A technician suspects the boot disk of a user’s computer contains bad sectors. Which of the following should the technician verify in the command prompt to address the issue without making any changes?
A.
Run sfc / scannow on the drive as the administrator
Answer: C. Run chkdsk on the drive as the administrator.
The command chkdsk (check disk) is used to detect and repair disk errors, including bad sectors. It runs a scan of the disk and displays any errors that are found. The other commands (sfc / scannow, cleanmgr, and dfrgui) are not used to detect and repair disk errors and therefore are not the correct answer.
Ditto Notahacker- some resources
For chkdsk info: https://www.dell.com/support/kbdoc/en-us/000148643/using-the-chkdsk-utility
For sfc /scannow https://support.microsoft.com/en-us/topic/use-the-system-file-checker-tool-to-repair-missing-or-corrupted-system-files-79aa86cb-ca52-166a-92a3-966e85d4094e
cleanmgr is a basic disk clean up tool
dfrgui is for defragmenting (Which obv changes the files)
The key words in the question is: "without making any changes"
Which would leave the answer to be C because with chkdsk: examines disk space and disk use and provides a status report specific to each file system.
sfc /scannow will replace corrupted files.
Why isn't A the answer? chkdsk removes bad sectors from hard disk permanently. sfc/scannow scans all protected system files and replaces corrupted files with cached copy in a compressed folder.
https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/chkdsk?tabs=event-viewer
You literally answered your own question and even provided proof of it. C is the correct answer.
upvoted 12 times
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