CompTIA Tech+ (FC0-U71) Practice Test 2026

1. In cybersecurity, what is phishing?

A type of malware that corrupts files

An attempt to deceive users into revealing sensitive information

A method to increase internet bandwidth

A technique for optimizing database performance

2. A user experiences slow internet speeds. Which tool would you use to diagnose network connectivity issues?

Ping command

Task Manager

Device Manager

System Restore

Submit

4. Which type of network cable is most commonly used for Ethernet connections?

Coaxial cable

Twisted pair (Cat5e or Cat6)

Fiber optic cable

Serial cable

5. True or False: UEFI is a replacement for BIOS firmware.

True

False

6. A computer fails to boot. Which component would you check first?

RAM modules

Power supply and connections

Graphics card

Sound card

7. What does DNS stand for and what is its primary function?

Domain Name System; translates domain names to IP addresses

Digital Network Security; encrypts all traffic

Data Network Service; manages bandwidth

Domain Notification System; sends security alerts

8. Which of the following represents the correct order of data hierarchy from smallest to largest?

Bit, Byte, Kilobyte, Megabyte

Byte, Bit, Kilobyte, Megabyte

Kilobyte, Megabyte, Byte, Bit

Megabyte, Kilobyte, Byte, Bit

9. True or False: A graphics processing unit (GPU) is only used for gaming.

True

False

10. What is the standard voltage for most household electrical outlets in North America?

110-120 volts

220-240 volts

12 volts

48 volts

11. Which of the following best describes the primary function of a motherboard?

Stores permanent data and programs

Connects all internal components and facilitates communication between them

Manages power distribution to peripheral devices

Provides temporary processing memory for active programs

12. Which of the following is NOT a function of the operating system?

Memory management

Process scheduling

Manufacturing computer chips

File system management

13. What does BIOS stand for in computer terminology?

Basic Input/Output System

Binary Internet Operating System

Baseband Input Optimization Software

Basic Integrated Operating Source

14. True or False: RAM (Random Access Memory) is a permanent storage device.

True

False

15. Which device is responsible for converting analog signals to digital signals?

Router

Analog-to-Digital Converter (ADC)

Network switch

Modem

16. What is the primary purpose of a firewall?

Accelerate internet speeds

Monitor and control incoming and outgoing network traffic

Encrypt all data on the hard drive

Manage device driver updates

17. Which of the following is a common symptom of a failing hard drive?

Increased screen brightness

Clicking or beeping sounds during operation

Higher CPU temperature

Reduced monitor refresh rate

18. In networking, what does the acronym TCP/IP stand for?

Transmission Control Protocol/Internet Protocol

Transfer Code Protocol/Internet Process

Transmission Capability Protocol/Internet Port

Transfer Control Process/Internet Protocol

19. Which protocol is primarily used for secure web communication?

HTTP

FTP

HTTPS

SMTP

20. What is the main advantage of solid-state drives (SSDs) over traditional hard disk drives (HDDs)?

Higher storage capacity

Faster data access speeds and improved durability

Lower power consumption only

Better compatibility with legacy systems

Tech+ Practice Test 2026: Can You Pass FC0-U71?

1. In cybersecurity, what is phishing?

2.

What first name or nickname would you like us to use?

2. A user experiences slow internet speeds. Which tool would you use to diagnose network connectivity issues?

3. The process of improving system performance by removing unnecessary files is called ____.

4. Which type of network cable is most commonly used for Ethernet connections?

5. True or False: UEFI is a replacement for BIOS firmware.

6. A computer fails to boot. Which component would you check first?

7. What does DNS stand for and what is its primary function?

8. Which of the following represents the correct order of data hierarchy from smallest to largest?

9. True or False: A graphics processing unit (GPU) is only used for gaming.

10. What is the standard voltage for most household electrical outlets in North America?

11. Which of the following best describes the primary function of a motherboard?

12. Which of the following is NOT a function of the operating system?

13. What does BIOS stand for in computer terminology?

14. True or False: RAM (Random Access Memory) is a permanent storage device.

15. Which device is responsible for converting analog signals to digital signals?

16. What is the primary purpose of a firewall?

17. Which of the following is a common symptom of a failing hard drive?

18. In networking, what does the acronym TCP/IP stand for?

19. Which protocol is primarily used for secure web communication?

20. What is the main advantage of solid-state drives (SSDs) over traditional hard disk drives (HDDs)?