Which of the following disk protection methods would be used to provide the maximum amount of data  availability（）

单项选择题Whichofthefollowingcommandswouldasystemadministratorruntovalidate etc tunables nextbootaftermanuallyediting（）

A.ksh -n nextboot
B.tunsave -a -f nextboot
C.tuncheck -r -f nextboot
D.tunsave nextboot

单项选择题Howcanasystemadministratordetermineifasystemisrunningin32-bitor64-bitmode（）

A.Use the Is -al to see if/unix is linked to /usr/lib/boot/unix_64
B.Check the /etc/inittab to see if there is a load64bit entry
C.Use ’prtconf -c1 to see if the system is 64-bit enabled
D.Use the Islpp command to see if the bos.mp64 fileset is installed

单项选择题Following a system boot， the display indicates that previously detected hardware is missing.  Which of the following commands would identify the missing hardware（）

A.diag
B.Iscfg
C.cfgmgr
D.Isslot

单项选择题Whichdiskconfigurationprovidesthefastestwriteperformancewithfaulttolerance（）

A.RAID 0
B.RAID 6
C.RAID 5
D.RAID 1+0

单项选择题An administrator plans to attach an IBM DS6000 and needs to know if the fibre channel adapter is at the latest firmware level.  Which of the following is the fastest way for the administrator to determine the  atest supported microcode level （）

A.Call Techline
B.Validate via DS6000 menu
C.Access IBM Storage Website
D.Contact the IBM Business Partner