XK0-005 · Question #1856
XK0-005 Question #1856: Real Exam Question with Answer & Explanation
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Question
An administrator is reviewing the boot logs on a system that is having intermittent issues when trying to access certain directories and files. The following errors appear in dmesg: mathematica CopyEdit I/O error, dev sda1, sector 456788 Buffer I/O error on device sda1, logical block 378994 Which of the following actions should the administrator take to resolve the issue?
Options
- AUse dd to copy and reformat the disk
- BUse gddrescue to copy the disk, edit /etc/fstab, replace the disk
- CUse fsck /dev/sda1 in GRUB recovery
- DBoot a recovery disk, run fsck on unmounted drive
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