Examen de certification

Ce test contient 80 questions

Formateur Comptia A+

90 minutes

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Bienvenue à l'examen Comptia A+

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Evaluation Comptia A+

1 / 80

Which of the following adapters converts an analog signal to a digital signal?

2 / 80

Your organization is utilizing a private cloud model for company-specific sensitive computing/storage as well as non-sensitive cloud services. At the end of each month the company experiences short-term spikes in demand of services while running reports causing an issue with availability of service to all users. Which of the following would be the best option to relieve the issues during these periods of spikes while maintaining the security of company-specific sensitive services?

3 / 80

A technician is observing the following output at a Windows command line and needs to stop the explorer.exe process.

explorer.exe 1209 Console 4 148,889 K
dwm.exe 6032 Console 4 188,124 K

Which of the following commands would perform the needed action?

4 / 80

The motherboard form factor determines which of the following motherboard characteristics? (Select FOUR)

5 / 80

While working on a printer, you spill a liquid solution that was sitting on the floor next to the printer stand. While attempting to clean up the spill, the solution makes contact with your skin and clothing. What step should you take next for the safety of others as well as your own safety?

6 / 80

A customer is building a high-end gaming PC and is seeking an appropriate power supply unit. Which of the following feature-sets of a power supply should be installed? (Select THREE).

7 / 80

A customer wants a computer for performing a single-threaded task as quickly as possible. Which of the following CPU characteristics is the MOST important?

8 / 80

A user has downloaded an image file and needs to install an application from the image. When trying to execute or open the file, an error is displayed. Which of the following should the user perform?

9 / 80

A printer on the second floor is not printing for anyone. However, the printer has power and displays ready on the LCD display. There is paper in the trays and the toner was recently changed. The system administrator goes to the location with a laptop and tests the network port and is able to connect. Jobs are being queued on the local machines. Which of the following should the system administrator do to get the printer functioning again?

10 / 80

Which of the following ports is used for a secure browser connection for an online purchase?

11 / 80

When installing a new CPU into a machine, which of the following should ALWAYS be used during installation?

12 / 80

A technician is building a workstation that will only be used to connect remotely to a server. Which of the following types of PC configurations is BEST suited for this task?

13 / 80

A user is no longer able to browse the Internet after returning from vacation. The user is able to log in and navigate to the local intranet, but not to any outside sites. A technician pings a well-known website by name but gets no reply. The technician then pings its IP address and gets a reply.
Which of the following commands will MOST likely resolve the issue?

14 / 80

Ann, a user, reports her docked mobile workstation will periodically lose her network share drive and lose video to the second monitor. Which of the following is
MOST likely the cause of this anomaly?

15 / 80

Prior to launching an upgrade to the accounting software, you need to clean the %temp% folder on 73 Windows computers. The system administrator asked you to automate the process by using a PowerShell script already written for this purpose. While browsing the available files on the network, you notice several that could potentially perform this task. Which of the following is most likely the file you need to use?

16 / 80

A technician is troubleshooting a Windows 10 machine that boots into Safe Mode on every boot. Which of the following will best help the technician resolve this problem?

17 / 80

A user is requesting a cable to charge and transfer data for an Apple mobile device. Which of the following connection types would satisfy the user's requirements?

18 / 80

You are in the process of implementing a documented and approved major software change on a user’s computer. The end-user asked you to make a few additional software and hardware changes that are not a part of the original plan and you decline the request. What change management process or step best supports your decision to turn down the user’s request?

19 / 80

Which of the following operating systems is a valid upgrade path to Windows 10 Enterprise that will maintain the integrity of the user’s data files?

20 / 80

You received an escalated trouble ticket in which the previous technician is experiencing problems installing Windows 10 Pro on a PC with an Intel Core i5 processor. The ticket states the installation wizard is not showing any available storage devices. The UEFI indicates a HDD is installed, recognized, and functioning. Which of the following will you need to do?

21 / 80

A technician is building a workstation that is to be used as an HTPC and will sit next to the audio receiver. Which of the following form factors would the technician MOST likely use because of its size?

22 / 80

A user wants to implement a wireless router that will have the fastest data speeds and operate over the 5GHz frequency. Which of the following standards should the user select?

23 / 80

Which of the following protocols would be used for file sharing between MAC OS and Windows OS workstations on a LAN?

