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Which of the following commands will repair boot sector blocks after a virus has been removed?（）
- A、chkdsk
- B、format
- C、fixmbr
- D、sfc
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单选题A system powers on, begins POST, displays the BIOS version information and then hangs with the error message ‘Error loading operating system’. Which of the following is MOST likely the cause of this issue? （）A
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单选题Which of the following commands can be used to repair a corrupted boot record?（）A
chkdskB
xcopyC
fixmbrD
format
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单选题Which of the following commands will repair boot sector blocks after a virus has been removed?（）A
chkdskB
formatC
fixmbrD
sfc
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单选题A patch has been applied to the operating system. After rebooting, the system is hung. Which of the following commands should have been performed to prevent the system from hanging?（）A
lppchk, bosboot B
lslpp -l, oslevel C
installp -C, lppchk D
bosboot, synclvodm
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