A technician is troubleshooting a computer that may have some corrupt operating system files.
Which of the following command line tools should the technician use to check these files?

• A.chkdsk
• B.diskpart
• C.sfc
• D.dism

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A technician is working on a computer when the PC suddenly experiences a blue screen and restarts before the technician can note the error message. The computer boots up normally, and the technician now wants to know which error message was displayed. Which of the following should the technician use to help troubleshoot the issue?

• A.regedit32
• B.eventvwr
• C.msinfo32
• D.msconfig
• E.sfc

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Which of the following would be the FASTEST method to perform a clean install of the latest Windows OS?

• A.USB media
• B.Optical drive
• C.Network boot
• D.In-place upgrade

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A proxy server is required for Internet access from a corporate network.
Which of the following should a technician perform to manually configure a Windows 10 device for Internet access?

• A.Add the proxy server's URL and IP address to the computer's hosts file under C:\Windows\System32\drivers\etc.
• B.Set the proxy server as the default gateway under the computer's network connection IP settings by selecting Manual, then entering the proxy server's IP address under Gateway.
• C.Open a command prompt and run ipconfig /release, followed by ipconfig /renew.
• D.Enable the use of a proxy server and enter an address for it under Control Panel > Internet Options > Connections > LAN settings.

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A technician is installing an application on a Linux system using the Bash shell console.
Which of the following extensions should the technician select to install the application?

• A..app
• B..sh
• C..apk
• D..exe

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