What are the two ways to use the administration tool?

What are the two ways to use the administration tool?

A.
It can be used to manage user password.

B.
The administration tool uses a set of wizards that support the design of calculations,
expressions, dimensions, and so on.

C.
It can be used for versioning of the rpd.

D.
Administrator can use repository and session variables in a repository to streamline
administrative tasks and dynamically modify metadata content to adjust to a changing data
environment.

Explanation:
Note: The Administration tool is used to manage OBIEE server and have some capabilities to
automate some repetitive tasks and principally his embedded tools.
Oracle Business Intelligence Administration Tool is available only for Windows operating systems.
The Administration Tool is a Windows application that allows the BI Server administrator to create
and edit repositories.
Repositories can be edited with the administration tool in either online or offline mode.
The Administration Tool also includes a session manager and a cache manager which are
available in online mode. The Cache Manager displays what queries have been cached and how
frequently they have been accessed. You can also select and delete items