Which two steps should you perform before executing thi…

Your single-instance Oracle 12c database home currently supports conventional auditing and uses Automatic
Storage Management (ASM). You want to enable unified auditing by executing the command:
$ make –f ins_rdbms.mk uniaud_on ioracle ORACLE_HOME=$ORACLE_HOME
Which two steps should you perform before executing this command?

A.
Ensure that the initialization parameter AUDIT_TRAIL is set to DB.

B.
Drop any existing fine-grained audit (FGA) policies.

C.
Stop the listener.

D.
Shit down the database instance.

E.
Disable auditing by setting the initialization parameter AUDIT_TRAIL to NONE.

Explanation:
https://blogs.oracle.com/UPGRADE/entry/unified_auditing_is_it_on