Free CompTIA A+ Practice Test

CompTIA A+ Core 1 Practice Test 2

CompTIA A+ Practice Test

1 / 80

A technician is setting up a workstation for graphic design. What component should they prioritize for the best performance?

2 / 80

A user’s desktop computer fails to boot, displaying a "No Boot Device Found" error. What is the most likely cause?

3 / 80

A technician needs to replace thermal paste on a CPU. What is the primary purpose of thermal paste?

4 / 80

A user reports that their Wi-Fi keeps disconnecting on their laptop but works fine on their phone. What should be checked first?

5 / 80

A technician is diagnosing a laptop with a distorted screen. The external monitor displays correctly. What is the most likely issue?

6 / 80

A technician needs to securely erase all data from a decommissioned hard drive. What is the best method?

7 / 80

A customer complains that their touchscreen is not responding. What should be checked first?

8 / 80

A user is unable to print from their computer, but other users can print fine. What should be checked first?

9 / 80

A technician is replacing an HDD with an SSD. What is one major advantage of using an SSD?

10 / 80

A user reports that their desktop screen is showing a "No Signal" message. What should the technician check first?

11 / 80

A user needs to connect a printer that is located in another room without using cables. What is the best option?

12 / 80

A technician is setting up a RAID 5 array. What is the primary benefit of this configuration?

13 / 80

A technician needs to install an operating system on a new laptop without a DVD drive. What is the best method?

14 / 80

A user reports that their Wi-Fi signal is weak in certain parts of their house. What is the best solution?

15 / 80

A technician replaces a laptop battery, but the system does not detect the new battery. What should they do first?

16 / 80

A user connects a new second monitor, but it only mirrors the primary display instead of extending it. What setting should they check?

17 / 80

A customer complains that their gaming PC crashes randomly under heavy load. What should the technician check first?

18 / 80

A technician is setting up a home office for a remote worker who requires a stable connection for video conferencing. What is the best type of connection to use?

19 / 80

A laptop user complains that their screen is dim even when brightness is set to maximum. What is the most likely cause?

20 / 80

A user reports that their desktop is taking a long time to boot and frequently freezes. What is the most likely cause?

21 / 80

A user needs to print high-resolution images with deep color accuracy. What type of printer should they use?

22 / 80

A user complains that their laptop screen is completely blank, but an external monitor works fine. What is the most likely issue?

23 / 80

A desktop PC randomly shuts down under heavy workloads. What should the technician check first?

24 / 80

A laptop’s cooling fan runs constantly at high speed. What is the most likely cause?

25 / 80

A technician needs to install multiple virtual machines on a workstation. What component is most critical for performance?

26 / 80

A technician is installing a new NVMe SSD in a laptop. What must be done before using it?

27 / 80

A user complains of slow internet speed despite being connected via Ethernet. What should the technician check first?

28 / 80

A technician installs a new stick of RAM, but the system fails to boot. What is the most likely cause?

29 / 80

A user reports that their laptop's speakers stopped working, but audio still plays through headphones. What should the technician check first?

30 / 80

A user complains that their external hard drive is suddenly unreadable. What is the best tool to check for errors?

31 / 80

A technician needs to upgrade the cooling solution in a high-performance gaming PC. Which cooling method provides the best thermal performance?

32 / 80

A technician is troubleshooting a desktop with no display output. The motherboard speaker beeps three times. What does this typically indicate?

33 / 80

A technician is installing a new GPU but notices the system fails to boot after installation. What should they check first?

34 / 80

A user wants to connect their desktop to a Wi-Fi network but does not see any available networks. What is the most likely cause?

35 / 80

A laptop's keyboard suddenly stops responding. The touchpad and external USB keyboard work fine. What should the technician check first?

36 / 80

A technician installs an M.2 NVMe SSD into a desktop, but it is not detected in BIOS. What should be checked first?

37 / 80

A technician is troubleshooting a RAID 10 array. Two drives have failed in the array. What is the result?

38 / 80

A user reports that their laptop's battery is not charging even when plugged in. What is the first thing to check?

39 / 80

A user reports that their laptop display is flickering intermittently. What is the most likely cause?

40 / 80

A technician is troubleshooting a desktop PC that does not power on. The power supply fan is not spinning, and no LEDs are lit on the motherboard. What should be checked first?

41 / 80

A network engineer is setting up a new web application that needs to handle thousands of quick status updates with minimal latency. The application doesn't require guaranteed delivery, as occasional missed updates won't affect functionality. Which transportation protocol would be MOST appropriate for this application?

42 / 80

A system administrator needs to set up a connection to remotely manage a Linux server from a Windows workstation. Security is a priority, and the administrator needs to access the command line interface of the Linux server. Which protocol and port should be used?

43 / 80

A corporate employee is setting up their personal smartphone to access company resources. The IT department requires that corporate data be separated from personal data and that they can remotely wipe corporate data without affecting personal information. Which of the following solutions BEST addresses these requirements?

44 / 80

A user wants to share their cellular data connection with their laptop during a business trip where no public Wi-Fi is available. Which of the following methods would use the LEAST amount of smartphone battery power while providing this connectivity?

45 / 80

A student wants to use their tablet for taking handwritten notes in class but is on a limited budget. They need a solution that works on any capacitive touchscreen. Which of the following would be the MOST cost-effective option that meets their requirements?

46 / 80

A technician is troubleshooting a customer's Bluetooth speaker that won't connect to their smartphone. The smartphone's Bluetooth is enabled, and other Bluetooth devices connect successfully. The speaker powers on but doesn't appear in the phone's Bluetooth device list. What should the technician do FIRST?

