Which three options correctly match environment variables with their specific functionality?

A.
ORACLE_SID specifies the instance name.

B.
ORACLE_SID specifies the global database name.

C.
ORACLE_BASE specifies the root of the Oracle Database directory tree in all platforms.

D.
ORACLE_BASE specifies the root of the Oracle Database directory tree only in UNIX and Linux
platforms.

E.
ORACLE_HOME specifies the directory containing the Oracle software executables and
network files.

F.
ORACLE_HOME specifies the directory containing only the Oracle software executables, but
not the network files.