You are planning an Optim installation in a heterogeneous database enterprise. Which two database and operating system combinations are supported by IBM Optim? (Choose two)

A.
Informix 7.31 server and client software, on AIX

B.
DB2 8.1, 8.2, and 9.1, on Windows

C.
Informix 7.31 server and Informix 9.3 client software, not on AIX

D.
SQL Server 2005, on Sun Solaris

E.
Sybase ASE 15, on AIX