フリー問題

問題文

A newly created database already produces audit records for failed logon attempts although nobody has defined a policy yet. Which statement explains that?

選択肢

1. The audit trail parameter defaults to a value that records the failures.
2. Two predefined policies are enabled when the database is created.
3. Every statement is audited until an administrator narrows the scope with a policy of their own.
4. The listener writes the failures into its own log file.