220-901 Practice Exam A

This chapter is from the book

CompTIA A+ 220-901 and 220-902 Practice Questions Exam Cram

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This chapter is from the book

This chapter is from the book 

CompTIA A+ 220-901 and 220-902 Practice Questions Exam Cram

Learn More Buy

Welcome to the first 220-901 practice exam. This is the easiest of the 220-901 exams. The subsequent exams will get more difficult and include more troubleshooting scenarios as you progress.

Take this first exam slowly. The goal is to make sure you understand all of the concepts before moving on to the next test.

Write down your answers and check them against the Quick-Check Answer Key that immediately follows the exam. After the answer key you will find the explanations for all of the answers. Good luck!

Practice Questions

1. Which of the following are components you might find inside a PC? (Select the three best answers.)

   A. CPU

   B. Motherboard

   C. Keyboard

   D. Printer

   E. RAM

   F. Cable modem

   • Quick Answer: 28
     Detailed Answer: 29

2. Which device stores data over the long term?

   A. CPU

   B. RAM

   C. Hard drive

   D. Video card

   • Quick Answer: 28
     Detailed Answer: 29

3. You would normally plug speakers into which type of port?

   A. FireWire

   B. DVI

   C. 1/8-inch TRS

   D. 1/4-inch TRS

   • Quick Answer: 28
     Detailed Answer: 29

4. To which type of expansion slot would you install an x16 card?

   A. PCI

   B. PCIe

   C. USB

   D. PCI-X

   • Quick Answer: 28
     Detailed Answer: 29

5. Which process of the computer checks all your components during boot?

   A. CMOS

   B. POST

   C. BIOS

   D. EEPROM

   • Quick Answer: 28
     Detailed Answer: 29

6. Tim installs a new CPU in a computer. After a few hours, the processor starts to overheat. Which of the following might be the cause?

