A user calls the help desk and reports that invalid system disk or invalid boot disk error messages display on the workstation when it is powered on. When a technician comes to the office, the user mentions that the workstation was working well the day before. The technician suspects that the MBR is corrupted. Which process can the technician use to check and repair the MBR?
- Run the bootrec command.
- Run the sfc command.
- Run the chkdsk command.
- Boot the workstation in Safe Mode.
Explanation: The bootrec command can be used to repair and troubleshoot MBR issues. The chkdsk command can be used to check the integrity of files and folders by scanning the hard disk surface for physical errors. The sfc command can be used to verify and replace important Windows system files.