24 / 80

You are assisting another project team member in completing a change management document for an upcoming hardware upgrade. Your contribution to the document is defining how you would return affected hardware to their pre-change state if the proposed upgrade fails. What is the name for the specific portion of the documentation you are working on?

25 / 80

While performing cable management tasks, a technician needs to move a heavy filing cabinet to properly route the cables. Which of the following should the technician do first?

26 / 80

A company needs a way to convert ten years of shipping records, currently on paper, into files that can be saved to their private cloud storage. Which of the following will be the best choice to accomplish this goal with the least amount of employee effort?

27 / 80

You are configuring a workstation to be used by a technician to simultaneously run Windows 10, Windows 8.1, Windows 7, and Linux in a virtualized configuration. Which of the following components will be most important for this system? (Select TWO)

28 / 80

While using the CLI on a Windows 10 64-bit computer with a single HDD and a single volume, you want to move from the current directory to the directory where Windows is installed. Which of the following would perform this action?

29 / 80

You have been tasked with upgrading a Windows 7 system in the finance department to Windows 10 using the in-place upgrade method. What should you do before starting the upgrade process?

30 / 80

An IT Director wants to increase security on the company website to prevent man-in-the-middle attacks. Which of the following Internet protocols should be implemented to meet the requirement?

31 / 80

A client has three locations within city limits that need to be networked. Vendor network requirements for all three locations are a minimum of 1GB.
Which of the following are the types of networks that will MOST likely be used for internal office and office-to-office networking? (Choose two.)

32 / 80

A technician has noticed that when at company headquarters the laptop connection to the Internet is more responsive than when using the company-provided phone as a hotspot. The technician updated the drivers on the WiFi NIC without resolution and then verified the configuration on the WiFi was correct
Which of the following configurations could cause the decreased performance?.

33 / 80

A technician receives a call that a clients PC is not booting after a recent test of the buildings back-up generators. When the technician arrives, it is discovered that, once powered on, there is no output display or POST beep codes. Furthermore, after 15 seconds, the systems fans begin running much louder and faster.

34 / 80

An end user has signed up to use a web-based calendar application.
Which of the following solutions has the user purchased?

35 / 80

A user attempts to turn on a computer and receives no response. The user calls the technician to report the computer is not booting and a faint smell of something burning. Which of the following tools will BEST help to identify the issue?

36 / 80

A mobile device user has just entered their user ID and password to access an online account. The user immediately receives a text message with a unique PIN that must be entered before they are granted access to the account. Which of the following describes the security method being used?

37 / 80

A user reports that the mouse is not working properly. The technician notices on the users workstation that the mouse cursor spins for several minutes before the technician can use the mouse. Which of the following is the cause of the issue?

38 / 80

Which of the following Internet connection types is known to have a significantly higher latency than

39 / 80

A technician cannot communicate with one particular IP address and needs to narrow down where the traffic is stopping. Which of the following commands would be used to determine this?

40 / 80

What is the value of Counter when execution ends in the following pseudo code?
Counter = 100
Do While Counter < 100 Counter = Counter - 1 Loop

41 / 80

Which feature is built in to a Mac computer so you can switch between macOS and Windows OS?

42 / 80

Which of the following is a disk management tool built-in to macOS and useful for finding and repairing disk problems?

43 / 80

Which of the following will increase the level of security for personal and confidential information on a mobile device if the device is lost or stolen? (Select TWO.)

44 / 80

You are tasked with reducing the power consumption of all laptop devices in your organization, particularly when they are idle for more than a few minutes. Which of the following configurations will result in the most power savings?

45 / 80

A customer signed up for the mobile pay service to use with their first generation smartphone but it does not work at any place that supports the mobile pay service. Which of the following is missing from the customers smartphone?

46 / 80

A help desk technician is alternating her attention between two separate callers and needs her computer to be able to rapidly change from Windows 10 to Linux and back again several times during the support calls. Which of the following will provide the easiest and fastest method of switching between operating systems?

47 / 80

A technician is tasked with upgrading the hard drives of a high-end workstation to SSD. The drives must be configured in a RAID array, but the RAID card does not support SSD. Which of the following would the technician verify in order to use the new drives?

48 / 80

A technician is logged in to a Linux computer as johnd and needs to reset group ownership for the file report.txt in the johnd home directory. Which of the following commands will perform this function?

49 / 80

A technician is logged in to a Linux system with a user account that has been assigned root privileges. Each time the technician attempts to run a specific terminal command, a “Permission denied” message is displayed. What is the most likely reason for this message?

