Which of the following commands should an AIX system administrator invoke to check if the required device-dependent software is missing？（）

单项选择题Becauseofperformanceproblems，spaceneedstobeaddedtoapagingspacenamedpaging01onhdisk1.Thephysicalpartitionsizeofhdisk1is4MB.Whichcommandwillincreasethesizeofpaging01by100MB？（）

A.swapon -a paging01 25
B.mkps -a 25 paging01
C.extendlv -a paging01 25
D.chps -a 25 paging01

单项选择题AnAIX5Lsystemhas2activepagingspacedevices- dev hd6at64MBintherootvgand dev page01at256MBinthedatavg.Thesystemadministratorhasdeterminedthatonly192MBofactivepagingspaceisactuallyrequiredandwantstoreclaimsomeofthediskspaceforusebyanewapplication.Whichcommandshouldbeusedtoreducethesizeof dev page01？（）

A.chps
B.rmps
C.chdev
D.swapoff

单项选择题Asystemadministratorcreateda etc exportsfileonserver Alpha andenteredafilesystemtobeexportedtoserver Bravo. However，theremoteserversareunabletomountthefilesystems.Whatdoesthesystemadministratorneedtodo？（）

A.Use the exportfs command on server "Alpha" to export the filesystem
B.Use the showmount command on server "Bravo" to import the filesystem
C.Use the startsrc command on server "Bravo" to refresh the NFS daemons
D.Use the chfs command on server "Alpha" to change the filesystem type to NFS

单项选择题AsystemadministratorwantstoNFSmountafilesystemfromserver Alpha toserver Bravo. Whichcommandshouldbeissuedfrom Bravo todeterminewhichfilesystemsarebeingexportedbyserver Alpha ？（）

A.lsnfsmnt Alpha
B.exportfs -l Alpha
C.showmount -e Alpha
D.mount -t nfs Alpha

单项选择题WhichcommandwillshowthenetworkconfigurationsettingsassociatedwithanEthernetadapter？（）

A.lscfg
B.lsdev
C.netstat
D.ifconfig