   A. The CPU is not locked down.

   B. The CPU is not properly seated.

   C. Thermal compound was not applied.

   D. The CPU is not compatible with the motherboard.

   • Quick Answer: 28
     Detailed Answer: 29

7. Which of the following could cause the POST to fail? (Select the two best answers.)

   A. CPU

   B. Power supply

   C. Optical drive

   D. Memory

   E. Hard drive

   • Quick Answer: 28
     Detailed Answer: 29

8. Which expansion bus uses lanes to transfer data?

   A. PCI

   B. DMI

   C. PCIe

   D. SATA

   • Quick Answer: 28
     Detailed Answer: 29

9. Which of the following might you find as part of a tablet computer? (Select the two best answers.)

   A. Flash memory

   B. SATA hard drive

   C. Multi-touch touchscreen

   D. 24-inch display

   • Quick Answer: 28
     Detailed Answer: 30

10. Which kind of socket incorporates “lands” to ensure connectivity to a CPU?

    A. PGA

    B. Chipset

    C. LGA

    D. Copper

    • Quick Answer: 28
      Detailed Answer: 30

11. How should you hold RAM when installing it?

    A. By the edges

    B. By the front and back

    C. With tweezers

    D. With a punchdown tool

    • Quick Answer: 28
      Detailed Answer: 30

12. Which device should you use to protect against power outages?

    A. Multimeter

    B. UPS

    C. FedEx

    D. Surge protector

    • Quick Answer: 28
      Detailed Answer: 30

13. Which of the following uses a single 24-pin main motherboard power connector?

    A. ATX

    B. ATX 12V 1.3

    C. ATX 12V 2.0

    D. ATX 5V 2.0

    • Quick Answer: 28
      Detailed Answer: 30

14. What is the maximum data transfer rate of SATA revision 3.0?

    A. 1.5 Gb/s

    B. 150 MB/s

    C. 3.0 Gb/s

    D. 6.0 Gb/s

    • Quick Answer: 28
      Detailed Answer: 30

15. Which type of adapter card accepts broadcast programming?

    A. FireWire card

    B. Video capture card

    C. Network interface card

    D. TV tuner

    • Quick Answer: 28
      Detailed Answer: 30

16. Which of the following types of custom PCs requires an HDMI output?

    A. HTPC

    B. Gaming PC

    C. Virtualization workstation

    D. CAD/CAM workstation

    • Quick Answer: 28
      Detailed Answer: 30

17. How many pins are inside a SATA data connector?

    A. 15

    B. 7

    C. 24

    D. 127

    • Quick Answer: 28
      Detailed Answer: 31

18. What is the delay in the RAM’s response to a request from the memory controller called?

    A. Latency

    B. Standard deviation

    C. Fetch interval

    D. Lag

    • Quick Answer: 28
      Detailed Answer: 31

19. What is the minimum number of hard drives necessary to implement RAID 5?

    A. Two

    B. Five

    C. Three

    D. Four

    • Quick Answer: 28
      Detailed Answer: 31

20. A user’s time and date keeps resetting to January 1, 2000. Which of the following is the most likely cause?

    A. The BIOS needs to be updated.

    B. Windows needs to be updated.

    C. The Windows Date and Time Properties window needs to be modified.

    D. The lithium battery needs to be replaced.

    • Quick Answer: 28
      Detailed Answer: 31

21. Which type of adapter card is normally plugged into a PCIe x16 adapter card slot?

    A. Modem

    B. Video

    C. NIC

    D. Sound

    • Quick Answer: 28
      Detailed Answer: 31

22. To prevent damage to a computer, the computer should be connected to which of the following?

    A. A power strip

    B. A power inverter

    C. An AC to DC converter

    D. A UPS

    • Quick Answer: 28
      Detailed Answer: 31

23. Which of the following is a common type of CPU for a smartphone?

    A. LGA 2011

    B. SoC

    C. Core i7

    D. LPDDR

    • Quick Answer: 28
      Detailed Answer: 31

24. Which of the following components could cause the POST to beep several times and fail during boot?

    A. Sound card

    B. Power supply

    C. Hard drive

    D. RAM

    • Quick Answer: 28
      Detailed Answer: 31

25. Which of the following is the proper boot sequence of a PC?

    A. CPU, POST, boot loader, operating system

    B. Boot loader, operating system, CPU, RAM

    C. POST, CPU, boot loader, operating system

    D. CPU, RAM, boot loader, operating system

    • Quick Answer: 28
      Detailed Answer: 31

26. Which of the following are ports you might find on smartphones and tablets? (Select the two best answers.)

    A. eSATA

    B. Micro USB

    C. Lightning

    D. DVI

    • Quick Answer: 28
      Detailed Answer: 32

27. Which of the following has the fastest data throughput?

    A. CD-ROM

    B. Hard drive

    C. RAM

    D. USB

    • Quick Answer: 28
      Detailed Answer: 32

28. Which kind of form factor is commonly found in HTPCs?

    A. ATX

    B. Pico-ITX

    C. MicroATX

    D. Nano-ITX

    • Quick Answer: 28
      Detailed Answer: 32

29. Which of the following CPU cooling methods is the most common?

    A. Heat sink

    B. Heat sink and fan

    C. Liquid cooling

    D. Liquid nitrogen

    • Quick Answer: 28
      Detailed Answer: 32

30. Which of the following is not a video port?

    A. DVI

    B. HDMI

    C. DisplayPort

    D. S/PDIF

    • Quick Answer: 28
      Detailed Answer: 32

31. Which of the following is necessary for a CAD/CAM workstation? (Select the two best answers.)

    A. Powerful CPU

    B. HDMI output

    C. Surround sound

    D. High-end video

    • Quick Answer: 28
      Detailed Answer: 32

32. Which of the following technologies allows two mobile devices to transfer data simply by touching them together?

    A. USB

    B. NFC

    C. Bluetooth

    D. Wi-Fi

    • Quick Answer: 28
      Detailed Answer: 32

33. What type of power connector is used for an x16 video card?

    A. Molex 4-pin

    B. SATA 15-pin

    C. PCIe 6-pin

    D. P1 24-pin

    • Quick Answer: 28
      Detailed Answer: 32

34. Which kind of current does a typical desktop PC draw from a wall outlet?

    A. Direct current

    B. Neutral current

    C. Alternating current

    D. Draw current

    • Quick Answer: 28
      Detailed Answer: 33

35. Which of the following are output devices? (Select the three best answers.)

    A. Speakers

    B. Keyboard

    C. Mouse

    D. Printer

    E. Display

    F. Touchpad

    • Quick Answer: 28
      Detailed Answer: 33

36. A customer complains that he gets a headache when he views his display for more than an hour. What should you do?

    A. Raise the resolution to a higher setting.

    B. Install an antiglare filter.

    C. Dim the lights near the customer’s desk.

    D. Upgrade the video connector from DVI to VGA.

    • Quick Answer: 28
      Detailed Answer: 33

37. What does the b in 1000 Mbps stand for?

    A. Megabytes

    B. Bits

    C. Bytes

    D. Bandwidth

    • Quick Answer: 28
      Detailed Answer: 33

38. When running cable through drop ceilings, which type of cable do you need?

    A. PVC

    B. Category 5

    C. Strong cable

    D. Plenum

    • Quick Answer: 28
      Detailed Answer: 33

39. Which of the following is the maximum data transfer rate for wireless protocol 802.11n?

    A. 11 Mbps

    B. 600 Mbps

    C. 480 Mbps

    D. 54 Mbps

    E. 1.7 Gbps

    • Quick Answer: 28
      Detailed Answer: 33

40. Which device connects multiple computers together in a LAN?

    A. Modem

    B. Router

    C. Switch

    D. Firewall

    • Quick Answer: 28
      Detailed Answer: 33