Asystemadministratorcreateda\/etc\/exportsfileonserver\”Alpha\”andenteredafilesystemtobeexportedtoserver\”Bravo.\”However，theremoteserversareunabletomountthefilesystems.Whatdoesthesystemadministratorneedtodo？（）
A.UsetheexportfscommandonserverAlphatoexportthefilesystem
B.UsetheshowmountcommandonserverBravotoimportthefilesystem
C.UsethestartsrccommandonserverBravotorefreshtheNFSdaemons
D.UsethechfscommandonserverAlphatochangethefilesystemtypetoNFS
参考答案：A
