comptia a+ practice test Practice Exam: Test Your Knowledge 2025

A technician is replacing a cracked screen on a smartphone. After disassembly, the technician notices the battery is swollen. What should the technician do FIRST?

A user reports that their laptop connects to the wireless network at home but cannot connect to the corporate wireless network at the office. Other employees can connect successfully. Which of the following is the MOST likely cause?

A technician needs to install additional RAM in a desktop computer. The motherboard has four DIMM slots and currently has two 8GB modules installed in slots 1 and 2. To maximize performance, where should the technician install two additional 8GB modules?

A small business wants to allow employees to access company applications from personal devices without managing the entire device. Which mobile deployment model should be implemented?

A company is moving their email server to a cloud service where the provider manages the application, but the company manages their own email data and user accounts. Which cloud service model is being used?

A user reports their computer makes three long beeps during startup and does not display anything on the monitor. What component is MOST likely failing?

A technician is configuring a new router for a small office. The ISP has provided a static IP address. Which of the following should be configured on the WAN interface?

A technician is building a high-end gaming computer and needs to select a power supply. The system includes a high-performance CPU drawing 125W and a graphics card requiring 350W. Which power supply rating should the technician select?

An office has several users reporting intermittent network connectivity issues. The technician discovers that only devices connected to ports 12-24 on a 24-port switch are affected. The switch shows no error lights. What should the technician do FIRST?

A user's smartphone battery drains rapidly and the device feels warm to the touch even when not actively in use. Which of the following should a technician recommend FIRST?

A company needs to virtualize several servers to reduce hardware costs. Each virtual machine needs guaranteed CPU and memory resources. Which of the following virtualization types should be implemented?

A user reports that printed documents have a repeating defect appearing at regular intervals down the page. What is the MOST likely cause?

A technician needs to configure a network for a client that will have public-facing web servers and internal workstations. Which network topology provides the BEST security?

A technician is installing an M.2 SSD into a laptop. The drive is not recognized in BIOS. Which of the following is the MOST likely cause?

A user cannot access any network resources but can successfully ping the local gateway. Other users on the same subnet are not experiencing issues. What should the technician check NEXT?

A company wants to replace their aging desktop computers with a solution that allows users to access their desktop environment from any device while minimizing local hardware requirements. Which solution would BEST meet these requirements?

A technician is troubleshooting a desktop that powers on but displays nothing on the monitor. The monitor is confirmed working. The computer beeps once during startup. Which component should the technician check FIRST?

A technician needs to configure a wireless router for a home office. The client works with sensitive data and wants the strongest wireless security available. Which configuration should be implemented?

A user reports their laptop screen is very dim but still shows an image when viewed closely. An external monitor connected to the laptop displays normally. What is the MOST likely cause?

A technician is installing a new PCIe x16 graphics card into a computer that has a PCIe 3.0 x16 slot. The graphics card is PCIe 4.0 compatible. Which statement is correct regarding this installation?