47 / 80

A company is developing a mobile device for outdoor use that needs to maximize battery life while displaying mostly text and simple graphics. Which display technology would be the MOST power-efficient choice for this specific use case?

48 / 80

A mobile device repair technician is troubleshooting a tablet with a very dim display. The image is still visible but only when viewed in a dark room or with maximum brightness settings. All touch functionality works correctly. Which component is MOST likely failing?

49 / 80

A technician is working with a mobile device that has a broken screen. The touchscreen doesn't respond to touch but the display itself still shows an image. Which component has MOST likely failed?

50 / 80

A user has connected their laptop to a projector for a presentation, but no image appears on the projector screen. The laptop's display is working normally. What should be the FIRST troubleshooting step?

51 / 80

A network technician is setting up a new DNS server for a company. The technician needs to configure the server to handle standard DNS queries from client machines as efficiently as possible. Which transport protocol and port would be BEST for this purpose?

52 / 80

A systems administrator is troubleshooting a user's inability to use Remote Desktop to connect to their work computer from home. The administrator has verified that the home internet connection is working and that the work computer is powered on. Which port should the administrator check is properly forwarded in the company's firewall?

53 / 80

An executive frequently travels internationally and needs to use location-based services on their smartphone while indoors at client offices, but is concerned about battery life. Which location technology would BEST balance accuracy and battery consumption for indoor use?

54 / 80

A user has just purchased a new smartphone and wants to ensure that their contacts, calendar events, and photos from their old device are available on the new one. Both devices use the Android operating system. Which of the following is the MOST efficient way to accomplish this?

55 / 80

A user has connected their smartphone to a docking station with multiple USB ports, HDMI output, and ethernet. The dock is powered and the phone is charging, but the external monitor connected to the HDMI port remains blank. What is the MOST likely cause of this issue?

56 / 80

A mobile professional frequently needs to share their smartphone's internet connection with their laptop when working in locations without Wi-Fi. Which of the following connection methods would use the LEAST amount of battery power on their smartphone while providing this functionality?

57 / 80

A gaming enthusiast is comparing mobile devices and prioritizes having the fastest screen response time to avoid motion blur in fast-paced games. Cost is not a concern. Which display technology below would BEST meet these requirements?

58 / 80

During a mobile device screen replacement, a technician accidentally damages a small component near the top of the display assembly. After completing the repair, the customer reports that people can't hear them clearly during phone calls, but they can hear the other person fine. Which component was MOST likely damaged?

59 / 80

A technician needs to connect a new solid-state drive in a high-performance workstation. The drive needs to have the fastest possible connection to the motherboard. Which of the following interfaces should the technician choose?

60 / 80

A user reports that their desktop computer powers on (fans spin and LEDs light up) but nothing appears on the monitor and there are no beep codes. After checking that the monitor works properly with another computer, what should the technician check NEXT?

61 / 80

A newly installed printer prints garbled text instead of readable documents. What should be done?

62 / 80

A user’s Wi-Fi card only connects at 54 Mbps instead of the expected 300 Mbps. What is the cause?

63 / 80

A smart TV connected via Ethernet cannot reach the internet, but shows “Connected to LAN.” What should be checked?

64 / 80

A newly installed PCIe sound card is not detected. What is the likely reason?

65 / 80

A user says their laptop refuses to boot unless the AC adapter is connected, even though the battery reads 80%. What is the cause?

66 / 80

A technician sets up a new router and assigns a guest Wi-Fi network. However, guests can still access internal LAN devices. What setting was missed?

67 / 80

A laptop hinge becomes very stiff, and the user hears cracking sounds when opening the lid. What is the likely issue?

68 / 80

A workstation’s applications freeze whenever a USB flash drive is inserted. What is the reason?

69 / 80

A phone often disconnects from a car’s Bluetooth system during calls. Music streams fine. What is the cause?

70 / 80

A user reports that their gaming PC throttles CPU speed significantly under load, even when temperatures seem normal. What could be the issue?

71 / 80

A technician installs a new inkjet printer. Colors print correctly but blacks appear faded. What should be checked first?

72 / 80

A user’s Wi-Fi works near the router but fails entirely in the next room. Signal strength is shown as “Low.” Walls are concrete. What is the best solution?

73 / 80

A laptop's keyboard types random characters after a liquid spill. What is the correct tech response?

74 / 80

A user adds an additional HDD but it is making clicking noises. What should the technician do?

75 / 80

A desktop shows artifacts (colored blocks) on screen, especially during video playback. What is the cause?

76 / 80

A wireless access point shows extremely high latency only for 6 GHz clients. What is the cause?

77 / 80

A Chromebook shows “Low disk space” even though the user stores everything in the cloud. What is the cause?

78 / 80

A user boots a desktop and receives “CPU Fan Error.” The fan spins normally. What should the technician check?

79 / 80

A user’s smartphone refuses to charge unless pressure is applied to the cable connector. What is the issue?

80 / 80

A user says their monitor intermittently goes black for 2–3 seconds then comes back. What is the most probable cause?

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What is the Overall Format of the CompTIA A+ Core Series Exam?

CompTIA A+

The CompTIA A+ certification is widely recognized as one of the essential credentials for IT professionals entering the world of technology. As a vendor-neutral certification, it validates foundational IT skills, including hardware, networking, security, troubleshooting, and operating systems. Understanding the overall format of the CompTIA A+ Core series exams is critical for candidates aiming to…

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