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?

A.
Migration Installation

B.
Update_All Installation

C.
Preservation Installation

D.
New and Complete Overwrite Installation