Which three functions can the opc user perform?

You created a Database as a Service (DBaaS) instance. This action also created a virtual
machine and configured it for the DBaaS instance. It also created two user accounts. One
of the users is opc.
Which three functions can the opc user perform?

A.
dropping the database instance

B.
any root-user operation

C.
database tuning

D.
database backup and recovery

E.
administrative operations in the virtual machine

F.
operations that requires root-user access

Explanation:
Opcis the system administrator account you use to connect to the compute node using
SSH. This user can use the sudo command to perform operations that require root-user
access.
Connect as the user opc to perform operations that require root access to thecompute
node, such as backing up or patching; this user can use the sudocommand to gain root

access to the compute node.