An AIX 5L system has 2 active paging space devices - /dev/hd6 at 64MB in the rootvg and /dev/page01 at 256MB in the datavg. The system administrator has determined that only 192MB of active paging space is actually required and wants to reclaim some of the disk space for use by a new application. Which command should be used to reduce the size of /dev/page01？（）

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

单项选择题Whichofthefollowingcommandswillsettheduplexofanetworkadapter？（）

A.no -a media_speed=100_Full_Duplex en0
B.ifconfig -a media_speed=100_Full_Duplex ent0
C.chdev -l ent0 -a media_speed=100_Full_Duplex
D.chinet -l en0 -a media_speed=100_Full_Duplex en0

单项选择题Wherearetimekeepingservicesconfigured？（）

A./etc/services
B./etc/rc.tcpip
C./etc/ntpd.conf
D./etc/inetd.conf