A.chfsB.fsckC.chlvD.defragfsWhichofthefollowingcommands……

单项选择题Given the following scripts， what output would be generated（） usr local bin scriptl    #! usr bin ksh    VARl=red    export VARl=green    VARl=blue    usr local bin script2    ARl=yellow   usr local bin script2     #! bin ksh   echo  The sky is ${VAR1}.

A.The sky is red.
B.The sky is blue.
C.The sky is green.
D.The sky is yellow.

单项选择题A user is complaining that they ran out of paging space.  Which of the following will address this and  provide best performance（）

A.Expand the default paging space to the largest possible size
B.Create a new larger paging space
C.Create additional paging spaces of equal size on different disks
D.Reboot system

单项选择题Whichofthefollowingdiskprotectionmethodswouldbeusedtoprovidethemaximumamountofdataavailability（）

A.RAID 0
B.RAID 1
C.RAID 3
D.RAID 5

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