Which command will debug the AIX kernel？（）

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？（）

A.Run diag and select the ’Certify Media’ task.
B.Perform a read and write test on the disk and monitor errorlog.
C.Update the disk firmware to the latest level and monitor errorlog.
D.Format the disk to ensure bad blocks are omitted from the disk layout.

单项选择题Whichcommandmustberuntologahardwarerepairentryintheerrorlog？（）

A.diag
B.cfgmgr
C.errlog
D.errlogger

单项选择题Whichcommandwilldisplaymessagesdirectedtothesystemconsole？（）

A.alog -t console -o
B.cat /var/adm/ras/conslog
C.cat /var/log/all/console.log
D.grep CONSOLE /var/adm/messages

单项选择题Whichcommandwillchecktheerrorlogsize？（）

A.lssrc -s errord
B.errorlog -histsize
C./usr/lib/errdemon -l
D.ls -l /var/adm/ras/errlog

单项选择题LPAR1 is configured to have the same 2 LUNs virtualized by a redundant pair of VIO servers.  Which command will validate that both storage paths are available？（）

A.lspath
B.sdd query adapter
C.pcmpath query adapter
D.datapath query device