What are the three benefits of the Applications Context file?

What are the three benefits of the Applications Context file? (Choose three.)

A.
It enables you to synchronize multiple nodes.

B.
It avoids the need for repeated configuration information.

C.
The database environment is readily described in a single file.

D.
Configuration information is represented in a platform-dependent format.

E.
It supports shared APPL_TOP (single APPL_TOP distributed to multiple machines).