单项选择题
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（）
单项选择题 Whichofthefollowingcommandswouldasystemadministratorruntovalidate/etc/tunables/nextbootaftermanuallyediting（）
单项选择题 Howcanasystemadministratordetermineifasystemisrunningin32-bitor64-bitmode（）