Which two activities are supported on the storage servers in the Database Machine?

Which two activities are supported on the storage servers in the Database Machine?

A.
Installing an alternative package manager

B.
configuring secure shell user equivalency for the callmonitor user

C.
changing root password

D.
upgrading the Storage Server software package using RPN

E.
upgrading a device driver for hard disks when inserting a replacement disk after a hard disk
failure

Explanation:
D:What Oracle Solaris Brings to Oracle Exadata Database Machine
Simplified, improved updates—Oracle Solaris 11 uses the new Image Package System (IPS),
which is a network-based package management that provides a framework for complete software
lifecycle management such as installation, upgrade and removal of software packages