单项选择题
Which command will retrieve /unix and dump from the dump device？（）
A.snap -R B.snap -D C.snap -U D.snap -N
单项选择题 WhichcommandwilldebugtheAIXkernel？（）
单项选择题 An administrator suspects problems on a SCSI hard disk， but upon running diagnostics， no errors were found. What must be done to check the condition of the drive？（）
单项选择题 Whichcommandmustberuntologahardwarerepairentryintheerrorlog？（）
