high temperatures. What should they check first?

BIOS boot order

Thermal paste application

GPU driver version

Hard drive partition type

Ethernet speed

3 / 20

A user wants to enable BitLocker on their laptop, but the option is unavailable. What is the likely cause?

The laptop's GPU is outdated

TPM is disabled in BIOS

The screen brightness is too high

The power supply is failing

The firewall is disabled

4 / 20

A technician is troubleshooting a laptop where the touchpad is unresponsive. What should they check first?

The Wi-Fi connection

The screen resolution settings

Touchpad is enabled in BIOS

The printer queue

The hard drive SMART status

5 / 20

A technician is installing a second monitor on a workstation but receives "No Signal" on the new display. What should they check first?

Ensure the correct input source is selected on the monitor

Change the computer’s power settings

Disable Secure Boot

Replace the CPU cooler

Change the motherboard

6 / 20

A desktop computer fails to boot and displays a “No Bootable Device Found” error. What is the first step to troubleshoot this issue?

Replace the graphics card

Check the boot order in BIOS

Lower the CPU clock speed

Disable Windows Defender

Reinstall the printer drivers

7 / 20

A technician is troubleshooting a laptop that randomly disconnects from Wi-Fi. What is the most likely cause?

The laptop screen is too bright

The network card is overheating

Power-saving mode is disabling the wireless adapter

The Ethernet cable is unplugged

The keyboard is malfunctioning

8 / 20

A technician is setting up a home office and needs the fastest wired network connection. Which cable type should they choose?

Cat 5e

Coaxial

Fiber Optic

HDMI

Cat 6a

9 / 20

A user is experiencing frequent blue screen errors after a recent RAM upgrade. What should the technician do first?

Reinstall Windows

Change the boot sequence

Update the printer drivers

Reseat the RAM modules

Disable Wi-Fi

10 / 20

A technician is setting up a RAID 1 array. What is the primary benefit of this configuration?

Increased speed

Additional storage capacity

Data redundancy

Lower power consumption

Compatibility with legacy software

11 / 20

A PC fails to recognize a USB flash drive. What should be checked first?

Try a different USB port

Replace the system’s CMOS battery

Disable Secure Boot

Run a defragmentation process

Update the GPU driver

12 / 20

A technician is configuring a laptop for use in a country with a different power standard. What must be checked before plugging it in?

The laptop’s CPU temperature

The screen refresh rate

The laptop's BIOS firmware version

Voltage and frequency of the power adapter

The laptop’s printer settings

13 / 20

A user reports poor Wi-Fi connectivity in certain areas of an office. What is the best solution?

Enable Bluetooth

Install a wireless access point (WAP)

Lower the display resolution

Upgrade to a higher-capacity SSD

Change the default gateway

14 / 20

A technician is troubleshooting a desktop that intermittently powers off. Which component is the most likely cause?

Optical drive

Sound card

Power supply unit (PSU)

Case fans

Printer driver

15 / 20

A technician is installing an M.2 NVMe SSD in a laptop but finds that the SSD does not fit in the available slot. What is the most likely issue?

The slot supports only SATA M.2 SSDs

The SSD is formatted incorrectly

The laptop does not have TPM enabled

The BIOS needs to be updated

The laptop battery is low

16 / 20

A user complains their laptop battery drains too fast. What is the best solution to extend battery life?

Replace the hard drive with an HDD

Lower the screen brightness

Set the CPU to maximum performance mode

Keep the laptop plugged in at all times

Use a higher voltage charger

17 / 20

A technician replaces a failing power supply in a desktop. After installation, the PC does not power on. What is the most likely reason?

The BIOS needs to be reset

The CPU is overheating

The RAM is incompatible

The 24-pin motherboard connector is not properly seated

The GPU is overclocked

18 / 20

A user needs to upgrade their workstation for high-speed video editing. Which upgrade provides the most significant performance boost?

Additional USB ports

Blu-ray drive

Ethernet cable upgrade

Higher resolution monitor

NVMe SSD

19 / 20

A laptop has no audio from the built-in speakers but works when headphones are plugged in. What is the most likely cause?

Corrupt graphics drivers

A disabled network adapter

A faulty internal speaker connection

An unsupported file system format

Low battery levels

20 / 20

A technician is troubleshooting a workstation that powers on but does not display anything on the monitor. The fans and LEDs are functioning. What should be checked first?

Reinstalling the operating system

Reseating the RAM modules

Resetting the CMOS battery

Running a disk check

Changing the boot order

Your score is

The average score is 80%