Which four types of agents are supported by Oracle Audit Vault for Oracle databases?

Which four types of agents are supported by Oracle Audit Vault for Oracle databases?

A.
Redo

B.
Database audit files

C.
Oracle audit trail from OS

D.
Operating system SYSLOG flies

E.
ODBC audit files

Explanation:
Audit Vault supports redo, database and operating system based auditing for the Oracle database.