Duringreboot,thesystemhangswithanLED0554messagethatmeans,'Thebootdevicecouldnotbeopenedorareadfailed.'Whichofthefollowingrecoveryproceduresshouldbetaken()
A.Bootinmaintenancemodeandusefscktocheckhd5.
B.Bootinmaintenancemode,accesstherootvgandcheckthe/etc/inittabforcorruption.
C.Bootinmaintenancemode,accesstherootvgandrebuildthebootimageusingthebosbootcommand.
D.Bootinmaintenancemode,andresettherootpassword.