单选题An administrator has a server that must be upgraded from AIX 5.2 to AIX 5.3. The administrator also   needs  to  use  the  64-bit  kernel  with  JFS2  filesystems  in  rootvg.  All  critical  data  resides  in  a  non-rootvg volume group.  Which of the

An administrator has a server that must be upgraded from AIX 5.2 to AIX 5.3. The administrator also   needs  to  use  the  64-bit  kernel  with  JFS2  filesystems  in  rootvg.  All  critical  data  resides  in  a  non-rootvg volume group.  Which of the following types of install could the administrator use to accomplish this（）