50 / 80

Legacy software needs to be installed on a netbook. Which of the following is MOST likely needed in order to install the software?

51 / 80

Which of the following will best assist a technician in determining whether or not a company maintains ownership of a specific piece of hardware?

52 / 80

A user wants to reduce the amount of paper consumed on a multi-function printer. Which of the following settings should be configured to achieve this outcome?

53 / 80

Which of the following is important when replacing a power supply in a workstation located in a datacenter server rack?

54 / 80

A network technician has been tasked with deploying new VoIP phones on a network. When the technician plugs the Ethernet cable for the phone into the wall port, the phone fails to turn on. When the technician plugs the Ethernet cable directly into the computer, the computer is able to access the network. Which of the following is the MOST likely cause of this issue?

55 / 80

A small workgroup inherits a second-hand printer without networking capabilities. Which of the following is the BEST method of sharing this resource among the workgroup?

56 / 80

A machine receives an IP address starting with 169.254.x.x when which of the following occurs?

57 / 80

A workstation has a network link light, but it cannot access internal network resources. Which of the following is the MOST likely cause of the issue?

58 / 80

You are in the middle of a lengthy, unexpected computer repair. It becomes apparent that you will finish the current repair at the exact time you are scheduled to arrive at the next customer’s location. What is the most appropriate action to take?

59 / 80

A computer technician is responding to a call about a printer that is causing streaks to appear on every printout. Which of the following is the MOST likely cause?

60 / 80

A user is watching streaming video on a home network, but experiences buffering and delays when there are too many people on the network. Which of the following is MOST likely to resolve the issue?

61 / 80

Which of the following charging and data ports has a non-directional connector?

62 / 80

A client, Ann, is having issues with a PC shutting down. There are no error messages displayed before the system powers off. Ann reports that this started after she installed and began using CAD software. The hard drive, video card, and RAM all meet the software requirements and have passed diagnostics. Which of the following is MOST likely the issue?

63 / 80

You are troubleshooting an inkjet printer that prints areas on the page with random voids and missing colors. Which of the following will best help resolve the problem?

64 / 80

Your customer has purchased 62 PCs with identical hardware for their shipping department. You procured the Windows 10 volume licenses and received an email with a link to download the installation ISO. Which of the following would be the most practical installation method for the PCs?

65 / 80

A user has finished explaining a problem with their PC but you are still unsure of the exact problem they are describing. What should you do next?

66 / 80

A Linux technician wants to set the permissions for a file to allow all users read-only access. All existing permissions for group members and owner should remain untouched. Which command should the technician use assuming the file is located in the present working directory and the file name is test.txt?

67 / 80

You opened a batch file in Notepad and are observing the following lines. (The line numbers are for reference only.)
1- ECHO This batch file deletes the temp files
2- DEL %TEMP%*.* /Q
3- REM The temp files were deleted

68 / 80

A client has a Windows 8.1 system running an Enterprise 64-bit edition of the OS and wants to install their accounting application that is available only in a 32-bit version. What needs to be done for the application to install and function properly?

69 / 80

Which of the following is the BEST step to take to avoid having your mobile device infected with malware?

70 / 80

What is the best device to use to protect a computer from potential harmful effects of electrical brownouts?

71 / 80

A technician is installing Hyper-V and is getting an error that the software is not able to be installed. Which of the following processor characteristics should be checked?

72 / 80

Who will likely need to approve major changes before change implementation begins?

73 / 80

A technician is connecting a PoE enabled phone and needs to run the drop from the switch that is 55 meters (180.4 feet) away. Which of the following cable types would be the MOST suitable for this purpose?

74 / 80

Which of the following operating systems can be directly upgraded to Windows 10 Enterprise x64 using an in-place option?

75 / 80

Which of the following security methods would most likely have the greatest negative impact on device performance by consuming processing resources?

76 / 80

A user wants to extend a PC’s capacity by connecting external devices. Which of the following connectors will allow the user to accomplish this? (Select TWO).

77 / 80

You are considering an upgrade of your Windows 7 desktop computer using a PCIe NVMe SSD as the boot drive. Which of the following will be a required step to accomplish this upgrade?

78 / 80

When should a technician work inside the PSU?

79 / 80

Which of the following editions of Windows provide the ability to join a domain? (Select all that apply)

80 / 80

Which of the following RAM types can continue working if there is corrupt data?