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:
Opc is 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 the compute node, such as backing up or patching; this user can use the sudo command

to gain root access to the compute node.
Incorrect Answers:
B: The root user is the root administrator for the system. You do not have direct access to this account. To perform operations that require root-user access, use the
sudo command as the opc user.
https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/linux-user-accounts-rac.html
Using Oracle Database Cloud Service (February 2017), page 5-3
https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/using-oracle-database-cloud-service.pdf