CompTIA Tech+ Practice Questions: Infrastructure

25 free, exam-style CompTIA Tech+ (FC0-U71) practice questions covering Infrastructure, each with the correct answer and an explanation. Start a timed exam below, or scroll on to read through the questions.

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Infrastructure practice questions

Answers and explanations are shown. Take the timed exam above to test yourself first.

Q1. What type of software is responsible for managing hardware and software resources?

  • A.Application Software
  • B.Utility Software
  • C.Operating System✓ Correct
  • D.Firmware
Explanation: The operating system (OS) manages hardware and software resources. Learn more.

Q2. Which of the following is a volatile memory type?

  • A.HDD
  • B.SSD
  • C.RAM✓ Correct
  • D.ROM
Explanation: RAM (Random Access Memory) is volatile, meaning it loses data when power is off. Learn more.

Q3. What is the function of a CPU?

  • A.Store long-term data
  • B.Display graphics
  • C.Execute program instructions✓ Correct
  • D.Provide internet access
Explanation: The CPU (Central Processing Unit) executes instructions from software. Learn more.

Q4. What is the primary benefit of SSDs over HDDs?

  • A.Higher storage capacity
  • B.Lower cost per gigabyte
  • C.Faster read/write speeds✓ Correct
  • D.Better compatibility with older systems
Explanation: SSDs (Solid State Drives) are faster than HDDs (Hard Disk Drives) because they have no moving parts. Learn more.

Q5. What is the purpose of an operating system's kernel?

  • A.Manage user accounts
  • B.Control hardware and process scheduling✓ Correct
  • C.Display graphical elements
  • D.Run web browsers
Explanation: The kernel is the core part of an OS, managing hardware and processes. Learn more.

Q6. Which of the following is a characteristic of a solid-state drive (SSD)?

  • A.Uses spinning magnetic disks
  • B.More prone to physical shock damage
  • C.Faster access times than HDDs✓ Correct
  • D.Higher cost per gigabyte than HDDs
Explanation: SSDs have no moving parts, making them faster and more durable than HDDs. Learn more.

Q7. What is the purpose of a UPS (Uninterruptible Power Supply)?

  • A.Increase internet speed
  • B.Provide backup power during outages✓ Correct
  • C.Cool the CPU
  • D.Store data
Explanation: A UPS provides temporary power during electrical outages to allow safe shutdowns. Learn more.

Q8. What does 'BIOS' stand for?

  • A.Basic Input/Output System✓ Correct
  • B.Binary Integrated Operating Software
  • C.Boot Information Organization System
  • D.Byte Instruction Operating Standard
Explanation: BIOS initializes hardware during the boot process. Learn more.

Q9. Which file system is commonly used by Windows?

  • A.ext4
  • B.NTFS✓ Correct
  • C.HFS+
  • D.APFS
Explanation: NTFS (New Technology File System) is the default for modern Windows OSes. Learn more.

Q10. Which of the following is NOT a type of computer memory?

  • A.RAM
  • B.ROM
  • C.CPU✓ Correct
  • D.Cache
Explanation: CPU is the processor, not a type of memory. Learn more.

Q11. What is the purpose of a GPU?

  • A.Process general computing tasks
  • B.Handle graphics rendering✓ Correct
  • C.Manage network connections
  • D.Store operating system files
Explanation: GPU (Graphics Processing Unit) specializes in rendering images and graphics. Learn more.

Q12. Which of these is an example of optical storage?

  • A.USB flash drive
  • B.Blu-ray disc✓ Correct
  • C.SSD
  • D.Hard disk drive
Explanation: Blu-ray discs use lasers to read/write data, making them optical storage. Learn more.

Q13. Which of these is a mobile operating system?

  • A.Windows Server
  • B.macOS
  • C.Android✓ Correct
  • D.Linux Mint
Explanation: Android is designed for mobile devices. Learn more.

Q14. What is the purpose of a touchscreen digitizer?

  • A.Increase screen brightness
  • B.Convert touch input to digital signals✓ Correct
  • C.Store touchscreen drivers
  • D.Cool the device
Explanation: Digitizers translate physical touch into digital input. Learn more.

Q15. Which of these is an advantage of LCD displays over CRT?

  • A.Higher power consumption
  • B.Larger physical size
  • C.Better energy efficiency✓ Correct
  • D.Higher weight
Explanation: LCDs use less power than older CRT monitors. Learn more.

Q16. What is the purpose of a heatsink?

  • A.Store electrical charge
  • B.Dissipate heat from components✓ Correct
  • C.Boost wireless signals
  • D.Increase processor speed
Explanation: Heatsinks prevent overheating by drawing heat away from CPUs/GPUs. Learn more.

Q17. Which of these is a characteristic of a thin client?

  • A.High local processing power
  • B.Minimal local storage✓ Correct
  • C.Runs all applications locally
  • D.No network connection needed
Explanation: Thin clients rely on server resources rather than local power. Learn more.

Q18. Which component performs most general-purpose calculations in a computer?

  • A.CPU✓ Correct
  • B.SSD
  • C.NIC
  • D.Monitor
Explanation: The central processing unit executes instructions and performs core processing tasks. Learn more.

Q19. Which type of memory is volatile and loses contents when power is removed?

  • A.RAM✓ Correct
  • B.SSD
  • C.Blu-ray disc
  • D.USB flash drive
Explanation: Random access memory is temporary working memory and is cleared when the system powers off. Learn more.

Q20. Which connector is commonly used for wired Ethernet networking?

  • A.RJ45✓ Correct
  • B.HDMI
  • C.USB-C audio only
  • D.Lightning
Explanation: RJ45-style connectors are commonly used with twisted-pair Ethernet cables. Learn more.

Q21. Which device converts printed documents into digital images?

  • A.Scanner✓ Correct
  • B.Speaker
  • C.Router
  • D.CPU
Explanation: A scanner captures physical documents or images and converts them into digital files. Learn more.

Q22. Which device provides visual output from a computer?

  • A.Monitor✓ Correct
  • B.Keyboard
  • C.Microphone
  • D.Mouse
Explanation: A monitor displays visual information generated by the computer. Learn more.

Q23. Which storage device has no moving parts and is usually faster than a hard disk drive?

  • A.SSD✓ Correct
  • B.Tape drive
  • C.Optical disc only
  • D.Floppy disk
Explanation: Solid-state drives use flash memory and generally provide faster access than spinning hard drives. Learn more.

Q24. Which component stores firmware settings used when a PC starts?

  • A.UEFI or BIOS firmware✓ Correct
  • B.Web browser cache
  • C.Spreadsheet cell
  • D.Printer paper tray
Explanation: UEFI or BIOS firmware initializes hardware and stores startup settings. Learn more.

Q25. Which peripheral captures sound input?

  • A.Microphone✓ Correct
  • B.Monitor
  • C.Printer
  • D.Projector
Explanation: A microphone converts sound into digital input for a computer. Learn more.

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