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Duringreboot,thesystemhangswithanLED0554messagethatmeans,'Thebootdevicecouldnotbeopenedorareadfailed.'Whichofthefollowingrecoveryproceduresshouldbetaken()

A.Bootinmaintenancemodeandusefscktocheckhd5.
B.Bootinmaintenancemode,accesstherootvgandcheckthe/etc/inittabforcorruption.
C.Bootinmaintenancemode,accesstherootvgandrebuildthebootimageusingthebosbootcommand.
D.Bootinmaintenancemode,andresettherootpassword.
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