CompTIA A+ Core 1 (220-1101) Practice Test | Actual Exam 2025/2026 Edition – 500 Verified Questions with Correct Answers (100% Exam-Focused | Graded A+)

CompTIA A+ Core 1 (220-1101) Practice
Test | 2025/2026 Edition
500 Verified Practice Questions with Correct Answers | 100% Exam-
Focused | Graded A+

Introduction
This resource provides 500 realistic and verified practice questions for the CompTIA A+
Core 1 (220-1101) exam, updated for the 2025/2026 testing cycle. It is designed to align
with current CompTIA exam objectives fully, helping candidates pass on their first attempt
through focused, scenario-based, and multiple-choice questions.

Topics Covered

• Mobile Devices (15%): Laptops, tablets, smartphones, configuration, and
troubleshooting.
• Networking (20%): TCP/IP, ports, protocols, SOHO setups, wireless standards.
• Hardware (27%): PC hardware, components, peripherals, printers.
• Virtualization and Cloud Computing (11%): Types, uses, deployment models.
• Hardware and Network Troubleshooting (27%): Diagnostics, tools, best practices.

Answer Format
All correct answers are clearly indicated in bold and green. Each question is accompanied by
an explanation or rationale, making this resource ideal for targeted review and retention.

CompTIA A+ Core 1 (220-1101) Practice Questions
Domain 1.0: Mobile Devices (15%)

Question 1: What is the primary function of a laptop's BIOS?
A) Manage network connections
B) Initialize hardware during boot
C) Run application software
D) Store user data
Explanation: BIOS initializes and tests hardware components during the boot process.
(Domain 1.0)

Question 2: What is a common symptom of a failing laptop battery?
A) Slow network speed
B) Rapid power drain
C) Blue screen errors
D) Overheating CPU

,Explanation: A failing battery causes rapid power loss or failure to hold a charge. (Domain
1.0)

Question 3: Which type of RAM is commonly used in modern laptops?
A) SDRAM
B) DDR3
C) DDR4
D) RDRAM
Explanation: DDR4 is widely used in modern laptops for better performance. (Domain 1.0)

Question 4: What is a common cause of a "no display" issue on a laptop?
A) Faulty RAM
B) Loose display cable
C) Failed SSD
D) Overheating CPU
Explanation: A loose display cable often causes no display output. (Domain 1.0)

Question 5: How do you enable Wi-Fi on a smartphone?
A) Update the OS
B) Toggle Wi-Fi in settings
C) Replace the battery
D) Reboot the device
Explanation: Wi-Fi is enabled via the settings menu on a smartphone. (Domain 1.0)

Question 6: What is a common fix for a frozen laptop screen?
A) Replace the CPU
B) Perform a hard reset
C) Update the BIOS
D) Reinstall the OS
Explanation: A hard reset resolves temporary freezes by restarting the system. (Domain 1.0)

Question 7: What is a common cause of laptop overheating?
A) Faulty RAM
B) Blocked cooling vents
C) Failed SSD

,D) Loose display cable
Explanation: Blocked vents prevent proper airflow, causing overheating. (Domain 1.0)

Question 8: Which connector is used for charging modern smartphones?
A) Mini-USB
B) Micro-USB
C) USB-C
D) Lightning
Explanation: USB-C is the standard for most modern smartphones. (Domain 1.0)

Question 9: What is the purpose of a digitizer in a tablet?
A) Process data
B) Handle touch input
C) Store data
D) Connect to Wi-Fi
Explanation: The digitizer converts touch input into digital signals. (Domain 1.0)

Question 10: How do you synchronize data between a smartphone and a PC?
A) Replace the battery
B) Use cloud services or USB
C) Update the BIOS
D) Reinstall the OS
Explanation: Cloud services or USB connections enable data synchronization. (Domain 1.0)

Question 11: What is a common symptom of a failing touchscreen?
A) Slow Wi-Fi
B) Unresponsive touch areas
C) Blue screen errors
D) Overheating
Explanation: Unresponsive areas indicate a failing touchscreen or digitizer. (Domain 1.0)

Question 12: Which component is used to upgrade laptop storage?
A) CPU
B) SSD
C) GPU

, D) PSU
Explanation: SSDs are commonly used to upgrade laptop storage. (Domain 1.0)

Question 13: What is a common cause of poor battery life on a tablet?
A) Faulty RAM
B) Background apps
C) Failed GPU
D) Loose cable
Explanation: Background apps consume power, reducing battery life. (Domain 1.0)

Question 14: What is the purpose of a laptop docking station?
A) Cool the CPU
B) Expand connectivity options
C) Store data
D) Update software
Explanation: Docking stations provide additional ports and connectivity. (Domain 1.0)

Question 15: What is a common fix for a laptop keyboard not responding?
A) Replace the SSD
B) Check for driver updates
C) Update the BIOS
D) Reinstall the OS
Explanation: Driver updates can resolve keyboard issues. (Domain 1.0)

Question 16: Which display type is common in modern smartphones?
A) CRT
B) LCD
C) OLED
D) Plasma
Explanation: OLED displays are common for their vibrant colors and efficiency. (Domain
1.0)

Question 17: What is a common cause of a laptop failing to charge?
A) Faulty RAM
B) Damaged charging port